475 lines
10 KiB
C
475 lines
10 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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#include "common.h"
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/**
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@file common.c
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Steffen Jaeckel
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*/
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void run_cmd(int res, int line, char *file, char *cmd, const char *algorithm)
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{
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if (res != CRYPT_OK) {
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fprintf(stderr, "%s (%d)%s%s\n%s:%d:%s\n",
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error_to_string(res), res,
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(algorithm ? " - " : ""), (algorithm ? algorithm : ""),
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file, line, cmd);
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if (res != CRYPT_NOP) {
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exit(EXIT_FAILURE);
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}
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}
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}
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void print_hex(const char* what, const void* v, const unsigned long l)
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{
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const unsigned char* p = v;
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unsigned long x, y = 0, z;
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fprintf(stderr, "%s contents: \n", what);
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for (x = 0; x < l; ) {
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fprintf(stderr, "%02X ", p[x]);
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if (!(++x % 16) || x == l) {
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if((x % 16) != 0) {
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z = 16 - (x % 16);
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if(z >= 8)
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fprintf(stderr, " ");
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for (; z != 0; --z) {
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fprintf(stderr, " ");
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}
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}
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fprintf(stderr, " | ");
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for(; y < x; y++) {
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if((y % 8) == 0)
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fprintf(stderr, " ");
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if(isgraph(p[y]))
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fprintf(stderr, "%c", p[y]);
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else
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fprintf(stderr, ".");
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}
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fprintf(stderr, "\n");
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}
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else if((x % 8) == 0) {
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fprintf(stderr, " ");
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}
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}
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}
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#ifndef compare_testvector
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int compare_testvector(const void* is, const unsigned long is_len, const void* should, const unsigned long should_len, const char* what, int which)
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{
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int res = 0;
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if(is_len != should_len)
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res = is_len > should_len ? -1 : 1;
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else
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res = XMEMCMP(is, should, MAX(is_len, should_len));
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if (res != 0) {
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fprintf(stderr, "Testvector #%i of %s failed:\n", which, what);
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print_hex("SHOULD", should, should_len);
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print_hex("IS ", is, is_len);
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}
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return res;
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}
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#endif
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prng_state yarrow_prng;
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/*
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* unregister ciphers, hashes & prngs
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*/
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static void _unregister_all(void)
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{
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#ifdef LTC_RIJNDAEL
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unregister_cipher(&aes_desc);
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#endif
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#ifdef LTC_BLOWFISH
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unregister_cipher(&blowfish_desc);
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#endif
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#ifdef LTC_XTEA
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unregister_cipher(&xtea_desc);
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#endif
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#ifdef LTC_RC5
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unregister_cipher(&rc5_desc);
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#endif
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#ifdef LTC_RC6
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unregister_cipher(&rc6_desc);
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#endif
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#ifdef LTC_SAFERP
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unregister_cipher(&saferp_desc);
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#endif
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#ifdef LTC_TWOFISH
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unregister_cipher(&twofish_desc);
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#endif
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#ifdef LTC_SAFER
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unregister_cipher(&safer_k64_desc);
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unregister_cipher(&safer_sk64_desc);
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unregister_cipher(&safer_k128_desc);
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unregister_cipher(&safer_sk128_desc);
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#endif
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#ifdef LTC_RC2
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unregister_cipher(&rc2_desc);
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#endif
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#ifdef LTC_DES
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unregister_cipher(&des_desc);
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unregister_cipher(&des3_desc);
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#endif
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#ifdef LTC_CAST5
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unregister_cipher(&cast5_desc);
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#endif
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#ifdef LTC_NOEKEON
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unregister_cipher(&noekeon_desc);
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#endif
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#ifdef LTC_SKIPJACK
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unregister_cipher(&skipjack_desc);
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#endif
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#ifdef LTC_KHAZAD
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unregister_cipher(&khazad_desc);
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#endif
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#ifdef LTC_ANUBIS
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unregister_cipher(&anubis_desc);
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#endif
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#ifdef LTC_KSEED
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unregister_cipher(&kseed_desc);
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#endif
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#ifdef LTC_KASUMI
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unregister_cipher(&kasumi_desc);
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#endif
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#ifdef LTC_MULTI2
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unregister_cipher(&multi2_desc);
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#endif
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#ifdef LTC_CAMELLIA
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unregister_cipher(&camellia_desc);
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#endif
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#ifdef LTC_TIGER
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unregister_hash(&tiger_desc);
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#endif
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#ifdef LTC_MD2
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unregister_hash(&md2_desc);
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#endif
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#ifdef LTC_MD4
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unregister_hash(&md4_desc);
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#endif
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#ifdef LTC_MD5
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unregister_hash(&md5_desc);
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#endif
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#ifdef LTC_SHA1
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unregister_hash(&sha1_desc);
