diff options
Diffstat (limited to 'lib/crypto/doc')
-rw-r--r-- | lib/crypto/doc/src/crypto.xml | 35 | ||||
-rw-r--r-- | lib/crypto/doc/src/notes.xml | 53 |
2 files changed, 80 insertions, 8 deletions
diff --git a/lib/crypto/doc/src/crypto.xml b/lib/crypto/doc/src/crypto.xml index 7712173ed8..271130a9e6 100644 --- a/lib/crypto/doc/src/crypto.xml +++ b/lib/crypto/doc/src/crypto.xml @@ -41,7 +41,7 @@ </item> <item> <p>Block ciphers - <url href="http://csrc.nist.gov/groups/ST/toolkit/block_ciphers.html"> </url> DES and AES in - Block Cipher Modes - <url href="http://csrc.nist.gov/groups/ST/toolkit/BCM/index.html"> ECB, CBC, CFB, OFB and CTR </url></p> + Block Cipher Modes - <url href="http://csrc.nist.gov/groups/ST/toolkit/BCM/index.html"> ECB, CBC, CFB, OFB, CTR and GCM </url></p> </item> <item> <p><url href="http://www.ietf.org/rfc/rfc1321.txt"> RSA encryption RFC 1321 </url> </p> @@ -53,6 +53,12 @@ <item> <p><url href="http://www.ietf.org/rfc/rfc2945.txt"> Secure Remote Password Protocol (SRP - RFC 2945) </url></p> </item> + <item> + <p>gcm: Dworkin, M., "Recommendation for Block Cipher Modes of + Operation: Galois/Counter Mode (GCM) and GMAC", + National Institute of Standards and Technology SP 800- + 38D, November 2007.</p> + </item> </list> </description> @@ -132,6 +138,8 @@ blowfish_cfb64 | des_cbc | des_cfb | des3_cbc | des3_cbf | des_ede3 | rc2_cbc </code></p> + <p><code>aead_cipher() = aes_gcm | chacha20_poly1305 </code></p> + <p><code>stream_key() = aes_key() | rc4_key() </code></p> <p><code>block_key() = aes_key() | blowfish_key() | des_key()| des3_key() </code></p> @@ -152,7 +160,7 @@ Note that both md4 and md5 are recommended only for compatibility with existing applications. </p> <p><code> cipher_algorithms() = des_cbc | des_cfb | des3_cbc | des3_cbf | des_ede3 | - blowfish_cbc | blowfish_cfb64 | aes_cbc128 | aes_cfb8 | aes_cfb128| aes_cbc256 | aes_ige256 | rc2_cbc | aes_ctr| rc4 </code> </p> + blowfish_cbc | blowfish_cfb64 | aes_cbc128 | aes_cfb8 | aes_cfb128| aes_cbc256 | aes_ige256 | aes_gcm | chacha20_poly1305 | rc2_cbc | aes_ctr| rc4 </code> </p> <p><code> public_key_algorithms() = rsa |dss | ecdsa | dh | ecdh | ec_gf2m</code> Note that ec_gf2m is not strictly a public key algorithm, but a restriction on what curves are supported with ecdsa and ecdh. @@ -161,18 +169,23 @@ </section> <funcs> - <func> + <func> <name>block_encrypt(Type, Key, Ivec, PlainText) -> CipherText</name> - <fsummary>Encrypt <c>PlainText</c>according to <c>Type</c> block cipher</fsummary> + <name>block_encrypt(AeadType, Key, Ivec, {AAD, PlainText}) -> {CipherText, CipherTag}</name> + <fsummary>Encrypt <c>PlainText</c> according to <c>Type</c> block cipher</fsummary> <type> <v>Type = block_cipher() </v> + <v>AeadType = aead_cipher() </v> <v>Key = block_key() </v> <v>PlainText = iodata() </v> - <v>IVec = CipherText = binary()</v> + <v>AAD = IVec = CipherText = CipherTag = binary()</v> </type> <desc> <p>Encrypt <c>PlainText</c>according to <c>Type</c> block cipher. <c>IVec</c> is an arbitrary initializing vector.</p> + <p>In AEAD (Authenticated Encryption with Associated Data) mode, encrypt + <c>PlainText</c>according to <c>Type</c> block cipher and calculate + <c>CipherTag</c> that also authenticates the <c>AAD</c> (Associated Authenticated Data).