aboutsummaryrefslogtreecommitdiffstats
path: root/lib/public_key
diff options
context:
space:
mode:
Diffstat (limited to 'lib/public_key')
-rw-r--r--lib/public_key/doc/src/cert_records.xml265
-rw-r--r--lib/public_key/doc/src/introduction.xml23
-rw-r--r--lib/public_key/doc/src/part.xml9
-rw-r--r--lib/public_key/doc/src/public_key.xml505
-rw-r--r--lib/public_key/doc/src/public_key_records.xml40
-rw-r--r--lib/public_key/doc/src/records.xml47
-rw-r--r--lib/public_key/doc/src/ref_man.xml4
-rw-r--r--lib/public_key/doc/src/using_public_key.xml221
8 files changed, 643 insertions, 471 deletions
diff --git a/lib/public_key/doc/src/cert_records.xml b/lib/public_key/doc/src/cert_records.xml
index 857a39bf40..4d4533fe21 100644
--- a/lib/public_key/doc/src/cert_records.xml
+++ b/lib/public_key/doc/src/cert_records.xml
@@ -23,7 +23,7 @@
The Initial Developer of the Original Code is Ericsson AB.
</legalnotice>
- <title>Certificate records</title>
+ <title>Certificate Records</title>
<prepared>Ingela Anderton Andin</prepared>
<responsible></responsible>
<docno></docno>
@@ -34,66 +34,81 @@
<file>cert_records.xml</file>
</header>
- <p>This chapter briefly describes erlang records derived from ASN1
- specifications used to handle <c> X509 certificates</c> and <c>CertificationRequest</c>.
- The intent is to describe the data types
-and not to specify the semantics of each component. For information on the
-semantics, please see <url
+ <p>This section briefly describes Erlang records derived from ASN.1
+ specifications used to handle <c>X509 certificates</c> and <c>CertificationRequest</c>.
+ The scope is to describe the data types of each component,
+ not the semantics. For information on the semantics, refer to <url
href="http://www.ietf.org/rfc/rfc5280.txt">RFC 5280</url> and
<url href="http://www.ietf.org/rfc/rfc5967.txt">PKCS-10</url>.
</p>
<p>Use the following include directive to get access to the
- records and constant macros (OIDs) described in the following sections.</p>
+ records and constant macros (OIDs) described in the following sections:</p>
<code> -include_lib("public_key/include/public_key.hrl"). </code>
- <p>The used ASN1 specifications are available <c>asn1</c> subdirectory
- of the application <c>public_key</c>.
- </p>
+ <p>The used ASN.1 specifications are available in the <c>asn1</c> subdirectory
+ of the <c>public_key</c> application.</p>
<section>
<title>Common Data Types</title>
- <p>Common non standard erlang
- data types used to described the record fields in the
- below sections are defined in <seealso
- marker="public_key">public key reference manual </seealso> or
- follows here.</p>
-
- <p><c>time() = uct_time() | general_time()</c></p>
-
- <p><c>uct_time() = {utcTime, "YYMMDDHHMMSSZ"} </c></p>
-
- <p><c>general_time() = {generalTime, "YYYYMMDDHHMMSSZ"} </c></p>
-
- <p><c>
- general_name() = {rfc822Name, string()} | {dNSName, string()}
- | {x400Address, string()} | {directoryName,
- {rdnSequence, [#AttributeTypeAndValue'{}]}} |
- | {eidPartyName, special_string()}
- | {eidPartyName, special_string(), special_string()}
- | {uniformResourceIdentifier, string()} | {ipAddress, string()} |
- {registeredId, oid()} | {otherName, term()}
- </c></p>
+ <p>Common non-standard Erlang
+ data types used to describe the record fields in the
+ following sections are defined in the <c>public_key</c> <seealso
+ marker="public_key">Reference Manual</seealso>, or
+ follows here:</p>
- <p><c>
- special_string() =
- {teletexString, string()} | {printableString, string()} |
- {universalString, string()} | {utf8String, binary()} |
- {bmpString, string()}
- </c></p>
-
- <p><c>
- dist_reason() = unused | keyCompromise | cACompromise |
- affiliationChanged | superseded | cessationOfOperation |
- certificateHold | privilegeWithdrawn |
- aACompromise
- </c></p>
+ <taglist>
+ <tag><c>time()</c></tag>
+ <item><p>= <c>uct_time() | general_time()</c></p></item>
+
+ <tag><c>uct_time()</c></tag>
+ <item><p>= <c>{utcTime, "YYMMDDHHMMSSZ"}</c></p></item>
+
+ <tag><c>general_time()</c></tag>
+ <item><p>= <c>{generalTime, "YYYYMMDDHHMMSSZ"}</c></p></item>
+
+ <tag><c>general_name()</c></tag>
+ <item>= <p><c>{rfc822Name, string()}</c></p>
+ <p><c>| {dNSName, string()}</c></p>
+ <p><c>| {x400Address, string()}</c></p>
+ <p><c>| {directoryName, {rdnSequence, [#AttributeTypeAndValue'{}]}}</c></p>
+ <p><c>| {eidPartyName, special_string()}</c></p>
+ <p><c>| {eidPartyName, special_string(), special_string()}</c></p>
+ <p><c>| {uniformResourceIdentifier, string()}</c></p>
+ <p><c>| {ipAddress, string()}</c></p>
+ <p><c>| {registeredId, oid()}</c></p>
+ <p><c>| {otherName, term()}</c></p>
+ </item>
+
+ <tag><c>special_string()</c></tag>
+ <item>= <p><c>{teletexString, string()}</c></p>
+ <p><c>| {printableString, string()}</c></p>
+ <p><c>| {universalString, string()}</c></p>
+ <p><c>| {utf8String, binary()}</c></p>
+ <p><c>| {bmpString, string()}</c></p>
+ </item>
+
+ <tag><c>dist_reason()</c></tag>
+ <item>= <p><c>unused</c></p>
+ <p><c>| keyCompromise</c></p>
+ <p><c>| cACompromise</c></p>
+ <p><c>| affiliationChanged</c></p>
+ <p><c>| superseded</c></p>
+ <p><c>| cessationOfOperation</c></p>
+ <p><c>| certificateHold</c></p>
+ <p><c>| privilegeWithdrawn</c></p>
+ <p><c>| aACompromise</c></p>
+ </item>
+ </taglist>
+
</section>
<section>
- <title> PKIX Certificates</title>
+ <title>PKIX Certificates</title>
+ <p>Erlang representation of PKIX certificates derived from ASN.1
+ specifications and RFC 5280 are as follows:</p>
<code>
#'Certificate'{
tbsCertificate, % #'TBSCertificate'{}
@@ -117,8 +132,7 @@ semantics, please see <url
#'AlgorithmIdentifier'{
algorithm, % oid()
parameters % der_encoded()
- }.
-</code>
+ }.</code>
<code>
#'OTPCertificate'{
@@ -143,20 +157,20 @@ semantics, please see <url
#'SignatureAlgorithm'{
algorithm, % id_signature_algorithm()
parameters % asn1_novalue | #'Dss-Parms'{}
- }.
-</code>
+ }.</code>
-<p><c> id_signature_algorithm() = ?oid_name_as_erlang_atom</c> for available
-oid names see table below. Ex: ?'id-dsa-with-sha1'</p>
+<p>Here, <c>id_signature_algorithm()</c> = ?OID name, for available OID names, for example
+<c>?id-dsa-with-sha1</c>. That is, by prepending "?" to the OID name, represented as an Erlang atom.</p>
+<p>The available OID names are as follows:</p>
<table>
<row>
- <cell align="left" valign="middle">OID name</cell>
+ <cell align="left" valign="middle"><em>OID Name</em></cell>
</row>
<row>
<cell align="left" valign="middle">id-dsa-with-sha1</cell>
</row>
<row>
- <cell align="left" valign="middle">id-dsaWithSHA1 (ISO alt oid to above)</cell>
+ <cell align="left" valign="middle">id-dsaWithSHA1 (ISO or OID to above)</cell>
</row>
<row>
<cell align="left" valign="middle">md2WithRSAEncryption</cell>
@@ -168,7 +182,7 @@ oid names see table below. Ex: ?'id-dsa-with-sha1'</p>
<cell align="left" valign="middle">sha1WithRSAEncryption</cell>
</row>
<row>
- <cell align="left" valign="middle">sha-1WithRSAEncryption (ISO alt oid to above)</cell>
+ <cell align="left" valign="middle">sha-1WithRSAEncryption (ISO or OID to above)</cell>
</row>
<row>
<cell align="left" valign="middle">sha224WithRSAEncryption</cell>
@@ -182,21 +196,24 @@ oid names see table below. Ex: ?'id-dsa-with-sha1'</p>
<row>
<cell align="left" valign="middle">ecdsa-with-SHA1</cell>
</row>
- <tcaption>Signature algorithm oids </tcaption>
+ <tcaption>Signature Algorithm OIDs </tcaption>
</table>
+<p>The data type <c>'AttributeTypeAndValue'</c>, is represented as
+ the following erlang record:</p>
+
<code>
#'AttributeTypeAndValue'{
type, % id_attributes()
value % term()
- }.
-</code>
+ }.</code>
-<p><c>id_attributes() </c></p>
+<p>The attribute OID name atoms and their corresponding value types
+are as follows:</p>
<table>
<row>
- <cell align="left" valign="middle">OID name</cell>
- <cell align="left" valign="middle">Value type</cell>
+ <cell align="left" valign="middle"><em>OID Name</em></cell>
+ <cell align="left" valign="middle"><em>Value Type</em></cell>
</row>
<row>
<cell align="left" valign="middle">id-at-name</cell>
@@ -254,9 +271,12 @@ oid names see table below. Ex: ?'id-dsa-with-sha1'</p>
<cell align="left" valign="middle">id-at-pseudonym</cell>
<cell align="left" valign="middle">special_string()</cell>
</row>
- <tcaption>Attribute oids </tcaption>
+ <tcaption>Attribute OIDs</tcaption>
</table>
+<p>The data types <c>'Validity'</c>, <c>'SubjectPublicKeyInfo'</c>, and
+<c>'SubjectPublicKeyInfoAlgorithm'</c> are represented as the following Erlang records:</p>
+
<code>
#'Validity'{
notBefore, % time()
@@ -271,13 +291,12 @@ oid names see table below. Ex: ?'id-dsa-with-sha1'</p>
#'SubjectPublicKeyInfoAlgorithm'{
algorithm, % id_public_key_algorithm()
parameters % public_key_params()
- }.
-</code>
+ }.</code>
-<p><c> id_public_key_algorithm() </c></p>
+<p>The public-key algorithm OID name atoms are as follows:</p>
<table>
<row>
- <cell align="left" valign="middle">OID name</cell>
+ <cell align="left" valign="middle"><em>OID Name</em></cell>
</row>
<row>
<cell align="left" valign="middle">rsaEncryption</cell>
@@ -294,7 +313,7 @@ oid names see table below. Ex: ?'id-dsa-with-sha1'</p>
<row>
<cell align="left" valign="middle">id-ecPublicKey</cell>
</row>
- <tcaption>Public key algorithm oids </tcaption>
+ <tcaption>Public-Key Algorithm OIDs</tcaption>
</table>
<code>
@@ -302,8 +321,7 @@ oid names see table below. Ex: ?'id-dsa-with-sha1'</p>
extnID, % id_extensions() | oid()
critical, % boolean()
extnValue % der_encoded()
- }.