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#endif
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#ifdef LTC_SHA224
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unregister_hash(&sha224_desc);
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#endif
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#ifdef LTC_SHA256
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unregister_hash(&sha256_desc);
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#endif
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#ifdef LTC_SHA384
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unregister_hash(&sha384_desc);
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#endif
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#ifdef LTC_SHA512
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unregister_hash(&sha512_desc);
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#endif
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#ifdef LTC_SHA512_224
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unregister_hash(&sha512_224_desc);
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#endif
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#ifdef LTC_SHA512_256
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unregister_hash(&sha512_256_desc);
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#endif
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#ifdef LTC_SHA3
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unregister_hash(&sha3_224_desc);
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unregister_hash(&sha3_256_desc);
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unregister_hash(&sha3_384_desc);
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unregister_hash(&sha3_512_desc);
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#endif
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#ifdef LTC_RIPEMD128
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unregister_hash(&rmd128_desc);
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#endif
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#ifdef LTC_RIPEMD160
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unregister_hash(&rmd160_desc);
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#endif
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#ifdef LTC_RIPEMD256
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unregister_hash(&rmd256_desc);
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#endif
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#ifdef LTC_RIPEMD320
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unregister_hash(&rmd320_desc);
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#endif
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#ifdef LTC_WHIRLPOOL
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unregister_hash(&whirlpool_desc);
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#endif
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#ifdef LTC_BLAKE2S
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unregister_hash(&blake2s_128_desc);
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unregister_hash(&blake2s_160_desc);
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unregister_hash(&blake2s_224_desc);
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unregister_hash(&blake2s_256_desc);
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#endif
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#ifdef LTC_BLAKE2B
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unregister_hash(&blake2b_160_desc);
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unregister_hash(&blake2b_256_desc);
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unregister_hash(&blake2b_384_desc);
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unregister_hash(&blake2b_512_desc);
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#endif
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#ifdef LTC_CHC_HASH
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unregister_hash(&chc_desc);
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#endif
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unregister_prng(&yarrow_desc);
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#ifdef LTC_FORTUNA
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unregister_prng(&fortuna_desc);
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#endif
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#ifdef LTC_RC4
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unregister_prng(&rc4_desc);
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#endif
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#ifdef LTC_CHACHA20_PRNG
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unregister_prng(&chacha20_prng_desc);
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#endif
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#ifdef LTC_SOBER128
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unregister_prng(&sober128_desc);
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#endif
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} /* _cleanup() */
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#ifdef LTC_PRNG_ENABLE_LTC_RNG
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static unsigned long my_test_rng_read;
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static unsigned long my_test_rng(unsigned char *buf, unsigned long len,
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void (*callback)(void))
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{
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unsigned long n;
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LTC_UNUSED_PARAM(callback);
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for (n = 0; n < len; ++n) {
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buf[n] = 4;
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}
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my_test_rng_read += n;
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return n;
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}
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#endif
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void register_algs(void)
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{
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#ifdef LTC_PRNG_ENABLE_LTC_RNG
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unsigned long before;
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#endif
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int err;
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atexit(_unregister_all);
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#ifdef LTC_RIJNDAEL
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#ifdef ENCRYPT_ONLY
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/* alternative would be
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* register_cipher (&rijndael_enc_desc);
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*/
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register_cipher (&aes_enc_desc);
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#else
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/* alternative would be
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* register_cipher (&rijndael_desc);
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*/
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register_cipher (&aes_desc);
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#endif
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#endif
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#ifdef LTC_BLOWFISH
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register_cipher (&blowfish_desc);
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#endif
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#ifdef LTC_XTEA
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register_cipher (&xtea_desc);
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#endif
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#ifdef LTC_RC5
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register_cipher (&rc5_desc);
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#endif
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#ifdef LTC_RC6
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register_cipher (&rc6_desc);
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#endif
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#ifdef LTC_SAFERP
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register_cipher (&saferp_desc);
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#endif
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#ifdef LTC_TWOFISH
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register_cipher (&twofish_desc);
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#endif
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#ifdef LTC_SAFER
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register_cipher (&safer_k64_desc);
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register_cipher (&safer_sk64_desc);
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register_cipher (&safer_k128_desc);
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register_cipher (&safer_sk128_desc);
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#endif
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#ifdef LTC_RC2
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register_cipher (&rc2_desc);
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#endif
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#ifdef LTC_DES
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register_cipher (&des_desc);
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register_cipher (&des3_desc);
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#endif
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#ifdef LTC_CAST5
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register_cipher (&cast5_desc);
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#endif
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#ifdef LTC_NOEKEON
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register_cipher (&noekeon_desc);
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#endif
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#ifdef LTC_SKIPJACK
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register_cipher (&skipjack_desc);
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#endif
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#ifdef LTC_ANUBIS
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register_cipher (&anubis_desc);
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#endif
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#ifdef LTC_KHAZAD
