initial cleanup of unused parts of ltc

[zpackage] / libtomcrypt / src / mac / f9 / f9_done.c

diff --git a/libtomcrypt/src/mac/f9/f9_done.c b/libtomcrypt/src/mac/f9/f9_done.c
deleted file mode 100644 (file)
index 8d2ccb0..0000000
--- a/libtomcrypt/src/mac/f9/f9_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 f9_done.c
-  f9 Support, terminate the state
-*/
-
-#ifdef LTC_F9_MODE
-
-/** Terminate the f9-MAC state
-  @param f9     f9 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 f9_done(f9_state *f9, unsigned char *out, unsigned long *outlen)
-{
-   int err, x;
-   LTC_ARGCHK(f9 != NULL);
-   LTC_ARGCHK(out  != NULL);
-
-   /* check structure */
-   if ((err = cipher_is_valid(f9->cipher)) != CRYPT_OK) {
-      return err;
-   }
-
-   if ((f9->blocksize > cipher_descriptor[f9->cipher].block_length) || (f9->blocksize < 0) ||
-       (f9->buflen > f9->blocksize) || (f9->buflen < 0)) {
-      return CRYPT_INVALID_ARG;
-   }
-
-   if (f9->buflen != 0) {
-      /* encrypt */
-      cipher_descriptor[f9->cipher].ecb_encrypt(f9->IV, f9->IV, &f9->key);
-      f9->buflen = 0;
-      for (x = 0; x < f9->blocksize; x++) {
-         f9->ACC[x] ^= f9->IV[x];
-      }
-   }
-
-   /* schedule modified key */
-   if ((err = cipher_descriptor[f9->cipher].setup(f9->akey, f9->keylen, 0, &f9->key)) != CRYPT_OK) {
-      return err;
-   }
-
-   /* encrypt the ACC */
-   cipher_descriptor[f9->cipher].ecb_encrypt(f9->ACC, f9->ACC, &f9->key);
-   cipher_descriptor[f9->cipher].done(&f9->key);
-
-   /* extract tag */
-   for (x = 0; x < f9->blocksize && (unsigned long)x < *outlen; x++) {
-      out[x] = f9->ACC[x];
-   }
-   *outlen = x;
-
-#ifdef LTC_CLEAN_STACK
-   zeromem(f9, sizeof(*f9));
-#endif
-   return CRYPT_OK;
-}
-
-#endif
-
-/* ref:         $Format:%D$ */
-/* git commit:  $Format:%H$ */
-/* commit time: $Format:%ai$ */
-