36 lines
806 B
C
36 lines
806 B
C
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/* 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(eax_state *eax, const unsigned char *pt, unsigned char *ct, unsigned long length)
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{
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int err;
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_ARGCHK(eax != NULL);
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_ARGCHK(pt != NULL);
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_ARGCHK(ct != NULL);
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/* encrypt */
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if ((err = ctr_encrypt(pt, ct, length, &eax->ctr)) != CRYPT_OK) {
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return err;
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}
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/* omac ciphertext */
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return omac_process(&eax->ctomac, ct, length);
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}
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#endif
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