-</code>
+ }.</code>
<p><c>id_extensions()</c>
<seealso marker="#StdCertExt">Standard Certificate Extensions</seealso>,
@@ -316,12 +334,15 @@ oid names see table below. Ex: ?'id-dsa-with-sha1'</p>
<section>
<marker id="StdCertExt"></marker>
- <title>Standard certificate extensions</title>
-
+ <title>Standard Certificate Extensions</title>
+
+ <p>The standard certificate extensions OID name atoms and their
+ corresponding value types are as follows:</p>
+
<table>
<row>
- <cell align="left" valign="middle">OID name</cell>
- <cell align="left" valign="middle">Value type</cell>
+ <cell align="left" valign="middle"><em>OID Name</em></cell>
+ <cell align="left" valign="middle"><em>Value Type</em></cell>
</row>
<row>
<cell align="left" valign="middle">id-ce-authorityKeyIdentifier</cell>
@@ -333,7 +354,7 @@ oid names see table below. Ex: ?'id-dsa-with-sha1'</p>
</row>
<row>
<cell align="left" valign="middle">id-ce-keyUsage</cell>
- <cell align="left" valign="middle"> [key_usage()]</cell>
+ <cell align="left" valign="middle">[key_usage()]</cell>
</row>
<row>
<cell align="left" valign="middle">id-ce-privateKeyUsagePeriod</cell>
@@ -400,17 +421,26 @@ oid names see table below. Ex: ?'id-dsa-with-sha1'</p>
<tcaption>Standard Certificate Extensions</tcaption>
</table>
- <p><c>
- key_usage() = digitalSignature | nonRepudiation | keyEncipherment|
- dataEncipherment | keyAgreement | keyCertSign | cRLSign | encipherOnly |
- decipherOnly
- </c></p>
+ <p>Here:</p>
+ <taglist>
+ <tag><c>key_usage()</c></tag>
+ <item>= <p><c>digitalSignature</c></p>
+ <p><c>| nonRepudiation</c></p>
+ <p><c>| keyEncipherment</c></p>
+ <p><c>| dataEncipherment</c></p>
+ <p><c>| keyAgreement</c></p>
+ <p><c>| keyCertSign</c></p>
+ <p><c>| cRLSign</c></p>
+ <p><c>| encipherOnly</c></p>
+ <p><c>| decipherOnly </c></p>
+ </item>
+ </taglist>
- <p><c> id_key_purpose()</c></p>
+ <p>And for <c>id_key_purpose()</c>:</p>
<table>
<row>
- <cell align="left" valign="middle">OID name</cell>
+ <cell align="left" valign="middle"><em>OID Name</em></cell>
</row>
<row>
<cell align="left" valign="middle">id-kp-serverAuth</cell>
@@ -430,7 +460,7 @@ oid names see table below. Ex: ?'id-dsa-with-sha1'</p>
<row>
<cell align="left" valign="middle">id-kp-OCSPSigning</cell>
</row>
- <tcaption>Key purpose oids </tcaption>
+ <tcaption>Key Purpose OIDs</tcaption>
</table>
<code>
@@ -501,8 +531,7 @@ oid names see table below. Ex: ?'id-dsa-with-sha1'</p>
[#AttributeTypeAndValue{}]}
reasons, % [dist_reason()]
cRLIssuer % [general_name()]
- }).
-</code>
+ }).</code>
</section>
@@ -510,10 +539,13 @@ oid names see table below. Ex: ?'id-dsa-with-sha1'</p>
<marker id="PrivIntExt"></marker>
<title>Private Internet Extensions</title>
+ <p>The private internet extensions OID name atoms and their corresponding value
+ types are as follows:</p>
+
<table>
<row>
- <cell align="left" valign="middle">OID name</cell>
- <cell align="left" valign="middle">Value type</cell>
+ <cell align="left" valign="middle"><em>OID Name</em></cell>
+ <cell align="left" valign="middle"><em>Value Type</em></cell>
</row>
<row>
<cell align="left" valign="middle">id-pe-authorityInfoAccess</cell>
@@ -530,13 +562,15 @@ oid names see table below. Ex: ?'id-dsa-with-sha1'</p>
#'AccessDescription'{
accessMethod, % oid()
accessLocation % general_name()
- }).
-</code>
+ }).</code>
</section>
<section>
- <title> CRL and CRL Extensions Profile</title>
+ <title>CRL and CRL Extensions Profile</title>
+
+ <p>Erlang representation of CRL and CRL extensions profile
+ derived from ASN.1 specifications and RFC 5280 are as follows:</p>
<code>
#'CertificateList'{
@@ -559,17 +593,19 @@ oid names see table below. Ex: ?'id-dsa-with-sha1'</p>
userCertificate, % integer()
revocationDate, % timer()
crlEntryExtensions % [#'Extension'{}]
- }).
- </code>
+ }).</code>
<section>
<marker id="CRLCertExt"></marker>
- <title>CRL Extensions </title>
+ <title>CRL Extensions</title>
+
+ <p>The CRL extensions OID name atoms and their corresponding value types are as follows:</p>
+
<table>
<row>
- <cell align="left" valign="middle">OID name</cell>
- <cell align="left" valign="middle">Value type</cell>
+ <cell align="left" valign="middle"><em>OID Name</em></cell>
+ <cell align="left" valign="middle"><em>Value Type</em></cell>
</row>
<row>
<cell align="left" valign="middle">id-ce-authorityKeyIdentifier</cell>
@@ -599,6 +635,9 @@ oid names see table below. Ex: ?'id-dsa-with-sha1'</p>
<tcaption>CRL Extensions</tcaption>
</table>
+ <p>Here, the data type <c>'IssuingDistributionPoint'</c> is represented as
+ the following Erlang record:</p>
+
<code>
#'IssuingDistributionPoint'{
distributionPoint, % {fullName, [general_name()]} | {nameRelativeToCRLIssuer,
@@ -608,18 +647,19 @@ oid names see table below. Ex: ?'id-dsa-with-sha1'</p>
onlySomeReasons, % [dist_reason()]
indirectCRL, % boolean()
onlyContainsAttributeCerts % boolean()
- }).
- </code>
+ }).</code>
</section>
<section>
<marker id="CRLEntryExt"></marker>
- <title> CRL Entry Extensions </title>
+ <title>CRL Entry Extensions</title>
+
+ <p>The CRL entry extensions OID name atoms and their corresponding value types are as follows:</p>
<table>
<row>
- <cell align="left" valign="middle">OID name</cell>
- <cell align="left" valign="middle">Value type</cell>
+ <cell align="left" valign="middle"><em>OID Name</em></cell>
+ <cell align="left" valign="middle"><em>Value Type</em></cell>
</row>
<row>
<cell align="left" valign="middle">id-ce-cRLReason</cell>
@@ -639,17 +679,31 @@ oid names see table below. Ex: ?'id-dsa-with-sha1'</p>
</row>
<tcaption>CRL Entry Extensions</tcaption>
</table>
- <p><c>
- crl_reason() = unspecified | keyCompromise | cACompromise |
- affiliationChanged | superseded | cessationOfOperation |
- certificateHold | removeFromCRL | privilegeWithdrawn |
- aACompromise
- </c></p>
+
+
+ <p>Here:</p>
+ <taglist>
+ <tag><c>crl_reason()</c></tag>
+ <item>= <p><c>unspecified</c>c></p>
+ <p><c>| keyCompromise</c></p>
+ <p><c>| cACompromise</c></p>
+ <p><c>| affiliationChanged</c></p>
+ <p><c>| superseded</c></p>
+ <p><c>| cessationOfOperation</c></p>
+ <p><c>| certificateHold</c></p>
+ <p><c>| removeFromCRL</c></p>
+ <p><c>| privilegeWithdrawn</c></p>
+ <p><c>| aACompromise</c></p>
+ </item>
+ </taglist>
+
</section>
<section>
<marker id="PKCS10"></marker>
<title>PKCS#10 Certification Request</title>
+ <p>Erlang representation of a PKCS#10 certification request
+ derived from ASN.1 specifications and RFC 5280 are as follows:</p>
<code>
#'CertificationRequest'{
certificationRequestInfo #'CertificationRequestInfo'{},
@@ -682,8 +736,7 @@ oid names see table below. Ex: ?'id-dsa-with-sha1'</p>
#'AttributePKCS-10'{
type = oid(),
values = [der_encoded()]
-}
- </code>
+} </code>
</section>
</section>
diff --git a/lib/public_key/doc/src/introduction.xml b/lib/public_key/doc/src/introduction.xml
index bf11a092d8..17f4e5155a 100644
--- a/lib/public_key/doc/src/introduction.xml
+++ b/lib/public_key/doc/src/introduction.xml
@@ -36,27 +36,28 @@
<section>
<title>Purpose</title>
- <p> public_key deals with public key related file formats, digital
- signatures and <url href="http://www.ietf.org/rfc/rfc5280.txt">
+ <p>The <c>public_key</c> application deals with public-key related file
+ formats, digital signatures, and <url href="http://www.ietf.org/rfc/rfc5280.txt">
X-509 certificates</url>. It is a library application that
- provides encode/decode, sign/verify, encrypt/decrypt and similar
- functionality, it does not read or write files it expects or returns
+ provides encode/decode, sign/verify, encrypt/decrypt, and similar
+ functionality. It does not read or write files, it expects or returns
file contents or partial file contents as binaries.
</p>
</section>
<section>
<title>Prerequisites</title>
- <p>It is assumed that the reader has a basic understanding
- of the concepts of using public keys and digital certificates.</p>
+ <p>It is assumed that the reader is familiar with the Erlang programming
+ language and has a basic understanding of the concepts of using public-keys
+ and digital certificates.</p>
</section>
<section>
- <title>Performance tips</title>
- <p>The public_key decode and encode functions will try to use the NIFs
- which are in the ASN1 compilers runtime modules if they can be found.
- So for the best performance you want to have the ASN1 application in the
- path of your system. </p>
+ <title>Performance Tips</title>
+ <p>The <c>public_key</c> decode- and encode-functions try to use the NIFs
+ in the <c>ASN.1</c> compilers runtime modules, if they can be found.
+ Thus, to have the <c>ASN.1</c> application in the
+ path of your system gives the best performance.</p>
</section>
</chapter>
diff --git a/lib/public_key/doc/src/part.xml b/lib/public_key/doc/src/part.xml
index 73146c8e2a..d3cc9303bd 100644
--- a/lib/public_key/doc/src/part.xml
+++ b/lib/public_key/doc/src/part.xml
@@ -31,15 +31,14 @@
<file>part.xml</file>
</header>
<description>
- <p> This application provides an API to public key infrastructure
+ <p>This application provides an API to public-key infrastructure
from <url href="http://www.ietf.org/rfc/rfc5280.txt">RFC
- 5280</url> (X.509 certificates) and public key formats defined by
+ 5280</url> (X.509 certificates) and public-key formats defined by
the <url href="http://en.wikipedia.org/wiki/PKCS">
- PKCS-standard</url></p>
+ PKCS</url> standard.</p>
</description>
<xi:include href="introduction.xml"/>
- <xi:include href="public_key_records.xml"/>
- <xi:include href="cert_records.xml"/>
+ <xi:include href="records.xml"/>
<xi:include href="using_public_key.xml"/>
</part>
diff --git a/lib/public_key/doc/src/public_key.xml b/lib/public_key/doc/src/public_key.xml
index b86d0fe0ab..ddaa8c2530 100644
--- a/lib/public_key/doc/src/public_key.xml
+++ b/lib/public_key/doc/src/public_key.xml
@@ -31,11 +31,11 @@
<rev></rev>
</header>
<module>public_key</module>
- <modulesummary> API module for public key infrastructure.</modulesummary>
+ <modulesummary>API module for public-key infrastructure.</modulesummary>
<description>
- <p>This module provides functions to handle public key infrastructure. It can
- encode/decode different file formats (PEM, openssh), sign and verify digital signatures and validate
- certificate paths and certificate revocation lists.
