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https://github.com/clearml/dropbear
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a938f4cfe1
to branch 'au.asn.ucc.matt.dropbear' (head 02c413252c90e9de8e03d91e9939dde3029f5c0a) --HG-- extra : convert_revision : 52ccb0ad0587a62bc64aecb939adbb76546aac16
72 lines
1.8 KiB
C
72 lines
1.8 KiB
C
/* LibTomCrypt, modular cryptographic library -- Tom St Denis
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*
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* LibTomCrypt is a library that provides various cryptographic
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* algorithms in a highly modular and flexible manner.
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*
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* The library is free for all purposes without any express
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* guarantee it works.
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*
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* Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com
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*/
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#include "tomcrypt.h"
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/**
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@file f9_process.c
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f9 Support, Process a block through F9-MAC
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*/
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#ifdef LTC_F9_MODE
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/** f9-MAC a block of memory
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@param cipher Index of cipher to use
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@param key [in] Secret key
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@param keylen Length of key in octets
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@param in [in] Message to MAC
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@param inlen Length of input in octets
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@param out [out] Destination for the MAC tag
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@param outlen [in/out] Output size and final tag size
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Return CRYPT_OK on success.
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*/
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int f9_memory(int cipher,
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const unsigned char *key, unsigned long keylen,
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const unsigned char *in, unsigned long inlen,
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unsigned char *out, unsigned long *outlen)
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{
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f9_state *f9;
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int err;
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/* is the cipher valid? */
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if ((err = cipher_is_valid(cipher)) != CRYPT_OK) {
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return err;
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}
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/* Use accelerator if found */
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if (cipher_descriptor[cipher].f9_memory != NULL) {
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return cipher_descriptor[cipher].f9_memory(key, keylen, in, inlen, out, outlen);
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}
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f9 = XCALLOC(1, sizeof(*f9));
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if (f9 == NULL) {
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return CRYPT_MEM;
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}
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if ((err = f9_init(f9, cipher, key, keylen)) != CRYPT_OK) {
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goto done;
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}
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if ((err = f9_process(f9, in, inlen)) != CRYPT_OK) {
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goto done;
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}
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err = f9_done(f9, out, outlen);
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done:
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XFREE(f9);
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return err;
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}
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#endif
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/* $Source: /cvs/libtom/libtomcrypt/src/mac/f9/f9_memory.c,v $ */
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/* $Revision: 1.4 $ */
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/* $Date: 2006/11/21 23:02:42 $ */
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