diff options
Diffstat (limited to 'libtomcrypt/src/encauth/eax/eax_decrypt_verify_memory.c')
| -rw-r--r-- | libtomcrypt/src/encauth/eax/eax_decrypt_verify_memory.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/libtomcrypt/src/encauth/eax/eax_decrypt_verify_memory.c b/libtomcrypt/src/encauth/eax/eax_decrypt_verify_memory.c index 7956142..8c6540f 100644 --- a/libtomcrypt/src/encauth/eax/eax_decrypt_verify_memory.c +++ b/libtomcrypt/src/encauth/eax/eax_decrypt_verify_memory.c @@ -5,8 +5,6 @@ * * The library is free for all purposes without any express * guarantee it works. - * - * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ /** @@ -57,6 +55,9 @@ int eax_decrypt_verify_memory(int cipher, /* default to zero */ *stat = 0; + /* limit taglen */ + taglen = MIN(taglen, MAXBLOCKSIZE); + /* allocate ram */ buf = XMALLOC(taglen); eax = XMALLOC(sizeof(*eax)); @@ -77,17 +78,17 @@ int eax_decrypt_verify_memory(int cipher, if ((err = eax_decrypt(eax, ct, pt, ctlen)) != CRYPT_OK) { goto LBL_ERR; } - + buflen = taglen; if ((err = eax_done(eax, buf, &buflen)) != CRYPT_OK) { goto LBL_ERR; } /* compare tags */ - if (buflen >= taglen && XMEMCMP(buf, tag, taglen) == 0) { + if (buflen >= taglen && XMEM_NEQ(buf, tag, taglen) == 0) { *stat = 1; } - + err = CRYPT_OK; LBL_ERR: #ifdef LTC_CLEAN_STACK @@ -103,6 +104,6 @@ LBL_ERR: #endif -/* $Source$ */ -/* $Revision$ */ -/* $Date$ */ +/* ref: $Format:%D$ */ +/* git commit: $Format:%H$ */ +/* commit time: $Format:%ai$ */ |