diff options
| author | Sverker Eriksson <[email protected]> | 2012-08-16 16:38:31 +0200 |
|---|---|---|
| committer | Ingela Anderton Andin <[email protected]> | 2012-08-22 14:00:43 +0200 |
| commit | 42e65ffe5f2659d998ff0a7e5ebea2573c23a86f (patch) | |
| tree | 8b7ae8421c9f190712e5e24a5603dbee7f206c14 /lib/crypto/doc/src/crypto.xml | |
| parent | d830b644d86f07dbebd9c12926c22867442e1726 (diff) | |
| download | otp-42e65ffe5f2659d998ff0a7e5ebea2573c23a86f.tar.gz otp-42e65ffe5f2659d998ff0a7e5ebea2573c23a86f.tar.bz2 otp-42e65ffe5f2659d998ff0a7e5ebea2573c23a86f.zip | |
crypto: Add more generic hash interface
Diffstat (limited to 'lib/crypto/doc/src/crypto.xml')
| -rw-r--r-- | lib/crypto/doc/src/crypto.xml | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/lib/crypto/doc/src/crypto.xml b/lib/crypto/doc/src/crypto.xml index 36f8bc6deb..0d78dbc426 100644 --- a/lib/crypto/doc/src/crypto.xml +++ b/lib/crypto/doc/src/crypto.xml @@ -256,6 +256,57 @@ Mpint() = <![CDATA[<<ByteLen:32/integer-big, Bytes:ByteLen/binary>>]]> </desc> </func> <func> + <name>hash(Type, Data) -> Digest</name> + <fsummary></fsummary> + <type> + <v>Type = md4 | md5 | sha | sha224 | sha256 | sha384 | sha512</v> + <v>Data = iodata()</v> + <v>Digest = binary()</v> + </type> + <desc> + <p>Computes a message digest of type <c>Type</c> from <c>Data</c>.</p> + </desc> + </func> + <func> + <name>hash_init(Type) -> Context</name> + <fsummary></fsummary> + <type> + <v>Type = md4 | md5 | sha | sha224 | sha256 | sha384 | sha512</v> + </type> + <desc> + <p>Initializes the context for streaming hash operations. <c>Type</c> determines + which digest to use. The returned context should be used as argument + to <seealso marker="#hash_update/2">hash_update</seealso>.</p> + </desc> + </func> + <func> + <name>hash_update(Context, Data) -> NewContext</name> + <fsummary></fsummary> + <type> + <v>Data = iodata()</v> + </type> + <desc> + <p>Updates the digest represented by <c>Context</c> using the given <c>Data</c>. <c>Context</c> + must have been generated using <seealso marker="#hash_init/1">hash_init</seealso> + or a previous call to this function. <c>Data</c> can be any length. <c>NewContext</c> + must be passed into the next call to <c>hash_update</c> + or <seealso marker="#hash_final/1">hash_final</seealso>.</p> + </desc> + </func> + <func> + <name>hash_final(Context) -> Digest</name> + <fsummary></fsummary> + <type> + <v>Digest = binary()</v> + </type> + <desc> + <p>Finalizes the hash operation referenced by <c>Context</c> returned + from a previous call to <seealso marker="#hash_update/2">hash_update</seealso>. + The size of <c>Digest</c> is determined by the type of hash + function used to generate it.</p> + </desc> + </func> + <func> <name>md5_mac(Key, Data) -> Mac</name> <fsummary>Compute an <c>MD5 MAC</c>message authentification code</fsummary> <type> |