+ <p>This module provides functions to handle public-key infrastructure. It can
+ encode/decode different file formats (PEM, OpenSSH), sign and verify digital signatures,
+ and validate certificate paths and certificate revocation lists.
</p>
</description>
@@ -43,94 +43,152 @@
<title>public_key</title>
<list type="bulleted">
- <item>public_key requires the crypto and asn1 applications, the latter since R16 (hopefully the runtime dependency on asn1 will
- be removed again in the future).</item>
+ <item><c>public_key</c> requires the <c>crypto</c> and <c>ASN.1</c> applications,
+ the latter as OTP R16 (hopefully the runtime dependency on <c>ASN.1</c> will
+ be removed again in the future).</item>
<item>Supports <url href="http://www.ietf.org/rfc/rfc5280.txt">RFC 5280 </url> -
- Internet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile </item>
- <item>Supports <url href="http://www.ietf.org/rfc/rfc3447.txt"> PKCS-1 </url> - RSA Cryptography Standard </item>
- <item>Supports <url href="http://csrc.nist.gov/publications/fips/fips186-3/fips_186-3.pdf"> DSS</url>- Digital Signature Standard (DSA - Digital Signature Algorithm)</item>
- <item>Supports <url href="http://www.emc.com/emc-plus/rsa-labs/standards-initiatives/pkcs-3-diffie-hellman-key-agreement-standar.htm"> PKCS-3 </url> - Diffie-Hellman Key Agreement Standard </item>
- <item>Supports <url href="http://www.ietf.org/rfc/rfc2898.txt"> PKCS-5</url> - Password-Based Cryptography Standard </item>
- <item>Supports <url href="http://www.ietf.org/rfc/rfc5208.txt"> PKCS-8</url> - Private-Key Information Syntax Standard</item>
- <item>Supports <url href="http://www.ietf.org/rfc/rfc5967.txt"> PKCS-10</url> - Certification Request Syntax Standard</item>
+ Internet X.509 Public-Key Infrastructure Certificate and Certificate Revocation List
+ (CRL) Profile </item>
+ <item>Supports <url href="http://www.ietf.org/rfc/rfc3447.txt"> PKCS-1 </url> -
+ RSA Cryptography Standard </item>
+ <item>Supports <url href="http://csrc.nist.gov/publications/fips/fips186-3/fips_186-3.pdf"> DSS</url> -
+ Digital Signature Standard (DSA - Digital Signature Algorithm)</item>
+ <item>Supports
+ <url href="http://www.emc.com/emc-plus/rsa-labs/standards-initiatives/pkcs-3-diffie-hellman-key-agreement-standar.htm"> PKCS-3 </url> -
+ Diffie-Hellman Key Agreement Standard </item>
+ <item>Supports <url href="http://www.ietf.org/rfc/rfc2898.txt"> PKCS-5</url> -
+ Password-Based Cryptography Standard </item>
+ <item>Supports <url href="http://www.ietf.org/rfc/rfc5208.txt"> PKCS-8</url> -
+ Private-Key Information Syntax Standard</item>
+ <item>Supports <url href="http://www.ietf.org/rfc/rfc5967.txt"> PKCS-10</url> -
+ Certification Request Syntax Standard</item>
</list>
</section>
<section>
- <title>COMMON DATA TYPES </title>
+ <title>DATA TYPES</title>
- <note><p>All records used in this manual
+ <note><p>All records used in this Reference Manual
<!-- except #policy_tree_node{} -->
are generated from ASN.1 specifications
and are documented in the User's Guide. See <seealso
- marker="public_key_records">Public key records</seealso> and <seealso
- marker="cert_records">X.509 Certificate records</seealso>.
+ marker="public_key_records">Public-key Records</seealso> and <seealso
+ marker="cert_records">X.509 Certificate Records</seealso>.
</p></note>
<p>Use the following include directive to get access to the
- records and constant macros described here and in the User's Guide.</p>
+ records and constant macros described here and in the User's Guide:</p>
<code> -include_lib("public_key/include/public_key.hrl").</code>
- <p><em>Data Types </em></p>
-
- <p><code>oid() - Object Identifier, a tuple of integers as generated by the ASN1 compiler.</code></p>
-
- <p><code>boolean() = true | false</code></p>
-
- <p><code>string() = [bytes()]</code></p>
-
- <p><code>der_encoded() = binary()</code></p>
-
- <p><code>pki_asn1_type() = 'Certificate' | 'RSAPrivateKey'| 'RSAPublicKey' |
- 'DSAPrivateKey' | 'DSAPublicKey' | 'DHParameter' |
- 'SubjectPublicKeyInfo' | 'PrivateKeyInfo' |
- 'CertificationRequest' | 'ECPrivateKey' | 'EcpkParameters'</code></p>
-
- <p><code>pem_entry () = {pki_asn1_type(), binary(), %% DER or encrypted DER
- not_encrypted | cipher_info()}</code></p>
-
- <p><code>cipher_info() = {"RC2-CBC | "DES-CBC" | "DES-EDE3-CBC",
- crypto:rand_bytes(8) | {#'PBEParameter{}, digest_type()} |#'PBES2-params'{}}</code></p>
-
- <p><code>public_key() = rsa_public_key() | dsa_public_key() | ec_public_key()</code></p>
- <p><code>private_key() = rsa_private_key() | dsa_private_key() | ec_private_key()</code></p>
- <p><code>rsa_public_key() = #'RSAPublicKey'{}</code></p>
-
- <p><code>rsa_private_key() = #'RSAPrivateKey'{}</code></p>
-
- <p><code>dsa_public_key() = {integer(), #'Dss-Parms'{}}</code></p>
-
- <p><code>dsa_private_key() = #'DSAPrivateKey'{}</code></p>
-
- <p><code>ec_public_key() = {#'ECPoint'{}, #'EcpkParameters'{} |
- {namedCurve, oid()}}</code></p>
-
- <p><code>ec_private_key() = #'ECPrivateKey'{}</code></p>
-
- <p><code>public_crypt_options() = [{rsa_pad, rsa_padding()}].</code></p>
-
- <p><code>rsa_padding() = 'rsa_pkcs1_padding' | 'rsa_pkcs1_oaep_padding' |
- 'rsa_no_padding'</code></p>
+ <p>The following data types are used in the functions for <c>public_key</c>:</p>
- <p><code>digest_type() - Union of below digest types</code></p>
+ <taglist>
+ <tag><c>oid()</c></tag>
+ <item><p>Object identifier, a tuple of integers as generated by the <c>ASN.1</c> compiler.</p></item>
+
+ <tag><c>boolean()</c></tag>
+ <item><p>= <c>true | false</c></p></item>
+
+ <tag><c>string()</c></tag>
+ <item><p>= <c>[bytes()]</c></p></item>
+
+ <tag><c>der_encoded()</c></tag>
+ <item><p>= <c>binary()</c></p></item>
+
+ <tag><c>pki_asn1_type()</c></tag>
+ <item>= <p><c>'Certificate'</c></p>
+ <p><c>| 'RSAPrivateKey'</c></p>
+ <p><c>| 'RSAPublicKey'</c></p>
+ <p><c>| 'DSAPrivateKey'</c></p>
+ <p><c>| 'DSAPublicKey'</c></p>
+ <p><c>| 'DHParameter'</c></p>
+ <p><c>| 'SubjectPublicKeyInfo'</c></p>
+ <p><c>| 'PrivateKeyInfo'</c></p>
+ <p><c>| 'CertificationRequest'</c></p>
+ <p><c>| 'ECPrivateKey'</c></p>
+ <p><c>| 'EcpkParameters'</c></p></item>
+
+ <tag><c>pem_entry ()</c></tag>
+ <item><p>= <c>{pki_asn1_type(), binary(), %% DER or encrypted DER not_encrypted</c></p>
+ <p><c>| cipher_info()}</c></p></item>
+
+ <tag><c>cipher_info()</c></tag>
+ <item><p>= <c>{"RC2-CBC" | "DES-CBC" | "DES-EDE3-CBC", crypto:rand_bytes(8)</c></p>
+ <p><c>| {#'PBEParameter{}, digest_type()} | #'PBES2-params'{}}</c></p>
+ </item>
+
+ <tag><c>public_key()</c></tag>
+ <item><p>= <c>rsa_public_key() | dsa_public_key() | ec_public_key()</c></p></item>
+
+ <tag><c>private_key()</c></tag>
+ <item><p>= <c>rsa_private_key() | dsa_private_key() | ec_private_key()</c></p></item>
+
+ <tag><c>rsa_public_key()</c></tag>
+ <item><p>= <c>#'RSAPublicKey'{}</c></p></item>
+
+ <tag><c>rsa_private_key()</c></tag>
+ <item><p>= <c>#'RSAPrivateKey'{}</c></p></item>
+
+ <tag><c>dsa_public_key()</c></tag>
+ <item><p>= <c>{integer(), #'Dss-Parms'{}}</c></p></item>
+
+ <tag><c>dsa_private_key()</c></tag>
+ <item><p>= <c>#'DSAPrivateKey'{}</c></p></item>
+
+ <tag><c>ec_public_key()</c></tag>
+ <item><p>= <c>{#'ECPoint'{}, #'EcpkParameters'{} | {namedCurve, oid()}}</c></p></item>
+
+ <tag><c>ec_private_key()</c></tag>
+ <item><p>= <c>#'ECPrivateKey'{}</c></p></item>
+
+ <tag><c>public_crypt_options()</c></tag>
+ <item><p>= <c>[{rsa_pad, rsa_padding()}]</c></p></item>
+
+ <tag><c>rsa_padding()</c></tag>
+ <item><p>= <c>'rsa_pkcs1_padding'</c></p>
+ <p><c>| 'rsa_pkcs1_oaep_padding'</c></p>
+ <p><c>| 'rsa_no_padding'</c></p>
+ </item>
+
+ <tag><c>digest_type()</c></tag>
+ <item><p>Union of <c>rsa_digest_type()</c>, <c>dss_digest_type()</c>,
+ and <c>ecdsa_digest_type()</c>.</p></item>
+
+ <tag><c>rsa_digest_type()</c></tag>
+ <item><p>= <c>'md5' | 'sha' | 'sha224' | 'sha256' | 'sha384' | 'sha512'</c></p></item>
+
+ <tag><c>dss_digest_type()</c></tag>
+ <item><p>= <c>'sha'</c></p></item>
+
+ <tag><c>ecdsa_digest_type()</c></tag>
+ <item><p>= <c>'sha'| 'sha224' | 'sha256' | 'sha384' | 'sha512'</c></p></item>
+
+ <tag><c>crl_reason()</c></tag>
+ <item><p>= <c>unspecified</c></p>
+ <p><c>| keyCompromise</c></p>
+ <p><c>| cACompromise</c></p>
+ <p><c>| affiliationChanged</c></p>
+ <p><c>| superseded</c></p>
+ <p><c>| cessationOfOperation</c></p>
+ <p><c>| certificateHold</c></p>
+ <p><c>| privilegeWithdrawn</c></p>
+ <p><c>| aACompromise</c></p>
+ </item>
+
+ <tag><c>issuer_name()</c></tag>
