Mercurial > dropbear
diff hash_memory.c @ 3:7faae8f46238 libtomcrypt-orig
Branch renaming
author | Matt Johnston <matt@ucc.asn.au> |
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date | Mon, 31 May 2004 18:25:41 +0000 |
parents | |
children | 5d99163f7e32 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/hash_memory.c Mon May 31 18:25:41 2004 +0000 @@ -0,0 +1,35 @@ +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + * + * Tom St Denis, [email protected], http://libtomcrypt.org + */ +#include "mycrypt.h" + +int hash_memory(int hash, const unsigned char *data, unsigned long len, unsigned char *dst, unsigned long *outlen) +{ + hash_state md; + int err; + + _ARGCHK(data != NULL); + _ARGCHK(dst != NULL); + _ARGCHK(outlen != NULL); + + if ((err = hash_is_valid(hash)) != CRYPT_OK) { + return err; + } + + if (*outlen < hash_descriptor[hash].hashsize) { + return CRYPT_BUFFER_OVERFLOW; + } + *outlen = hash_descriptor[hash].hashsize; + + hash_descriptor[hash].init(&md); + hash_descriptor[hash].process(&md, data, len); + hash_descriptor[hash].done(&md, dst); + return CRYPT_OK; +}