remove omac

[zpackage] / libtomcrypt / src / mac / omac / omac_done.c

diff --git a/libtomcrypt/src/mac/omac/omac_done.c b/libtomcrypt/src/mac/omac/omac_done.c
deleted file mode 100644 (file)
index bf22523..0000000
--- a/libtomcrypt/src/mac/omac/omac_done.c
+++ /dev/null
@@ -1,84 +0,0 @@
-/* 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"
-
-/**
-  @file omac_done.c
-  OMAC1 support, terminate a stream, Tom St Denis
-*/
-
-#ifdef LTC_OMAC
-
-/**
-  Terminate an OMAC stream
-  @param omac   The OMAC state
-  @param out    [out] Destination for the authentication tag
-  @param outlen [in/out]  The max size and resulting size of the authentication tag
-  @return CRYPT_OK if successful
-*/
-int omac_done(omac_state *omac, unsigned char *out, unsigned long *outlen)
-{
-   int       err, mode;
-   unsigned  x;
-
-   LTC_ARGCHK(omac   != NULL);
-   LTC_ARGCHK(out    != NULL);
-   LTC_ARGCHK(outlen != NULL);
-   if ((err = cipher_is_valid(omac->cipher_idx)) != CRYPT_OK) {
-      return err;
-   }
-
-   if ((omac->buflen > (int)sizeof(omac->block)) || (omac->buflen < 0) ||
-       (omac->blklen > (int)sizeof(omac->block)) || (omac->buflen > omac->blklen)) {
-      return CRYPT_INVALID_ARG;
-   }
-
-   /* figure out mode */
-   if (omac->buflen != omac->blklen) {
-      /* add the 0x80 byte */
-      omac->block[omac->buflen++] = 0x80;
-
-      /* pad with 0x00 */
-      while (omac->buflen < omac->blklen) {
-         omac->block[omac->buflen++] = 0x00;
-      }
-      mode = 1;
-   } else {
-      mode = 0;
-   }
-
-   /* now xor prev + Lu[mode] */
-   for (x = 0; x < (unsigned)omac->blklen; x++) {
-       omac->block[x] ^= omac->prev[x] ^ omac->Lu[mode][x];
-   }
-
-   /* encrypt it */
-   if ((err = cipher_descriptor[omac->cipher_idx].ecb_encrypt(omac->block, omac->block, &omac->key)) != CRYPT_OK) {
-      return err;
-   }
-   cipher_descriptor[omac->cipher_idx].done(&omac->key);
-
-   /* output it */
-   for (x = 0; x < (unsigned)omac->blklen && x < *outlen; x++) {
-       out[x] = omac->block[x];
-   }
-   *outlen = x;
-
-#ifdef LTC_CLEAN_STACK
-   zeromem(omac, sizeof(*omac));
-#endif
-   return CRYPT_OK;
-}
-
-#endif
-
-
-/* ref:         $Format:%D$ */
-/* git commit:  $Format:%H$ */
-/* commit time: $Format:%ai$ */