+ <item><p>= <c>{rdnSequence,[#'AttributeTypeAndValue'{}]}</c></p>
+ </item>
+
+ <tag><c>ssh_file()</c></tag>
+ <item><p>= <c>openssh_public_key</c></p>
+ <p><c>| rfc4716_public_key</c></p>
+ <p><c>| known_hosts</c></p>
+ <p><c>| auth_keys</c></p>
+ </item>
+ </taglist>
- <p><code>rsa_digest_type() = 'md5' | 'sha' | 'sha224' | 'sha256' | 'sha384' |
- 'sha512'</code></p>
-
- <p><code>dss_digest_type() = 'sha'</code></p>
-
- <p><code>ecdsa_digest_type() = 'sha'| 'sha224' | 'sha256' | 'sha384' | 'sha512'</code></p>
-
- <p><code>crl_reason() = unspecified | keyCompromise | cACompromise |
- affiliationChanged | superseded | cessationOfOperation |
- certificateHold | privilegeWithdrawn | aACompromise</code></p>
-
- <p><code>issuer_name() = {rdnSequence,[#'AttributeTypeAndValue'{}]} </code> </p>
-
- <p><code>ssh_file() = openssh_public_key | rfc4716_public_key | known_hosts |
- auth_keys</code></p>
<!-- <p><code>policy_tree() = [Root, Children]</code></p> -->
@@ -138,12 +196,12 @@
<!-- <p><code>Children = [] | policy_tree()</code></p> -->
-<!-- <p> The policy_tree_node record has the following fields:</p> -->
+<!-- <p>The <c>policy_tree_node</c> record has the following fields:</p> -->
<!-- <taglist> -->
<!-- <tag>valid_policy</tag> -->
-<!-- <item> Is a single policy OID representing a -->
+<!-- <item>A single policy OID representing a -->
<!-- valid policy for the path of length x.</item> -->
<!-- <tag>qualifier_set</tag> -->
@@ -151,13 +209,13 @@
<!-- with the valid policy in certificate x.</item> -->
<!-- <tag>critically_indicator</tag> -->
-<!-- <item>The critically_indicator indicates whether the -->
+<!-- <item>Indicates whether the -->
<!-- certificate policy extension in certificate x was marked as -->
-<!-- critical. </item> -->
+<!-- critical.</item> -->
<!-- <tag>expected_policy_set</tag> -->
-<!-- <item>The expected_policy_set contains one or more policy OIDs -->
-<!-- that would satisfy this policy in the certificate x+1. </item> -->
+<!-- <item>Contains one or more policy OIDs -->
+<!-- that would satisfy this policy in the certificate x+1.</item> -->
<!-- </taglist> -->
</section>
@@ -166,27 +224,27 @@
<func>
<name>compute_key(OthersKey, MyKey)-></name>
<name>compute_key(OthersKey, MyKey, Params)-></name>
- <fsummary> Compute shared secret</fsummary>
+ <fsummary>Computes shared secret.</fsummary>
<type>
<v>OthersKey = #'ECPoint'{} | binary(), MyKey = #'ECPrivateKey'{} | binary()</v>
<v>Params = #'DHParameter'{}</v>
</type>
<desc>
- <p> Compute shared secret </p>
+ <p>Computes shared secret.</p>
</desc>
</func>
<func>
<name>decrypt_private(CipherText, Key) -> binary()</name>
<name>decrypt_private(CipherText, Key, Options) -> binary()</name>
- <fsummary>Public key decryption.</fsummary>
+ <fsummary>Public-key decryption.</fsummary>
<type>
<v>CipherText = binary()</v>
<v>Key = rsa_private_key()</v>
<v>Options = public_crypt_options()</v>
</type>
<desc>
- <p>Public key decryption using the private key. See also <seealso
+ <p>Public-key decryption using the private key. See also <seealso
marker="crypto:crypto#private_decrypt/4">crypto:private_decrypt/4</seealso></p>
</desc>
</func>
@@ -194,156 +252,156 @@
<func>
<name>decrypt_public(CipherText, Key) - > binary()</name>
<name>decrypt_public(CipherText, Key, Options) - > binary()</name>
- <fsummary></fsummary>
+ <fsummary>Public-key decryption.</fsummary>
<type>
<v>CipherText = binary()</v>
<v>Key = rsa_public_key()</v>
<v>Options = public_crypt_options()</v>
</type>
<desc>
- <p> Public key decryption using the public key. See also <seealso
+ <p>Public-key decryption using the public key. See also <seealso
marker="crypto:crypto#public_decrypt/4">crypto:public_decrypt/4</seealso></p>
</desc>
</func>
<func>
<name>der_decode(Asn1type, Der) -> term()</name>
- <fsummary> Decodes a public key ASN.1 DER encoded entity.</fsummary>
+ <fsummary>Decodes a public-key ASN.1 DER encoded entity.</fsummary>
<type>
<v>Asn1Type = atom()</v>
- <d> ASN.1 type present in the public_key applications
- asn1 specifications.</d>
+ <d>ASN.1 type present in the <c>public_key</c> applications
+ ASN.1 specifications.</d>
<v>Der = der_encoded()</v>
</type>
<desc>
- <p> Decodes a public key ASN.1 DER encoded entity.</p>
+ <p>Decodes a public-key ASN.1 DER encoded entity.</p>
</desc>
</func>
<func>
<name>der_encode(Asn1Type, Entity) -> der_encoded()</name>
- <fsummary> Encodes a public key entity with asn1 DER encoding.</fsummary>
+ <fsummary>Encodes a public-key entity with ASN.1 DER encoding.</fsummary>
<type>
<v>Asn1Type = atom()</v>
- <d> Asn1 type present in the public_key applications
+ <d>ASN.1 type present in the public_key applications
ASN.1 specifications.</d>
<v>Entity = term()</v>
- <d>The erlang representation of <c>Asn1Type</c></d>
+ <d>Erlang representation of <c>Asn1Type</c></d>
</type>
<desc>
- <p> Encodes a public key entity with ASN.1 DER encoding.</p>
+ <p>Encodes a public-key entity with ASN.1 DER encoding.</p>
</desc>
</func>
<func>
<name>generate_key(Params) -> {Public::binary(), Private::binary()} | #'ECPrivateKey'{} </name>
- <fsummary>Generates a new keypair</fsummary>
+ <fsummary>Generates a new keypair.</fsummary>
<type>
- <v> Params = #'DHParameter'{} | {namedCurve, oid()} | #'ECParameters'{} </v>
+ <v>Params = #'DHParameter'{} | {namedCurve, oid()} | #'ECParameters'{}</v>
</type>
<desc>
- <p>Generates a new keypair</p>
+ <p>Generates a new keypair.</p>
</desc>
</func>
<func>
<name>pem_decode(PemBin) -> [pem_entry()]</name>
- <fsummary>Decode PEM binary data and return
- entries as ASN.1 DER encoded entities. </fsummary>
+ <fsummary>Decodes PEM binary data and returns
+ entries as ASN.1 DER encoded entities.</fsummary>
<type>
<v>PemBin = binary()</v>
<d>Example {ok, PemBin} = file:read_file("cert.pem").</d>
</type>
<desc>
- <p>Decode PEM binary data and return
+ <p>Decodes PEM binary data and returns
entries as ASN.1 DER encoded entities.</p>
</desc>
</func>
<func>
<name>pem_encode(PemEntries) -> binary()</name>
- <fsummary>Creates a PEM binary</fsummary>
+ <fsummary>Creates a PEM binary.</fsummary>
<type>
<v> PemEntries = [pem_entry()] </v>
</type>
<desc>
- <p>Creates a PEM binary</p>
+ <p>Creates a PEM binary.</p>
</desc>
</func>
<func>
<name>pem_entry_decode(PemEntry) -> term()</name>
<name>pem_entry_decode(PemEntry, Password) -> term()</name>
- <fsummary>Decodes a pem entry.</fsummary>
+ <fsummary>Decodes a PEM entry.</fsummary>
<type>
- <v> PemEntry = pem_entry() </v>
- <v> Password = string() </v>
+ <v>PemEntry = pem_entry()</v>
+ <v>Password = string()</v>
</type>
<desc>
- <p>Decodes a PEM entry. pem_decode/1 returns a list of PEM
- entries. Note that if the PEM entry is of type
- 'SubjectPublickeyInfo' it will be further decoded to an
- rsa_public_key() or dsa_public_key().</p>
+ <p>Decodes a PEM entry. <c>pem_decode/1</c> returns a list of PEM
+ entries. Notice that if the PEM entry is of type
+ 'SubjectPublickeyInfo', it is further decoded to an
+ <c>rsa_public_key()</c> or <c>dsa_public_key()</c>.</p>
</desc>
</func>
<func>
<name>pem_entry_encode(Asn1Type, Entity) -> pem_entry()</name>
<name>pem_entry_encode(Asn1Type, Entity, {CipherInfo, Password}) -> pem_entry()</name>
- <fsummary> Creates a PEM entry that can be fed to pem_encode/1.</fsummary>
+ <fsummary>Creates a PEM entry that can be fed to <c>pem_encode/1</c>.</fsummary>
<type>
<v>Asn1Type = pki_asn1_type()</v>
<v>Entity = term()</v>
- <d>The Erlang representation of
- <c>Asn1Type</c>. If <c>Asn1Type</c> is 'SubjectPublicKeyInfo'
- then <c>Entity</c> must be either an rsa_public_key() or a
- dsa_public_key() and this function will create the appropriate
+ <d>Erlang representation of
+ <c>Asn1Type</c>. If <c>Asn1Type</c> is 'SubjectPublicKeyInfo',
+ <c>Entity</c> must be either an <c>rsa_public_key()</c> or a
+ <c>dsa_public_key()</c> and this function creates the appropriate
'SubjectPublicKeyInfo' entry.
</d>
<v>CipherInfo = cipher_info()</v>
<v>Password = string()</v>
</type>
<desc>
- <p> Creates a PEM entry that can be feed to pem_encode/1.</p>
+ <p>Creates a PEM entry that can be feed to <c>pem_encode/1</c>.</p>
</desc>
</func>
<func>
<name>encrypt_private(PlainText, Key) -> binary()</name>
- <fsummary> Public key encryption using the private key.</fsummary>
+ <fsummary>Public-key encryption using the private key.</fsummary>
<type>
<v>PlainText = binary()</v>
<v>Key = rsa_private_key()</v>
</type>
<desc>
- <p> Public key encryption using the private key.
+ <p>Public-key encryption using the private key.
