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c9bcca21e4
--HG-- branch : libtomcrypt-orig extra : convert_revision : 1626dca9b669f35fc7b143ba5133a7ea90a191d3
44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
/* LibTomCrypt, modular cryptographic library -- Tom St Denis
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*
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* LibTomCrypt is a library that provides various cryptographic
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* algorithms in a highly modular and flexible manner.
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*
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* The library is free for all purposes without any express
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* guarantee it works.
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*
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* Tom St Denis, tomstdenis@iahu.ca, http://libtomcrypt.org
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*/
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/* EAX Implementation by Tom St Denis */
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#include "mycrypt.h"
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#ifdef EAX_MODE
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int eax_encrypt_authenticate_memory(int cipher,
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const unsigned char *key, unsigned long keylen,
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const unsigned char *nonce, unsigned long noncelen,
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const unsigned char *header, unsigned long headerlen,
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const unsigned char *pt, unsigned long ptlen,
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unsigned char *ct,
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unsigned char *tag, unsigned long *taglen)
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{
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int err;
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eax_state eax;
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if ((err = eax_init(&eax, cipher, key, keylen, nonce, noncelen, header, headerlen)) != CRYPT_OK) {
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return err;
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}
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if ((err = eax_encrypt(&eax, pt, ct, ptlen)) != CRYPT_OK) {
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return err;
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}
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if ((err = eax_done(&eax, tag, taglen)) != CRYPT_OK) {
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return err;
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}
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return CRYPT_OK;
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}
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#endif
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