Mercurial > dropbear
diff eax_encrypt_authenticate_memory.c @ 3:7faae8f46238 libtomcrypt-orig
Branch renaming
author | Matt Johnston <matt@ucc.asn.au> |
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date | Mon, 31 May 2004 18:25:41 +0000 |
parents | |
children | 5d99163f7e32 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/eax_encrypt_authenticate_memory.c Mon May 31 18:25:41 2004 +0000 @@ -0,0 +1,43 @@ +/* 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. + * + * Tom St Denis, [email protected], http://libtomcrypt.org + */ + +/* EAX Implementation by Tom St Denis */ +#include "mycrypt.h" + +#ifdef EAX_MODE + +int eax_encrypt_authenticate_memory(int cipher, + const unsigned char *key, unsigned long keylen, + const unsigned char *nonce, unsigned long noncelen, + const unsigned char *header, unsigned long headerlen, + const unsigned char *pt, unsigned long ptlen, + unsigned char *ct, + unsigned char *tag, unsigned long *taglen) +{ + int err; + eax_state eax; + + if ((err = eax_init(&eax, cipher, key, keylen, nonce, noncelen, header, headerlen)) != CRYPT_OK) { + return err; + } + + if ((err = eax_encrypt(&eax, pt, ct, ptlen)) != CRYPT_OK) { + return err; + } + + if ((err = eax_done(&eax, tag, taglen)) != CRYPT_OK) { + return err; + } + + return CRYPT_OK; +} + +#endif