See also <seealso
- marker="crypto:crypto#private_encrypt/4">crypto:private_encrypt/4</seealso></p>
+ marker="crypto:crypto#private_encrypt/4">crypto:private_encrypt/4</seealso>.</p>
</desc>
</func>
<func>
<name>encrypt_public(PlainText, Key) -> binary()</name>
- <fsummary> Public key encryption using the public key.</fsummary>
+ <fsummary>Public-key encryption using the public key.</fsummary>
<type>
<v>PlainText = binary()</v>
<v>Key = rsa_public_key()</v>
</type>
<desc>
- <p> Public key encryption using the public key. See also <seealso
- marker="crypto:crypto#public_encrypt/4">crypto:public_encrypt/4</seealso></p>
+ <p>Public-key encryption using the public key. See also <seealso
+ marker="crypto:crypto#public_encrypt/4">crypto:public_encrypt/4</seealso>.</p>
</desc>
</func>
<func>
<name>pkix_decode_cert(Cert, otp|plain) -> #'Certificate'{} | #'OTPCertificate'{}</name>
- <fsummary> Decodes an ASN.1 DER encoded PKIX x509 certificate.</fsummary>
+ <fsummary>Decodes an ASN.1 DER-encoded PKIX x509 certificate.</fsummary>
<type>
<v>Cert = der_encoded()</v>
</type>
<desc>
- <p>Decodes an ASN.1 DER encoded PKIX certificate. The otp option
- will use the customized ASN.1 specification OTP-PKIX.asn1 for
+ <p>Decodes an ASN.1 DER-encoded PKIX certificate. Option <c>otp</c>
+ uses the customized ASN.1 specification OTP-PKIX.asn1 for
decoding and also recursively decode most of the standard
parts.</p>
</desc>
@@ -355,54 +413,54 @@
certificate.</fsummary>
<type>
<v>Asn1Type = atom()</v>
- <d>The ASN.1 type can be 'Certificate', 'OTPCertificate' or a subtype of either .</d>
+ <d>The ASN.1 type can be 'Certificate', 'OTPCertificate' or a subtype of either.</d>
<v>Entity = #'Certificate'{} | #'OTPCertificate'{} | a valid subtype</v>
</type>
<desc>
<p>DER encodes a PKIX x509 certificate or part of such a
certificate. This function must be used for encoding certificates or parts of certificates
- that are decoded/created in the otp format, whereas for the plain format this
- function will directly call der_encode/2. </p>
+ that are decoded/created in the <c>otp</c> format, whereas for the plain format this
+ function directly calls <c>der_encode/2</c>.</p>
</desc>
</func>
<func>
<name>pkix_is_issuer(Cert, IssuerCert) -> boolean()</name>
- <fsummary> Checks if <c>IssuerCert</c> issued <c>Cert</c> </fsummary>
+ <fsummary>Checks if <c>IssuerCert</c> issued <c>Cert</c>.</fsummary>
<type>
<v>Cert = der_encoded() | #'OTPCertificate'{}</v>
<v>IssuerCert = der_encoded() | #'OTPCertificate'{}</v>
</type>
<desc>
- <p> Checks if <c>IssuerCert</c> issued <c>Cert</c> </p>
+ <p>Checks if <c>IssuerCert</c> issued <c>Cert</c>.</p>
</desc>
</func>
<func>
<name>pkix_is_fixed_dh_cert(Cert) -> boolean()</name>
- <fsummary> Checks if a Certificate is a fixed Diffie-Hellman Cert.</fsummary>
+ <fsummary>Checks if a certificate is a fixed Diffie-Hellman certificate.</fsummary>
<type>
<v>Cert = der_encoded() | #'OTPCertificate'{}</v>
</type>
<desc>
- <p> Checks if a Certificate is a fixed Diffie-Hellman Cert.</p>
+ <p>Checks if a certificate is a fixed Diffie-Hellman certificate.</p>
</desc>
</func>
<func>
<name>pkix_is_self_signed(Cert) -> boolean()</name>
- <fsummary> Checks if a Certificate is self signed.</fsummary>
+ <fsummary>Checks if a certificate is self-signed.</fsummary>
<type>
<v>Cert = der_encoded() | #'OTPCertificate'{}</v>
</type>
<desc>
- <p> Checks if a Certificate is self signed.</p>
+ <p>Checks if a certificate is self-signed.</p>
</desc>
</func>
<func>
<name>pkix_issuer_id(Cert, IssuedBy) -> {ok, IssuerID} | {error, Reason}</name>
- <fsummary> Returns the issuer id.</fsummary>
+ <fsummary>Returns the issuer id.</fsummary>
<type>
<v>Cert = der_encoded() | #'OTPCertificate'{}</v>
<v>IssuedBy = self | other</v>
@@ -411,43 +469,43 @@
<v>Reason = term()</v>
</type>
<desc>
- <p> Returns the issuer id.</p>
+ <p>Returns the issuer id.</p>
</desc>
</func>
<func>
<name>pkix_normalize_name(Issuer) -> Normalized</name>
- <fsummary>Normalizes a issuer name so that it can be easily
- compared to another issuer name. </fsummary>
+ <fsummary>Normalizes an issuer name so that it can be easily
+ compared to another issuer name.</fsummary>
<type>
<v>Issuer = issuer_name()</v>
<v>Normalized = issuer_name()</v>
</type>
<desc>
- <p>Normalizes a issuer name so that it can be easily
+ <p>Normalizes an issuer name so that it can be easily
compared to another issuer name.</p>
</desc>
</func>
<func>
<name>pkix_path_validation(TrustedCert, CertChain, Options) -> {ok, {PublicKeyInfo, PolicyTree}} | {error, {bad_cert, Reason}} </name>
- <fsummary> Performs a basic path validation according to RFC 5280.</fsummary>
+ <fsummary>Performs a basic path validation according to RFC 5280.</fsummary>
<type>
- <v> TrustedCert = #'OTPCertificate'{} | der_encoded() | atom() </v>
- <d>Normally a trusted certificate but it can also be a path validation
+ <v>TrustedCert = #'OTPCertificate'{} | der_encode() | atom()</v>
+ <d>Normally a trusted certificate, but it can also be a path-validation
error that can be discovered while
- constructing the input to this function and that should be run through the <c>verify_fun</c>.
- For example <c>unknown_ca </c> or <c>selfsigned_peer </c>
+ constructing the input to this function and that is to be run through the <c>verify_fun</c>.
+ Examples are <c>unknown_ca</c> and <c>selfsigned_peer.</c>
</d>
- <v> CertChain = [der_encoded()]</v>
- <d>A list of DER encoded certificates in trust order ending with the peer certificate.</d>
- <v> Options = proplists:proplist()</v>
+ <v>CertChain = [der_encode()]</v>
+ <d>A list of DER-encoded certificates in trust order ending with the peer certificate.</d>
+ <v>Options = proplists:proplist()</v>
<v>PublicKeyInfo = {?'rsaEncryption' | ?'id-dsa',
rsa_public_key() | integer(), 'NULL' | 'Dss-Parms'{}}</v>
- <v> PolicyTree = term() </v>
- <d>At the moment this will always be an empty list as Policies are not currently supported</d>
- <v> Reason = cert_expired | invalid_issuer | invalid_signature | name_not_permitted |
+ <v>PolicyTree = term()</v>
+ <d>At the moment this is always an empty list as policies are not currently supported.</d>
+ <v>Reason = cert_expired | invalid_issuer | invalid_signature | name_not_permitted |
missing_basic_constraint | invalid_key_usage | {revoked, crl_reason()} | atom()
</v>
</type>
@@ -455,17 +513,17 @@
<p>
Performs a basic path validation according to
<url href="http://www.ietf.org/rfc/rfc5280.txt">RFC 5280.</url>
- However CRL validation is done separately by <seealso
- marker="#pkix_crls_validate-3">pkix_crls_validate/3 </seealso> and should be called
- from the supplied <c>verify_fun</c>
+ However, CRL validation is done separately by <seealso
+ marker="#pkix_crls_validate-3">pkix_crls_validate/3 </seealso> and is to be called
+ from the supplied <c>verify_fun</c>.
</p>
- <taglist>
- <p> Available options are: </p>
+ <p>Available options:</p>
+ <taglist>
<tag>{verify_fun, fun()}</tag>
<item>
- <p>The fun should be defined as:</p>
+ <p>The fun must be defined as:</p>
<code>
fun(OtpCert :: #'OTPCertificate'{},
@@ -478,53 +536,53 @@ fun(OtpCert :: #'OTPCertificate'{},
{unknown, UserState :: term()}.
</code>
- <p>If the verify callback fun returns {fail, Reason}, the
+ <p>If the verify callback fun returns <c>{fail, Reason}</c>, the
verification process is immediately stopped. If the verify
- callback fun returns {valid, UserState}, the verification
- process is continued, this can be used to accept specific path
- validation errors such as <c>selfsigned_peer</c> as well as
- verifying application specific extensions. If called with an
- extension unknown to the user application the return value
- {unknown, UserState} should be used.</p>
+ callback fun returns <c>{valid, UserState}</c>, the verification
+ process is continued. This can be used to accept specific path
+ validation errors, such as <c>selfsigned_peer</c>, as well as
+ verifying application-specific extensions. If called with an
+ extension unknown to the user application, the return value
+ <c>{unknown, UserState}</c> is to be used.</p>
</item>
<tag>{max_path_length, integer()}</tag>
<item>
The <c>max_path_length</c> is the maximum number of non-self-issued
- intermediate certificates that may follow the peer certificate
- in a valid certification path. So if <c>max_path_length</c> is 0 the PEER must
- be signed by the trusted ROOT-CA directly, if 1 the path can
- be PEER, CA, ROOT-CA, if it is 2 PEER, CA, CA, ROOT-CA and so
- on.
+ intermediate certificates that can follow the peer certificate
+ in a valid certification path. So, if <c>max_path_length</c> is 0, the PEER must
+ be signed by the trusted ROOT-CA directly, if it is 1, the path can
+ be PEER, CA, ROOT-CA, if it is 2, the path can
+ be PEER, CA, CA, ROOT-CA, and so on.
