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<?xml version="1.0" encoding="utf-8" ?>
<!DOCTYPE chapter SYSTEM "chapter.dtd">
<chapter>
<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>Public-Key Records</title>
<prepared>Ingela Anderton Andin</prepared>
<responsible></responsible>
<docno></docno>
<approved></approved>
<checked></checked>
<date>2008-02-06</date>
<rev>A</rev>
<file>public_key_records.xml</file>
</header>
<p>This section briefly describes Erlang records derived from ASN.1
specifications used to handle public and private keys.
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>
<code> -include_lib("public_key/include/public_key.hrl"). </code>
<section>
<title>Common Data Types</title>
<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>.</p>
</section>
<section>
<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'{
modulus, % integer()
publicExponent % integer()
}.
#'RSAPrivateKey'{
version, % two-prime | multi
modulus, % integer()
publicExponent, % integer()
privateExponent, % integer()
prime1, % integer()
prime2, % integer()
exponent1, % integer()
exponent2, % integer()
coefficient, % integer()
otherPrimeInfos % [#OtherPrimeInfo{}] | asn1_NOVALUE
}.
#'OtherPrimeInfo'{
prime, % integer()
exponent, % integer()
coefficient % integer()
}. </code>
</section>
<section>
<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',{
version, % integer()
p, % integer()
q, % integer()
g, % integer()
y, % integer()
x % integer()
}.
#'Dss-Parms',{
p, % integer()
q, % integer()
g % integer()
}. </code>
</section>
<section>
<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'{
version, % integer()
privateKey, % binary()
parameters, % der_encoded() - {'EcpkParameters', #'ECParameters'{}} |
{'EcpkParameters', {namedCurve, oid()}} |
{'EcpkParameters', 'NULL'} % Inherited by CA
publicKey % bitstring()
}.
#'ECParameters'{
version, % integer()
fieldID, % #'FieldID'{}
curve, % #'Curve'{}
base, % binary()
order, % integer()
cofactor % integer()
}.
#'Curve'{
a, % binary()
b, % binary()
seed % bitstring() - optional
}.
#'FieldID'{
fieldType, % oid()
parameters % Depending on fieldType
}.
#'ECPoint'{
point % binary() - the public key
}.
</code>
</section>
</chapter>
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