diff options
Diffstat (limited to 'lib/libmd/ripemd.3')
| -rw-r--r-- | lib/libmd/ripemd.3 | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/lib/libmd/ripemd.3 b/lib/libmd/ripemd.3 index 352d452..ed71be5 100644 --- a/lib/libmd/ripemd.3 +++ b/lib/libmd/ripemd.3 @@ -18,6 +18,7 @@ .Nm RIPEMD160_Final , .Nm RIPEMD160_End , .Nm RIPEMD160_File , +.Nm RIPEMD160_FileChunk , .Nm RIPEMD160_Data .Nd calculate the RIPEMD160 message digest .Sh LIBRARY @@ -36,6 +37,8 @@ .Ft "char *" .Fn RIPEMD160_File "const char *filename" "char *buf" .Ft "char *" +.Fn RIPEMD160_FileChunk "const char *filename" "char *buf" "off_t offset" "off_t length" +.Ft "char *" .Fn RIPEMD160_Data "const unsigned char *data" "unsigned int len" "char *buf" .Sh DESCRIPTION The @@ -72,6 +75,23 @@ calculates the digest of a file, and uses .Fn RIPEMD160_End to return the result. If the file cannot be opened, a null pointer is returned. +.Fn RIPEMD160_FileChunk +is similar to +.Fn RIPEMD160_File , +but it only calculates the digest over a byte-range of the file specified, +starting at +.Ar offset +and spanning +.Ar length +bytes. +If the +.Ar length +parameter is specified as 0, or more than the length of the remaining part +of the file, +.Fn RIPEMD160_FileChunk +calculates the digest from +.Ar offset +to the end of file. .Fn RIPEMD160_Data calculates the digest of a chunk of data in memory, and uses .Fn RIPEMD160_End |
