Mercurial > dropbear
view eax_decrypt.c @ 164:cd1143579f00 libtomcrypt LTC_DB_0.44
mpi.c isn't needed if we're using libtommath seperately
author | Matt Johnston <matt@ucc.asn.au> |
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date | Sun, 02 Jan 2005 17:19:46 +0000 |
parents | d7da3b1e1540 |
children |
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/* 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_decrypt(eax_state *eax, const unsigned char *ct, unsigned char *pt, unsigned long length) { int err; _ARGCHK(eax != NULL); _ARGCHK(pt != NULL); _ARGCHK(ct != NULL); /* omac ciphertext */ if ((err = omac_process(&eax->ctomac, ct, length)) != CRYPT_OK) { return err; } /* decrypt */ return ctr_decrypt(ct, pt, length, &eax->ctr); } #endif