</item>
</taglist>
- <p> Possible reasons for a bad certificate are: </p>
+ <p>Possible reasons for a bad certificate: </p>
<taglist>
<tag>cert_expired</tag>
- <item>The certificate is no longer valid as its expiration date has passed.</item>
+ <item><p>Certificate is no longer valid as its expiration date has passed.</p></item>
<tag>invalid_issuer</tag>
- <item>The certificate issuer name does not match the name of the issuer certificate in the chain.</item>
+ <item><p>Certificate issuer name does not match the name of the issuer certificate in the chain.</p></item>
<tag>invalid_signature</tag>
- <item>The certificate was not signed by its issuer certificate in the chain.</item>
+ <item><p>Certificate was not signed by its issuer certificate in the chain.</p></item>
<tag>name_not_permitted</tag>
- <item>Invalid Subject Alternative Name extension.</item>
+ <item><p>Invalid Subject Alternative Name extension.</p></item>
<tag>missing_basic_constraint</tag>
- <item>Certificate, required to have the basic constraints extension, does not have
- a basic constraints extension.</item>
+ <item><p>Certificate, required to have the basic constraints extension, does not have
+ a basic constraints extension.</p></item>
<tag>invalid_key_usage</tag>
- <item>Certificate key is used in an invalid way according to the key usage extension.</item>
+ <item><p>Certificate key is used in an invalid way according to the key-usage extension.</p></item>
<tag>{revoked, crl_reason()}</tag>
- <item>Certificate has been revoked.</item>
+ <item><p>Certificate has been revoked.</p></item>
<tag>atom()</tag>
- <item>Application specific error reason that should be checked by the verify_fun</item>
+ <item><p>Application-specific error reason that is to be checked by the <c>verify_fun</c>.</p></item>
</taglist>
</desc>
@@ -543,44 +601,47 @@ fun(OtpCert :: #'OTPCertificate'{},
<func>
<name>pkix_crls_validate(OTPCertificate, DPAndCRLs, Options) -> CRLStatus()</name>
- <fsummary> Performs CRL validation.</fsummary>
+ <fsummary>Performs CRL validation.</fsummary>
<type>
- <v> OTPCertificate = #'OTPCertificate'{}</v>
- <v> DPAndCRLs = [{DP::#'DistributionPoint'{}, {DerCRL::der_encoded(), CRL::#'CertificateList'{}}}] </v>
- <v> Options = proplists:proplist()</v>
- <v> CRLStatus() = valid | {bad_cert, revocation_status_undetermined} |
+ <v>OTPCertificate = #'OTPCertificate'{}</v>
+ <v>DPAndCRLs = [{DP::#'DistributionPoint'{}, {DerCRL::der_encoded(), CRL::#'CertificateList'{}}}] </v>
+ <v>Options = proplists:proplist()</v>
+ <v>CRLStatus() = valid | {bad_cert, revocation_status_undetermined} |
{bad_cert, {revoked, crl_reason()}}</v>
</type>
<desc>
- <p> Performs CRL validation. It is intended to be called from
+ <p>Performs CRL validation. It is intended to be called from
the verify fun of <seealso marker="#pkix_path_validation-3"> pkix_path_validation/3
- </seealso></p>
+ </seealso>.</p>
+
+ <p>Available options:</p>
+
<taglist>
- <p> Available options are: </p>
+
<tag>{update_crl, fun()}</tag>
<item>
- <p>The fun has the following type spec:</p>
+ <p>The fun has the following type specification:</p>
<code> fun(#'DistributionPoint'{}, #'CertificateList'{}) ->
#'CertificateList'{}</code>
- <p>The fun should use the information in the distribution point to acesses
- the lates possible version of the CRL. If this fun is not specified
- public_key will use the default implementation:
+ <p>The fun uses the information in the distribution point to access
+ the latest possible version of the CRL. If this fun is not specified,
+ <c>public_key</c> uses the default implementation:
</p>
<code> fun(_DP, CRL) -> CRL end</code>
</item>
<tag>{issuer_fun, fun()}</tag>
<item>
- <p>The fun has the following type spec:</p>
+ <p>The fun has the following type specification:</p>
<code>
fun(#'DistributionPoint'{}, #'CertificateList'{},
{rdnSequence,[#'AttributeTypeAndValue'{}]}, term()) ->
{ok, #'OTPCertificate'{}, [der_encoded]}</code>
- <p>The fun should return the root certificate and certificate chain
+ <p>The fun returns the root certificate and certificate chain
that has signed the CRL.
</p>
<code> fun(DP, CRL, Issuer, UserState) -> {ok, RootCert, CertChain}</code>
@@ -635,83 +696,83 @@ fun(#'DistributionPoint'{}, #'CertificateList'{},
<v>Key = rsa_public_key() | dsa_public_key()</v>
</type>
<desc>
- <p>Signs a 'OTPTBSCertificate'. Returns the corresponding
- der encoded certificate.</p>
+ <p>Signs an 'OTPTBSCertificate'. Returns the corresponding
+ DER-encoded certificate.</p>
</desc>
</func>
<func>
<name>pkix_sign_types(AlgorithmId) -> {DigestType, SignatureType}</name>
- <fsummary>Translates signature algorithm oid to erlang digest and signature algorithm types.</fsummary>
+ <fsummary>Translates signature algorithm OID to Erlang digest and signature algorithm types.</fsummary>
<type>
<v>AlgorithmId = oid()</v>
- <d>Signature oid from a certificate or a certificate revocation list</d>
- <v>DigestType = rsa_digest_type() | dss_digest_type() </v>
+ <d>Signature OID from a certificate or a certificate revocation list.</d>
+ <v>DigestType = rsa_digest_type() | dss_digest_type()</v>
<v>SignatureType = rsa | dsa</v>
</type>
<desc>
- <p>Translates signature algorithm oid to erlang digest and signature types.
+ <p>Translates signature algorithm OID to Erlang digest and signature types.
</p>
</desc>
</func>
<func>
<name>pkix_verify(Cert, Key) -> boolean()</name>
- <fsummary> Verify pkix x.509 certificate signature.</fsummary>
+ <fsummary>Verifies PKIX x.509 certificate signature.</fsummary>
<type>
<v>Cert = der_encoded()</v>
<v>Key = rsa_public_key() | dsa_public_key()</v>
</type>
<desc>
- <p> Verify PKIX x.509 certificate signature.</p>
+ <p>Verifies PKIX x.509 certificate signature.</p>
</desc>
</func>
<func>
<name>sign(Msg, DigestType, Key) -> binary()</name>
- <fsummary> Create digital signature.</fsummary>
+ <fsummary>Creates a digital signature.</fsummary>
<type>
<v>Msg = binary() | {digest,binary()}</v>
- <d>The msg is either the binary "plain text" data to be
- signed or it is the hashed value of "plain text" i.e. the
+ <d>The <c>Msg</c> is either the binary "plain text" data to be
+ signed or it is the hashed value of "plain text", that is, the
digest.</d>
<v>DigestType = rsa_digest_type() | dss_digest_type() | ecdsa_digest_type()</v>
<v>Key = rsa_private_key() | dsa_private_key() | ec_private_key()</v>
</type>
<desc>
- <p> Creates a digital signature.</p>
+ <p>Creates a digital signature.</p>
</desc>
</func>
<func>
<name>ssh_decode(SshBin, Type) -> [{public_key(), Attributes::list()}]</name>
- <fsummary>Decodes a ssh file-binary. </fsummary>
+ <fsummary>Decodes an SSH file-binary.</fsummary>
<type>
<v>SshBin = binary()</v>
<d>Example {ok, SshBin} = file:read_file("known_hosts").</d>
- <v> Type = public_key | ssh_file()</v>
- <d>If <c>Type</c> is <c>public_key</c> the binary may be either
- a rfc4716 public key or a openssh public key.</d>
+ <v>Type = public_key | ssh_file()</v>
+ <d>If <c>Type</c> is <c>public_key</c> the binary can be either
+ an RFC4716 public key or an OpenSSH public key.</d>
</type>
<desc>
- <p> Decodes a ssh file-binary. In the case of know_hosts or
- auth_keys the binary may include one or more lines of the
+ <p>Decodes an SSH file-binary. In the case of <c>know_hosts</c> or
+ <c>auth_keys</c>, the binary can include one or more lines of the
file. Returns a list of public keys and their attributes, possible
attribute values depends on the file type represented by the
binary.
</p>
<taglist>
- <tag>rfc4716 attributes - see RFC 4716</tag>
- <item>{headers, [{string(), utf8_string()}]}</item>
- <tag>auth_key attributes - see man sshd </tag>
+ <tag>RFC4716 attributes - see RFC 4716.</tag>
+ <item><p>{headers, [{string(), utf8_string()}]}</p></item>
+ <tag>auth_key attributes - see manual page for sshd.</tag>
<item>{comment, string()}</item>
<item>{options, [string()]}</item>
- <item>{bits, integer()} - In ssh version 1 files</item>
- <tag>known_host attributes - see man sshd</tag>
+ <item><p>{bits, integer()} - In SSH version 1 files.</p></item>
+ <tag>known_host attributes - see manual page for sshd.</tag>
<item>{hostnames, [string()]}</item>
<item>{comment, string()}</item>
- <item>{bits, integer()} - In ssh version 1 files</item>
+ <item><p>{bits, integer()} - In SSH version 1 files.</p></item>
</taglist>
</desc>
@@ -719,16 +780,16 @@ fun(#'DistributionPoint'{}, #'CertificateList'{},
<func>
<name>ssh_encode([{Key, Attributes}], Type) -> binary()</name>
- <fsummary> Encodes a list of ssh file entries to a binary.</fsummary>
+ <fsummary>Encodes a list of SSH file entries to a binary.</fsummary>
<type>
<v>Key = public_key()</v>
<v>Attributes = list()</v>
<v>Type = ssh_file()</v>
</type>
<desc>
- <p>Encodes a list of ssh file entries (public keys and attributes) to a binary. Possible
- attributes depends on the file type, see <seealso
- marker="#ssh_decode-2"> ssh_decode/2 </seealso></p>
+ <p>Encodes a list of SSH file entries (public keys and attributes) to a binary. Possible
+ attributes depend on the file type, see <seealso
+ marker="#ssh_decode-2"> ssh_decode/2 </seealso>.</p>
</desc>
</func>
@@ -737,14 +798,14 @@ fun(#'DistributionPoint'{}, #'CertificateList'{},
<fsummary>Verifies a digital signature.</fsummary>
<type>
<v>Msg = binary() | {digest,binary()}</v>
- <d>The msg is either the binary "plain text" data
- or it is the hashed value of "plain text" i.e. the digest.</d>
+ <d>The <c>Msg</c> is either the binary "plain text" data
+ or it is the hashed value of "plain text", that is, the digest.</d>
<v>DigestType = rsa_digest_type() | dss_digest_type() | ecdsa_digest_type()</v>
<v>Signature = binary()</v>
<v>Key = rsa_public_key() | dsa_public_key() | ec_public_key()</v>
</type>
<desc>
- <p>Verifies a digital signature</p>
+ <p>Veryfies a digital signature.</p>
</desc>
</func>
diff --git a/lib/public_key/doc/src/public_key_records.xml b/lib/public_key/doc/src/public_key_records.xml
index a7dfc41449..24f5faf38e 100644
--- a/lib/public_key/doc/src/public_key_records.xml
+++ b/lib/public_key/doc/src/public_key_records.xml
@@ -23,7 +23,7 @@
The Initial Developer of the Original Code is Ericsson AB.
</legalnotice>
- <title>Public key records</title>
+ <title>Public-Key Records</title>
<prepared>Ingela Anderton Andin</prepared>
<responsible></responsible>
<docno></docno>
@@ -34,14 +34,14 @@
<file>public_key_records.xml</file>
</header>
- <p>This chapter briefly describes Erlang records derived from ASN1
+ <p>This section briefly describes Erlang records derived from ASN.1
specifications used to handle public and private keys.
- The intent is to describe the data types
- and not to specify the semantics of each component. For information on the
- semantics, please see the relevant standards and RFCs.</p>
+ The scope is to describe the data types of each component,
+ not the semantics. For information on the
+ semantics, refer to the relevant standards and RFCs.</p>
<p>Use the following include directive to get access to the
- records and constant macros described in the following sections.</p>
+ records and constant macros described in the following sections:</p>
<code> -include_lib("public_key/include/public_key.hrl"). </code>
@@ -49,13 +49,15 @@
<title>Common Data Types</title>
<p>Common non-standard Erlang
- data types used to described the record fields in the
- below sections are defined in <seealso
- marker="public_key">public key reference manual </seealso></p>
+ data types used to describe the record fields in the
+ following sections are defined in the <c>public_key</c> <seealso
+ marker="public_key">Reference Manual</seealso>.</p>
</section>
<section>
- <title>RSA as defined by the PKCS-1 standard and <url href="http://www.ietf.org/rfc/rfc3447.txt"> RFC 3447 </url></title>
+ <title>The RSA According to PKCS-1 and RFC 3447</title>
+ <p>RSA as defined by the PKCS-1 standard and <url href="http://www.ietf.org/rfc/rfc3447.txt">
+ RFC 3447 </url> follows:</p>
<code>
#'RSAPublicKey'{
@@ -80,15 +82,15 @@
prime, % integer()
exponent, % integer()
coefficient % integer()
- }.