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register_cipher (&khazad_desc);
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#endif
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#ifdef LTC_KSEED
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register_cipher (&kseed_desc);
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#endif
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#ifdef LTC_KASUMI
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register_cipher (&kasumi_desc);
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#endif
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#ifdef LTC_MULTI2
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register_cipher (&multi2_desc);
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#endif
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#ifdef LTC_CAMELLIA
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register_cipher (&camellia_desc);
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#endif
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#ifdef LTC_TIGER
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register_hash (&tiger_desc);
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#endif
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#ifdef LTC_MD2
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register_hash (&md2_desc);
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#endif
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#ifdef LTC_MD4
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register_hash (&md4_desc);
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#endif
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#ifdef LTC_MD5
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register_hash (&md5_desc);
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#endif
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#ifdef LTC_SHA1
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register_hash (&sha1_desc);
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#endif
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#ifdef LTC_SHA224
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register_hash (&sha224_desc);
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#endif
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#ifdef LTC_SHA256
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register_hash (&sha256_desc);
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#endif
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#ifdef LTC_SHA384
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register_hash (&sha384_desc);
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#endif
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#ifdef LTC_SHA512
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register_hash (&sha512_desc);
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#endif
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#ifdef LTC_SHA512_224
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register_hash (&sha512_224_desc);
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#endif
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#ifdef LTC_SHA512_256
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register_hash (&sha512_256_desc);
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#endif
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#ifdef LTC_SHA3
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register_hash (&sha3_224_desc);
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register_hash (&sha3_256_desc);
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register_hash (&sha3_384_desc);
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register_hash (&sha3_512_desc);
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#endif
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#ifdef LTC_RIPEMD128
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register_hash (&rmd128_desc);
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#endif
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#ifdef LTC_RIPEMD160
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register_hash (&rmd160_desc);
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#endif
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#ifdef LTC_RIPEMD256
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register_hash (&rmd256_desc);
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#endif
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#ifdef LTC_RIPEMD320
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register_hash (&rmd320_desc);
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#endif
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#ifdef LTC_WHIRLPOOL
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register_hash (&whirlpool_desc);
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#endif
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#ifdef LTC_BLAKE2S
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register_hash(&blake2s_128_desc);
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register_hash(&blake2s_160_desc);
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register_hash(&blake2s_224_desc);
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register_hash(&blake2s_256_desc);
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#endif
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#ifdef LTC_BLAKE2S
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register_hash(&blake2b_160_desc);
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register_hash(&blake2b_256_desc);
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register_hash(&blake2b_384_desc);
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register_hash(&blake2b_512_desc);
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#endif
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#ifdef LTC_CHC_HASH
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register_hash(&chc_desc);
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if ((err = chc_register(register_cipher(&aes_desc))) != CRYPT_OK) {
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fprintf(stderr, "chc_register error: %s\n", error_to_string(err));
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exit(EXIT_FAILURE);
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}
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#endif
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#ifndef LTC_YARROW
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#error This demo requires Yarrow.
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#endif
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register_prng(&yarrow_desc);
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#ifdef LTC_FORTUNA
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register_prng(&fortuna_desc);
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#endif
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#ifdef LTC_RC4
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register_prng(&rc4_desc);
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#endif
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#ifdef LTC_CHACHA20_PRNG
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register_prng(&chacha20_prng_desc);
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#endif
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#ifdef LTC_SOBER128
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register_prng(&sober128_desc);
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#endif
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#ifdef LTC_SPRNG
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register_prng(&sprng_desc);
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#endif
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#ifdef LTC_PRNG_ENABLE_LTC_RNG
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ltc_rng = my_test_rng;
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before = my_test_rng_read;
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if ((err = rng_make_prng(128, find_prng("yarrow"), &yarrow_prng, NULL)) != CRYPT_OK) {
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fprintf(stderr, "rng_make_prng with 'my_test_rng' failed: %s\n", error_to_string(err));
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exit(EXIT_FAILURE);
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}
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if (before == my_test_rng_read) {
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fprintf(stderr, "somehow there was no read from the ltc_rng! %lu == %lu\n", before, my_test_rng_read);
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exit(EXIT_FAILURE);
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}
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ltc_rng = NULL;
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#endif
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if ((err = rng_make_prng(128, find_prng("yarrow"), &yarrow_prng, NULL)) != CRYPT_OK) {
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fprintf(stderr, "rng_make_prng failed: %s\n", error_to_string(err));
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exit(EXIT_FAILURE);
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}
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if (strcmp("CRYPT_OK", error_to_string(err))) {
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exit(EXIT_FAILURE);
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}
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}
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void setup_math(void)
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{
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#ifdef USE_LTM
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ltc_mp = ltm_desc;
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#elif defined(USE_TFM)
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ltc_mp = tfm_desc;
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#elif defined(USE_GMP)
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ltc_mp = gmp_desc;
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#elif defined(EXT_MATH_LIB)
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extern ltc_math_descriptor EXT_MATH_LIB;
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ltc_mp = EXT_MATH_LIB;
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#else
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fprintf(stderr, "No MPI provider available\n");
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exit(EXIT_FAILURE);
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#endif
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}
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