+++ /dev/null
-/* 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.
- */
-#include "tomcrypt.h"
-#include <stdarg.h>
-
-/**
- @file pmac_memory_multi.c
- PMAC implementation, process multiple blocks of memory, by Tom St Denis
-*/
-
-#ifdef LTC_PMAC
-
-/**
- PMAC multiple blocks of memory
- @param cipher The index of the cipher desired
- @param key The secret key
- @param keylen The length of the secret key (octets)
- @param out [out] Destination for the authentication tag
- @param outlen [in/out] The max size and resulting size of the authentication tag
- @param in The data you wish to send through PMAC
- @param inlen The length of data you wish to send through PMAC (octets)
- @param ... tuples of (data,len) pairs to PMAC, terminated with a (NULL,x) (x=don't care)
- @return CRYPT_OK if successful
-*/
-int pmac_memory_multi(int cipher,
- const unsigned char *key, unsigned long keylen,
- unsigned char *out, unsigned long *outlen,
- const unsigned char *in, unsigned long inlen, ...)
-{
- int err;
- pmac_state *pmac;
- va_list args;
- const unsigned char *curptr;
- unsigned long curlen;
-
- LTC_ARGCHK(key != NULL);
- LTC_ARGCHK(in != NULL);
- LTC_ARGCHK(out != NULL);
- LTC_ARGCHK(outlen != NULL);
-
- /* allocate ram for pmac state */
- pmac = XMALLOC(sizeof(pmac_state));
- if (pmac == NULL) {
- return CRYPT_MEM;
- }
-
- if ((err = pmac_init(pmac, cipher, key, keylen)) != CRYPT_OK) {
- goto LBL_ERR;
- }
- va_start(args, inlen);
- curptr = in;
- curlen = inlen;
- for (;;) {
- /* process buf */
- if ((err = pmac_process(pmac, curptr, curlen)) != CRYPT_OK) {
- goto LBL_ERR;
- }
- /* step to next */
- curptr = va_arg(args, const unsigned char*);
- if (curptr == NULL) {
- break;
- }
- curlen = va_arg(args, unsigned long);
- }
- if ((err = pmac_done(pmac, out, outlen)) != CRYPT_OK) {
- goto LBL_ERR;
- }
-LBL_ERR:
-#ifdef LTC_CLEAN_STACK
- zeromem(pmac, sizeof(pmac_state));
-#endif
- XFREE(pmac);
- va_end(args);
- return err;
-}
-
-#endif
-
-/* ref: $Format:%D$ */
-/* git commit: $Format:%H$ */
-/* commit time: $Format:%ai$ */