- </code>
+ }. </code>
</section>
<section>
- <title>DSA as defined by
- <url href="http://csrc.nist.gov/publications/fips/fips186-3/fips_186-3.pdf"> Digital Signature Standard (NIST FIPS PUB 186-2) </url>
- </title>
+ <title>DSA According to DSS</title>
+ <p>The DSA as defined by the
+ <url href="http://csrc.nist.gov/publications/fips/fips186-3/fips_186-3.pdf">
+ Digital Signature Standard (DSS), NIST FIPS PUB 186-2</url> follows:</p>
<code>
#'DSAPrivateKey',{
@@ -104,13 +106,13 @@
p, % integer()
q, % integer()
g % integer()
- }.
- </code>
+ }. </code>
</section>
<section>
- <title>ECC (Elliptic Curve) <url href="http://www.ietf.org/rfc/rfc3447.txt"> RFC 5480 </url>
- </title>
+ <title>ECC According to RFC 5480</title>
+ <p>The Elliptic Curve (ECC) as defined by <url href="http://www.ietf.org/rfc/rfc3447.txt">
+ RFC 5480 </url> follows:</p>
<code>
#'ECPrivateKey'{
diff --git a/lib/public_key/doc/src/records.xml b/lib/public_key/doc/src/records.xml
new file mode 100644
index 0000000000..75265791af
--- /dev/null
+++ b/lib/public_key/doc/src/records.xml
@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<!DOCTYPE part SYSTEM "part.dtd">
+
+<part xmlns:xi="http://www.w3.org/2001/XInclude">
+ <header>
+ <copyright>
+ <year>2008</year>
+ <year>2014</year>
+ <holder>Ericsson AB, All Rights Reserved</holder>
+ </copyright>
+ <legalnotice>
+ The contents of this file are subject to the Erlang Public License,
+ Version 1.1, (the "License"); you may not use this file except in
+ compliance with the License. You should have received a copy of the
+ Erlang Public License along with this software. If not, it can be
+ retrieved online at http://www.erlang.org/.
+
+ Software distributed under the License is distributed on an "AS IS"
+ basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ the License for the specific language governing rights and limitations
+ under the License.
+
+ The Initial Developer of the Original Code is Ericsson AB.
+ </legalnotice>
+
+ <title>Records</title>
+ <prepared>Tommy Månevik</prepared>
+ <docno></docno>
+ <date>2015-04-01</date>
+ <rev></rev>
+ <file>records.xml</file>
+ </header>
+ <description>
+ <p>This section describes Erlang records derived from ASN.1 specifications,
+ used to handle the following:
+ </p>
+ <list type="bulleted">
+ <item>Public and private keys</item>
+ <item><c>X509 certificates</c> and <c>CertificationRequest</c></item>
+ </list>
+ </description>
+
+ <xi:include href="public_key_records.xml"/>
+ <xi:include href="cert_records.xml"/>
+
+</part>
+
diff --git a/lib/public_key/doc/src/ref_man.xml b/lib/public_key/doc/src/ref_man.xml
index b7078891d4..9c80cf4b9f 100644
--- a/lib/public_key/doc/src/ref_man.xml
+++ b/lib/public_key/doc/src/ref_man.xml
@@ -31,8 +31,8 @@
<file>ref_man.xml</file>
</header>
<description>
- <p> Provides functions to handle public key infrastructure
- from RFC 3280 (X.509 certificates) and some parts of the PKCS-standard.
+ <p>The <c>public_key</c> application provides functions to handle public-key infrastructure
+ from RFC 3280 (X.509 certificates) and parts of the PKCS standard.
</p>
</description>
<xi:include href="public_key.xml"/>
diff --git a/lib/public_key/doc/src/using_public_key.xml b/lib/public_key/doc/src/using_public_key.xml
index 450bd7e35f..69b8c0dcb9 100644
--- a/lib/public_key/doc/src/using_public_key.xml
+++ b/lib/public_key/doc/src/using_public_key.xml
@@ -22,27 +22,27 @@
</legalnotice>
<title>Getting Started</title>
+ <prepared></prepared>
+ <docno></docno>
+ <date></date>
+ <rev></rev>
<file>using_public_key.xml</file>
</header>
- <section>
- <title>General information</title>
+ <p>This section describes examples of how to use the
+ <c>public_key</c> API. Keys and certificates used in the following
+ sections are generated only for testing the <c>public_key</c>
+ application.</p>
- <p> This chapter is dedicated to showing some
- examples of how to use the public_key API. Keys and certificates
- used in the following sections are generated only for the purpose
- of testing the public key application.</p>
+ <p>Some shell printouts in the following examples
+ are abbreviated for increased readability.</p>
- <p>Note that some shell printouts, in the following examples,
- have been abbreviated for increased readability.</p>
-
- </section>
-
+
<section>
- <title>PEM files</title>
- <p> Public key data (keys, certificates etc) may be stored in PEM format. PEM files
- comes from the Private Enhanced Mail Internet standard and has a
- structure that looks like this:</p>
+ <title>PEM Files</title>
+ <p>Public-key data (keys, certificates, and so on) can be stored in
+ Privacy Enhanced Mail (PEM) format.
+ The PEM files have the following structure:</p>
<code>&lt;text&gt;
-----BEGIN &lt;SOMETHING&gt;-----
@@ -51,19 +51,20 @@
-----END &lt;SOMETHING&gt;-----
&lt;text&gt;</code>
- <p>A file can contain several BEGIN/END blocks. Text lines between
- blocks are ignored. Attributes, if present, are currently ignored except
- for <c>Proc-Type</c> and <c>DEK-Info</c> that are used when the DER data is
- encrypted.</p>
+ <p>A file can contain several <c>BEGIN/END</c> blocks. Text lines between
+ blocks are ignored. Attributes, if present, are ignored except
+ for <c>Proc-Type</c> and <c>DEK-Info</c>, which are used when <c>DER</c>
+ data is encrypted.</p>
<section>
- <title>DSA private key</title>
+ <title>DSA Private Key</title>
+ <p>A DSA private key can look as follows:</p>
+ <note><p>File handling is not done by the <c>public_key</c> application.</p></note>
- <p>Note file handling is not done by the public_key application. </p>
<code>1> {ok, PemBin} = file:read_file("dsa.pem").
{ok,&lt;&lt;"-----BEGIN DSA PRIVATE KEY-----\nMIIBuw"...&gt;&gt;}</code>
- <p>This PEM file only has one entry, a private DSA key.</p>
+ <p>The following PEM file has only one entry, a private DSA key:</p>
<code>2> [DSAEntry] = public_key:pem_decode(PemBin).
[{'DSAPrivateKey',&lt;&lt;48,130,1,187,2,1,0,2,129,129,0,183,
179,230,217,37,99,144,157,21,228,204,
@@ -80,21 +81,20 @@
</section>
<section>
- <title>RSA private key encrypted with a password.</title>
+ <title>RSA Private Key with Password</title>
+ <p>An RSA private key encrypted with a password can look as follows:</p>
<code>1> {ok, PemBin} = file:read_file("rsa.pem").
{ok,&lt;&lt;"Bag Attribut"...&gt;&gt;}</code>
- <p>This PEM file only has one entry a private RSA key.</p>
+ <p>The following PEM file has only one entry, a private RSA key:</p>
<code>2>[RSAEntry] = public_key:pem_decode(PemBin).
[{'RSAPrivateKey',&lt;&lt;224,108,117,203,152,40,15,77,128,126,
221,195,154,249,85,208,202,251,109,
119,120,57,29,89,19,9,...&gt;&gt;,
- {"DES-EDE3-CBC",&lt;&lt;"kÙeø¼pµL"&gt;&gt;}}]
-
- </code>
+ {"DES-EDE3-CBC",&lt;&lt;"kÙeø¼pµL"&gt;&gt;}}]</code>
- <p>In this example the password is "abcd1234".</p>
+ <p>In this following example, the password is <c>"abcd1234"</c>:</p>
<code>3> Key = public_key:pem_entry_decode(RSAEntry, "abcd1234").
#'RSAPrivateKey'{version = 'two-prime',
modulus = 1112355156729921663373...2737107,
@@ -110,11 +110,12 @@
<section>
<title>X509 Certificates</title>
+ <p>The following is an example of X509 certificates:</p>
<code>1> {ok, PemBin} = file:read_file("cacerts.pem").
{ok,&lt;&lt;"-----BEGIN CERTIFICATE-----\nMIIC7jCCAl"...&gt;&gt;}</code>
- <p>This file includes two certificates</p>
+ <p>The following file includes two certificates:</p>
<code>2> [CertEntry1, CertEntry2] = public_key:pem_decode(PemBin).
[{'Certificate',&lt;&lt;48,130,2,238,48,130,2,87,160,3,2,1,2,2,
9,0,230,145,97,214,191,2,120,150,48,13,
@@ -124,7 +125,7 @@
1,48,13,6,9,42,134,72,134,247,...&gt;&gt;>,
not_encrypted}]</code>
- <p>Certificates may of course be decoded as usual ... </p>
+ <p>Certificates can be decoded as usual:</p>
<code>2> Cert = public_key:pem_entry_decode(CertEntry1).
#'Certificate'{
tbsCertificate =
@@ -212,22 +213,23 @@
signature =
{0,
&lt;&lt;163,186,7,163,216,152,63,47,154,234,139,73,154,96,120,
- 165,2,52,196,195,109,167,192,...&gt;&gt;}}
-</code>
-
- <p> Parts of certificates can be decoded with
- public_key:der_decode/2 using that parts ASN.1 type.
- Although application specific certificate
- extension requires application specific ASN.1 decode/encode-functions.
- Example, the first value of the rdnSequence above is of ASN.1 type
- 'X520CommonName'. ({2,5,4,3} = ?id-at-commonName)</p>
+ 165,2,52,196,195,109,167,192,...&gt;&gt;}}</code>
+
+ <p>Parts of certificates can be decoded with
+ <c>public_key:der_decode/2</c>, using the ASN.1 type of that part.
+ However, an application-specific certificate extension requires
+ application-specific ASN.1 decode/encode-functions.
+ In the recent example, the first value of <c>rdnSequence</c> is
+ of ASN.1 type <c>'X520CommonName'. ({2,5,4,3} = ?id-at-commonName)</c>:</p>
<code>public_key:der_decode('X520CommonName', &lt;&lt;19,8,101,114,108,97,110,103,67,65&gt;&gt;).
{printableString,"erlangCA"}</code>
- <p>... but certificates can also be decode using the pkix_decode_cert/2 that
- can customize and recursively decode standard parts of a certificate.</p>
+ <p>However, certificates can also be decoded using <c>pkix_decode_cert/2</c>,
+ which can customize and recursively decode standard parts of a certificate:</p>
+
<code>3>{_, DerCert, _} = CertEntry1.</code>
+
<code>4> public_key:pkix_decode_cert(DerCert, otp).
