remove xcbc

[zpackage] / libtomcrypt / src / mac / xcbc / xcbc_done.c

diff --git a/libtomcrypt/src/mac/xcbc/xcbc_done.c b/libtomcrypt/src/mac/xcbc/xcbc_done.c
deleted file mode 100644 (file)
index 133d16f..0000000
--- a/libtomcrypt/src/mac/xcbc/xcbc_done.c
+++ /dev/null
@@ -1,75 +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 xcbc_done.c
-  XCBC Support, terminate the state
-*/
-
-#ifdef LTC_XCBC
-
-/** Terminate the XCBC-MAC state
-  @param xcbc     XCBC state to terminate
-  @param out      [out] Destination for the MAC tag
-  @param outlen   [in/out] Destination size and final tag size
-  Return CRYPT_OK on success
-*/
-int xcbc_done(xcbc_state *xcbc, unsigned char *out, unsigned long *outlen)
-{
-   int err, x;
-   LTC_ARGCHK(xcbc != NULL);
-   LTC_ARGCHK(out  != NULL);
-
-   /* check structure */
-   if ((err = cipher_is_valid(xcbc->cipher)) != CRYPT_OK) {
-      return err;
-   }
-
-   if ((xcbc->blocksize > cipher_descriptor[xcbc->cipher].block_length) || (xcbc->blocksize < 0) ||
-       (xcbc->buflen > xcbc->blocksize) || (xcbc->buflen < 0)) {
-      return CRYPT_INVALID_ARG;
-   }
-
-   /* which key do we use? */
-   if (xcbc->buflen == xcbc->blocksize) {
-      /* k2 */
-      for (x = 0; x < xcbc->blocksize; x++) {
-         xcbc->IV[x] ^= xcbc->K[1][x];
-      }
-   } else {
-      xcbc->IV[xcbc->buflen] ^= 0x80;
-      /* k3 */
-      for (x = 0; x < xcbc->blocksize; x++) {
-         xcbc->IV[x] ^= xcbc->K[2][x];
-      }
-   }
-
-   /* encrypt */
-   cipher_descriptor[xcbc->cipher].ecb_encrypt(xcbc->IV, xcbc->IV, &xcbc->key);
-   cipher_descriptor[xcbc->cipher].done(&xcbc->key);
-
-   /* extract tag */
-   for (x = 0; x < xcbc->blocksize && (unsigned long)x < *outlen; x++) {
-      out[x] = xcbc->IV[x];
-   }
-   *outlen = x;
-
-#ifdef LTC_CLEAN_STACK
-   zeromem(xcbc, sizeof(*xcbc));
-#endif
-   return CRYPT_OK;
-}
-
-#endif
-
-/* ref:         $Format:%D$ */
-/* git commit:  $Format:%H$ */
-/* commit time: $Format:%ai$ */
-