</p> <p>May throw exception <c>notsup</c> in case the chosen <c>Type</c> is not supported by the underlying OpenSSL implementation.</p> </desc> @@ -180,16 +193,22 @@ <func> <name>block_decrypt(Type, Key, Ivec, CipherText) -> PlainText</name> - <fsummary>Decrypt <c>CipherText</c>according to <c>Type</c> block cipher</fsummary> + <name>block_decrypt(AeadType, Key, Ivec, {AAD, CipherText, CipherTag}) -> PlainText | error</name> + <fsummary>Decrypt <c>CipherText</c> according to <c>Type</c> block cipher</fsummary> <type> <v>Type = block_cipher() </v> + <v>AeadType = aead_cipher() </v> <v>Key = block_key() </v> <v>PlainText = iodata() </v> - <v>IVec = CipherText = binary()</v> + <v>AAD = IVec = CipherText = CipherTag = binary()</v> </type> <desc> <p>Decrypt <c>CipherText</c>according to <c>Type</c> block cipher. <c>IVec</c> is an arbitrary initializing vector.</p> + <p>In AEAD (Authenticated Encryption with Associated Data) mode, decrypt + <c>CipherText</c>according to <c>Type</c> block cipher and check the authenticity + the <c>PlainText</c> and <c>AAD</c> (Associated Authenticated Data) using the + <c>CipherTag</c>. May return <c>error</c> if the decryption or validation fail's</p> <p>May throw exception <c>notsup</c> in case the chosen <c>Type</c> is not supported by the underlying OpenSSL implementation.</p> </desc> @@ -693,7 +712,7 @@ <p>Decrypts <c>CipherText</c> according to the stream cipher <c>Type</c> specified in stream_init/3. <c>PlainText</c> can be any number of bytes. The initial <c>State</c> is created using <seealso marker="#stream_init-2">stream_init</seealso>. - <c>NewState</c> must be passed into the next call to <c>stream_encrypt</c>.</p> + <c>NewState</c> must be passed into the next call to <c>stream_decrypt</c>.</p> </desc> </func> diff --git a/lib/crypto/doc/src/notes.xml b/lib/crypto/doc/src/notes.xml index 34f2e3c469..82b6de9acd 100644 --- a/lib/crypto/doc/src/notes.xml +++ b/lib/crypto/doc/src/notes.xml @@ -30,6 +30,59 @@ </header> <p>This document describes the changes made to the Crypto application.</p> +<section><title>Crypto 3.4.1</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Make <c>crypto</c> verify major version number of OpenSSL + header files and runtime library. Loading of + <c>crypto</c> will fail if there is a version mismatch.</p> + <p> + Own Id: OTP-12146 Aux Id: seq12700 </p> + </item> + </list> + </section> + +</section> + +<section><title>Crypto 3.4</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Fix memory leak in <c>crypto:hmac_init/upgrade/final</c> + functions for all data and in <c>crypto:hmac/3/4</c> for + data larger than 20000 bytes. Bug exists since OTP 17.0.</p> + <p> + Own Id: OTP-11953</p> + </item> + <item> + <p> + Fix memory leak in <c>crypto</c> for elliptic curve.</p> + <p> + Own Id: OTP-11999</p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + Add <c>aes_cfb8</c> cypher to <c>crypto:block_encrypt</c> + and <c>block_decrypt</c>.</p> + <p> + Own Id: OTP-11911</p> + </item> + </list> + </section> + +</section> + <section><title>Crypto 3.3</title> <section><title>Fixed Bugs and Malfunctions</title> |