#'OTPCertificate'{
tbsCertificate =
@@ -316,28 +318,26 @@
signature =
{0,
&lt;&lt;163,186,7,163,216,152,63,47,154,234,139,73,154,96,120,
- 165,2,52,196,195,109,167,192,...&gt;&gt;}}
-</code>
+ 165,2,52,196,195,109,167,192,...&gt;&gt;}}</code>
- <p>This call is equivalent to public_key:pem_entry_decode(CertEntry1)</p>
+ <p>This call is equivalent to <c>public_key:pem_entry_decode(CertEntry1)</c>:</p>
<code>5> public_key:pkix_decode_cert(DerCert, plain).
-#'Certificate'{ ...}
-</code>
+#'Certificate'{ ...}</code>
</section>
<section>
- <title>Encoding public key data to PEM format</title>
+ <title>Encoding Public-Key Data to PEM Format</title>
- <p>If you have public key data and and want to create a PEM file
- you can do that by calling the functions
- public_key:pem_entry_encode/2 and pem_encode/1 and then saving the
- result to a file. For example assume you have PubKey =
- 'RSAPublicKey'{} then you can create a PEM-"RSA PUBLIC KEY" file
- (ASN.1 type 'RSAPublicKey') or a PEM-"PUBLIC KEY" file
- ('SubjectPublicKeyInfo' ASN.1 type).</p>
+ <p>If you have public-key data and want to create a PEM file
+ this can be done by calling functions
+ <c>public_key:pem_entry_encode/2</c> and <c>pem_encode/1</c> and
+ saving the result to a file. For example, assume that you have
+ <c>PubKey = 'RSAPublicKey'{}</c>. Then you can create a PEM-"RSA PUBLIC KEY"
+ file (ASN.1 type <c>'RSAPublicKey'</c>) or a PEM-"PUBLIC KEY" file
+ (<c>'SubjectPublicKeyInfo'</c> ASN.1 type).</p>
- <p> The second element of the PEM-entry will be the ASN.1 DER encoded
- key data.</p>
+ <p>The second element of the PEM-entry is the ASN.1 <c>DER</c> encoded
+ key data:</p>
<code>1> PemEntry = public_key:pem_entry_encode('RSAPublicKey', RSAPubKey).
{'RSAPublicKey', &lt;&lt;48,72,...&gt;&gt;, not_encrypted}
@@ -348,7 +348,7 @@
3> file:write_file("rsa_pub_key.pem", PemBin).
ok</code>
- <p> or </p>
+ <p>or:</p>
<code>1> PemEntry = public_key:pem_entry_encode('SubjectPublicKeyInfo', RSAPubKey).
{'SubjectPublicKeyInfo', &lt;&lt;48,92...&gt;&gt;, not_encrypted}
@@ -363,96 +363,106 @@ ok</code>
</section>
<section>
- <title>RSA public key cryptography </title>
- <p> Suppose you have PrivateKey = #'RSAPrivateKey{}' and the
- plaintext Msg = binary() and the corresponding public key
- PublicKey = #'RSAPublicKey'{} then you can do the following.
- Note that you normally will only do one of the encrypt or
- decrypt operations and the peer will do the other.
- </p>
-
- <p>Encrypt with the private key </p>
+ <title>RSA Public-Key Cryptography</title>
+ <p>Suppose you have the followwing private key and a corresponding public key:</p>
+ <list type="bulleted">
+ <item><c>PrivateKey = #'RSAPrivateKey{}'</c> and
+ the plaintext <c>Msg = binary()</c></item>
+ <item><c>PublicKey = #'RSAPublicKey'{}</c>
+ </item>
+ </list>
+ <p>Then you can proceed as follows:</p>
+
+ <p>Encrypt with the private key:</p>
<code>RsaEncrypted = public_key:encrypt_private(Msg, PrivateKey),
Msg = public_key:decrypt_public(RsaEncrypted, PublicKey),</code>
- <p>Encrypt with the public key </p>
+ <p>Encrypt with the public key:</p>
<code>RsaEncrypted = public_key:encrypt_public(Msg, PublicKey),
Msg = public_key:decrypt_private(RsaEncrypted, PrivateKey),</code>
+
+ <note><p>You normally do only one of the encrypt or decrypt operations,
+ and the peer does the other.</p></note>
+
</section>
<section>
- <title>Digital signatures</title>
+ <title>Digital Signatures</title>
- <p> Suppose you have PrivateKey = #'RSAPrivateKey{}'or
- #'DSAPrivateKey'{} and the plaintext Msg = binary() and the
- corresponding public key PublicKey = #'RSAPublicKey'{} or
- {integer(), #'DssParams'{}} then you can do the following. Note
- that you normally will only do one of the sign or verify operations
- and the peer will do the other. </p>
+ <p>Suppose you have the following private key and a corresponding public key:</p>
+
+ <list type="bulleted">
+ <item><c>PrivateKey = #'RSAPrivateKey{}'</c> or
+ <c>#'DSAPrivateKey'{}</c> and the plaintext <c>Msg = binary()</c></item>
+ <item><c>PublicKey = #'RSAPublicKey'{}</c> or
+ <c>{integer(), #'DssParams'{}}</c></item>
+ </list>
+ <p>Then you can proceed as follows:</p>
<code>Signature = public_key:sign(Msg, sha, PrivateKey),
true = public_key:verify(Msg, sha, Signature, PublicKey),</code>
- <p>It might be appropriate to calculate the message digest before
- calling sign or verify and then you can use the none as second
- argument.</p>
+ <note><p>You normally do only one of the sign or verify operations,
+ and the peer does the other.</p></note>
+
+ <p>It can be appropriate to calculate the message digest before
+ calling <c>sign</c> or <c>verify</c>, and then use <c>none</c> as
+ second argument:</p>
<code>Digest = crypto:sha(Msg),
Signature = public_key:sign(Digest, none, PrivateKey),
-true = public_key:verify(Digest, none, Signature, PublicKey),
- </code>
+true = public_key:verify(Digest, none, Signature, PublicKey),</code>
</section>
<section>
- <title>SSH files</title>
+ <title>SSH Files</title>
<p>SSH typically uses PEM files for private keys but has its
- own file format for storing public keys. The erlang public_key
- application can be used to parse the content of SSH public key files.</p>
+ own file format for storing public keys. The <c>public_key</c>
+ application can be used to parse the content of SSH public-key files.</p>
<section>
- <title> RFC 4716 SSH public key files </title>
+ <title>RFC 4716 SSH Public-Key Files</title>
<p>RFC 4716 SSH files looks confusingly like PEM files,
- but there are some differences.</p>
+ but there are some differences:</p>
<code>1> {ok, SshBin} = file:read_file("ssh2_rsa_pub").
{ok, &lt;&lt;"---- BEGIN SSH2 PUBLIC KEY ----\nAAAA"...&gt;&gt;}</code>
- <p>This is equivalent to calling public_key:ssh_decode(SshBin, rfc4716_public_key).
+ <p>This is equivalent to calling <c>public_key:ssh_decode(SshBin, rfc4716_public_key)</c>:
</p>
<code>2> public_key:ssh_decode(SshBin, public_key).
[{#'RSAPublicKey'{modulus = 794430685...91663,
- publicExponent = 35}, []}]
-</code>
+ publicExponent = 35}, []}]</code>
</section>
<section>
- <title> Openssh public key format </title>
+ <title>OpenSSH Public-Key Format</title>
+ <p>OpenSSH public-key format looks as follows:</p>
<code>1> {ok, SshBin} = file:read_file("openssh_dsa_pub").
{ok,&lt;&lt;"ssh-dss AAAAB3Nza"...&gt;&gt;}</code>
- <p>This is equivalent to calling public_key:ssh_decode(SshBin, openssh_public_key).
+ <p>This is equivalent to calling <c>public_key:ssh_decode(SshBin, openssh_public_key)</c>:
</p>
<code>2> public_key:ssh_decode(SshBin, public_key).
[{{15642692...694280725,
#'Dss-Parms'{p = 17291273936...696123221,
q = 1255626590179665817295475654204371833735706001853,
g = 10454211196...480338645}},
- [{comment,"dhopson@VMUbuntu-DSH"}]}]
-</code>
+ [{comment,"dhopson@VMUbuntu-DSH"}]}]</code>
</section>
<section>
- <title> Known hosts - openssh format</title>
-
+ <title>Known Hosts - OpenSSH Format</title>
+ <p>Known hosts - OpenSSH format looks as follows:</p>
<code>1> {ok, SshBin} = file:read_file("known_hosts").
{ok,&lt;&lt;"hostname.domain.com,192.168.0.1 ssh-rsa AAAAB...&gt;&gt;}</code>
- <p>Returns a list of public keys and their related attributes
- each pair of key and attributes corresponds to one entry in
- the known hosts file.</p>
+ <p>Returns a list of public keys and their related attributes.
+ Each pair of key and attribute corresponds to one entry in
+ the known hosts file:</p>
<code>2> public_key:ssh_decode(SshBin, known_hosts).
[{#'RSAPublicKey'{modulus = 1498979460408...72721699,
@@ -461,19 +471,19 @@ true = public_key:verify(Digest, none, Signature, PublicKey),
{#'RSAPublicKey'{modulus = 14989794604088...2721699,
publicExponent = 35},
[{comment,"[email protected]"},
- {hostnames,["|1|BWO5qDxk/cFH0wa05JLdHn+j6xQ=|rXQvIxh5cDD3C43k5DPDamawVNA="]}]}]
-</code>
+ {hostnames,["|1|BWO5qDxk/cFH0wa05JLdHn+j6xQ=|rXQvIxh5cDD3C43k5DPDamawVNA="]}]}]</code>
</section>
<section>
- <title> Authorized keys - openssh format</title>
+ <title>Authorized Keys - OpenSSH Format</title>
+ <p>Authorized keys - OpenSSH format looks as follows:</p>
<code>1> {ok, SshBin} = file:read_file("auth_keys").
{ok, &lt;&lt;"command=\"dump /home\",no-pty,no-port-forwarding ssh-rsa AAA...&gt;&gt;}</code>
- <p>Returns a list of public keys and their related attributes
- each pair of key and attributes corresponds to one entry in
- the authorized key file.</p>
+ <p>Returns a list of public keys and their related attributes.
+ Each pair of key and attribute corresponds to one entry in
+ the authorized key file:</p>
<code>2> public_key:ssh_decode(SshBin, auth_keys).
[{#'RSAPublicKey'{modulus = 794430685...691663,
@@ -485,16 +495,15 @@ true = public_key:verify(Digest, none, Signature, PublicKey),
#'Dss-Parms'{p = 17291273936185...763696123221,
q = 1255626590179665817295475654204371833735706001853,
g = 10454211195705...60511039590076780999046480338645}},
- [{comment,"dhopson@VMUbuntu-DSH"}]}]
-</code>
+ [{comment,"dhopson@VMUbuntu-DSH"}]}]</code>
</section>
<section>
- <title> Creating an SSH file from public key data </title>
+ <title>Creating an SSH File from Public-Key Data</title>
<p>If you got a public key <c>PubKey</c> and a related list of
attributes <c>Attributes</c> as returned
- by ssh_decode/2 you can create a new ssh file for example</p>
+ by <c>ssh_decode/2</c>, you can create a new SSH file, for example:</p>
<code>N> SshBin = public_key:ssh_encode([{PubKey, Attributes}], openssh_public_key),
&lt;&lt;"ssh-rsa "...&gt;&gt;
N+1> file:write_file("id_rsa.pub", SshBin).