Mercurial > dropbear
view libtomcrypt/src/mac/f9/f9_init.c @ 1876:bfd0f3248df3
added quiet variable in cli_opts
author | HansH111 <hans@atbas.org> |
---|---|
date | Sun, 13 Mar 2022 14:16:50 +0000 |
parents | 6dba84798cd5 |
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. */ #include "tomcrypt.h" /** @file f9_init.c F9 Support, start an F9 state */ #ifdef LTC_F9_MODE /** Initialize F9-MAC state @param f9 [out] f9 state to initialize @param cipher Index of cipher to use @param key [in] Secret key @param keylen Length of secret key in octets Return CRYPT_OK on success */ int f9_init(f9_state *f9, int cipher, const unsigned char *key, unsigned long keylen) { int x, err; LTC_ARGCHK(f9 != NULL); LTC_ARGCHK(key != NULL); /* schedule the key */ if ((err = cipher_is_valid(cipher)) != CRYPT_OK) { return err; } #ifdef LTC_FAST if (cipher_descriptor[cipher].block_length % sizeof(LTC_FAST_TYPE)) { return CRYPT_INVALID_ARG; } #endif if ((err = cipher_descriptor[cipher].setup(key, keylen, 0, &f9->key)) != CRYPT_OK) { goto done; } /* make the second key */ for (x = 0; (unsigned)x < keylen; x++) { f9->akey[x] = key[x] ^ 0xAA; } /* setup struct */ zeromem(f9->IV, cipher_descriptor[cipher].block_length); zeromem(f9->ACC, cipher_descriptor[cipher].block_length); f9->blocksize = cipher_descriptor[cipher].block_length; f9->cipher = cipher; f9->buflen = 0; f9->keylen = keylen; done: return err; } #endif /* ref: $Format:%D$ */ /* git commit: $Format:%H$ */ /* commit time: $Format:%ai$ */