remove encauth ocb ocb3

[zpackage] / libtomcrypt / src / encauth / ocb / ocb_decrypt_verify_memory.c

diff --git a/libtomcrypt/src/encauth/ocb/ocb_decrypt_verify_memory.c b/libtomcrypt/src/encauth/ocb/ocb_decrypt_verify_memory.c
deleted file mode 100644 (file)
index a7a47f0..0000000
--- a/libtomcrypt/src/encauth/ocb/ocb_decrypt_verify_memory.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.
- */
-
-/**
-  @file ocb_decrypt_verify_memory.c
-  OCB implementation, helper to decrypt block of memory, by Tom St Denis
-*/
-#include "tomcrypt.h"
-
-#ifdef LTC_OCB_MODE
-
-/**
-   Decrypt and compare the tag with OCB.
-   @param cipher     The index of the cipher desired
-   @param key        The secret key
-   @param keylen     The length of the secret key (octets)
-   @param nonce      The session nonce (length of the block size of the block cipher)
-   @param ct         The ciphertext
-   @param ctlen      The length of the ciphertext (octets)
-   @param pt         [out] The plaintext
-   @param tag        The tag to compare against
-   @param taglen     The length of the tag (octets)
-   @param stat       [out] The result of the tag comparison (1==valid, 0==invalid)
-   @return CRYPT_OK if successful regardless of the tag comparison
-*/
-int ocb_decrypt_verify_memory(int cipher,
-    const unsigned char *key,    unsigned long keylen,
-    const unsigned char *nonce,
-    const unsigned char *ct,     unsigned long ctlen,
-          unsigned char *pt,
-    const unsigned char *tag,    unsigned long taglen,
-          int           *stat)
-{
-   int err;
-   ocb_state *ocb;
-
-   LTC_ARGCHK(key    != NULL);
-   LTC_ARGCHK(nonce  != NULL);
-   LTC_ARGCHK(pt     != NULL);
-   LTC_ARGCHK(ct     != NULL);
-   LTC_ARGCHK(tag    != NULL);
-   LTC_ARGCHK(stat    != NULL);
-
-   /* allocate memory */
-   ocb = XMALLOC(sizeof(ocb_state));
-   if (ocb == NULL) {
-      return CRYPT_MEM;
-   }
-
-   if ((err = ocb_init(ocb, cipher, key, keylen, nonce)) != CRYPT_OK) {
-      goto LBL_ERR;
-   }
-
-   while (ctlen > (unsigned long)ocb->block_len) {
-        if ((err = ocb_decrypt(ocb, ct, pt)) != CRYPT_OK) {
-            goto LBL_ERR;
-        }
-        ctlen   -= ocb->block_len;
-        pt      += ocb->block_len;
-        ct      += ocb->block_len;
-   }
-
-   err = ocb_done_decrypt(ocb, ct, ctlen, pt, tag, taglen, stat);
-LBL_ERR:
-#ifdef LTC_CLEAN_STACK
-   zeromem(ocb, sizeof(ocb_state));
-#endif
-
-   XFREE(ocb);
-
-   return err;
-}
-
-#endif
-
-/* ref:         $Format:%D$ */
-/* git commit:  $Format:%H$ */
-/* commit time: $Format:%ai$ */