From 9813b147580d9f42e2484d27ecaa3ab244841ee8 Mon Sep 17 00:00:00 2001 From: David Phillips Date: Sun, 14 May 2017 19:52:19 +1200 Subject: Add experimental AVX base32 algo, modularise base32 out --- sand-leek.c | 29 +++++++++-------------------- 1 file changed, 9 insertions(+), 20 deletions(-) (limited to 'sand-leek.c') diff --git a/sand-leek.c b/sand-leek.c index 285dda4..561574e 100644 --- a/sand-leek.c +++ b/sand-leek.c @@ -13,34 +13,18 @@ #include #include +#include "onion_base32.h" + #define EXPONENT_SIZE_BYTES 4 #define EXPONENT_MIN 0x1FFFFFFF #define EXPONENT_MAX 0xFFFFFFFF #define RSA_KEY_BITS 1024 -static const char base32_lookup[] = "abcdefghijklmnopqrstuvwxyz234567"; static char *search; static size_t search_len; sem_t working; -void -onion_sha(char output[16], unsigned char sum[20]) { - size_t c = 0; - int i = 0; - - for (i = 0; i < 10; i+=5) { - output[c++] = base32_lookup[sum[i] >> 3]; - output[c++] = base32_lookup[((sum[i] & 0x07) << 2) | (sum[i+1] >> 6)]; - output[c++] = base32_lookup[(sum[i+1] >> 1) & 0x1F]; - output[c++] = base32_lookup[((sum[i+1] & 1) << 4) | (sum[i+2] >> 4)]; - output[c++] = base32_lookup[((sum[i+2] & 0x0F) << 1) | ((sum[i+3] & 0x80) >> 7)]; - output[c++] = base32_lookup[(sum[i+3] >> 2) & 0x1F]; - output[c++] = base32_lookup[((sum[i+3] & 0x03) << 3) | (sum[i+4] >> 5)]; - output[c++] = base32_lookup[sum[i+4] & 0x1F]; - } -} - /* re-calculate the decryption key `d` for the given key * the product of e and d must be congruent to 1, and since we are messing * with e to generate our keys, we must re-calculate d */ @@ -168,7 +152,12 @@ work(void *arg) { SHA1_Update(&working_sha_c, &e_big_endian, EXPONENT_SIZE_BYTES); SHA1_Final((unsigned char*)&sha, &working_sha_c); - onion_sha(onion, sha); +#ifdef AVX_ONION_BASE32 + onion_base32_avx(onion, sha); +#else + onion_base32(onion, sha); +#endif + onion[16] = '\0'; if (hashes++ >= 1000) { @@ -288,7 +277,7 @@ main(int argc, char **argv) { search_len = strlen(search); - if ((offset = strspn(search, base32_lookup)) != search_len) { + if ((offset = check_base32(search))) { fprintf(stderr, "Error: search contains non-base-32 character(s): %c\n" "I cannot search for something that will never occur\n", -- cgit v1.1