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| -rw-r--r-- | Doc/lib/libsha.tex | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/Doc/lib/libsha.tex b/Doc/lib/libsha.tex index d9d7bf2..f7732dc 100644 --- a/Doc/lib/libsha.tex +++ b/Doc/lib/libsha.tex @@ -1,5 +1,5 @@ \section{\module{sha} --- - SHA message digest algorithm} + SHA-1 message digest algorithm} \declaremodule{builtin}{sha} \modulesynopsis{NIST's secure hash algorithm, SHA.} @@ -7,12 +7,13 @@ This module implements the interface to NIST's\index{NIST} secure hash -algorithm,\index{Secure Hash Algorithm} known as SHA. It is used in +algorithm,\index{Secure Hash Algorithm} known as SHA-1. SHA-1 is an +improved version of the original SHA hash algorithm. It is used in the same way as the \refmodule{md5} module:\ use \function{new()} to create an sha object, then feed this object with arbitrary strings using the \method{update()} method, and at any point you can ask it for the \dfn{digest} of the concatenation of the strings fed to it -so far.\index{checksum!SHA} SHA digests are 160 bits instead of +so far.\index{checksum!SHA} SHA-1 digests are 160 bits instead of MD5's 128 bits. |