From c48e9f61be5047296dfbb6e91c1a2d638f71cc71 Mon Sep 17 00:00:00 2001 From: bg Date: Sat, 12 Jan 2013 23:22:59 +0100 Subject: [PATCH] [keccak-asm] clean up --- keccak/keccak-stub.c | 142 ------------------------------------------- 1 file changed, 142 deletions(-) diff --git a/keccak/keccak-stub.c b/keccak/keccak-stub.c index c846746..d7dabf2 100644 --- a/keccak/keccak-stub.c +++ b/keccak/keccak-stub.c @@ -23,43 +23,6 @@ #include "memxor.h" #include "keccak.h" -#ifdef DEBUG -# undef DEBUG -#endif - -#define DEBUG 0 - -#if DEBUG -#include "cli.h" -#include "stdio.h" - -void keccak_dump_state(uint64_t a[5][5]){ - uint8_t i,j; - for(i=0; i<5; ++i){ - cli_putstr_P(PSTR("\r\n")); - cli_putc('0'+i); - cli_putstr_P(PSTR(": ")); - for(j=0; j<5; ++j){ - cli_hexdump_rev(&(a[i][j]), 8); - cli_putc(' '); - } - } -} - -void keccak_dump_ctx(keccak_ctx_t* ctx){ - keccak_dump_state(ctx->a); - cli_putstr_P(PSTR("\r\nDBG: r: ")); - cli_hexdump_rev(&(ctx->r), 2); - cli_putstr_P(PSTR("\t c: ")); - cli_hexdump_rev(&(ctx->c), 2); - cli_putstr_P(PSTR("\t d: ")); - cli_hexdump(&(ctx->d), 1); - cli_putstr_P(PSTR("\t bs: ")); - cli_hexdump(&(ctx->bs), 1); -} - -#endif - void keccak_f1600(uint8_t a[200]); void keccak_lastBlock(keccak_ctx_t* ctx, const void* block, uint16_t length_b){ @@ -88,109 +51,4 @@ void keccak_lastBlock(keccak_ctx_t* ctx, const void* block, uint16_t length_b){ keccak_f1600(ctx->a); } -#if 0 -void keccak_lastBlock(keccak_ctx_t* ctx, const void* block, uint16_t length_b){ - uint8_t length_B; - while(length_b >= ctx->r){ - keccak_nextBlock(ctx, block); - block = (uint8_t*)block + ctx->bs; - length_b -= ctx->r; - } - length_B = length_b / 8; - memxor(ctx->a, block, length_B); - /* append 1 */ - if(length_b & 7){ - /* we have some single bits */ - uint8_t t; - t = ((uint8_t*)block)[length_B] >> (8 - (length_b & 7)); - t |= 0x01 << (length_b & 7); - ctx->a[length_B] ^= t; - }else{ - ctx->a[length_B] ^= 0x01; - } - if(length_B + 1 + 3 <= ctx->bs){ - ctx->a[length_B + 1] ^= ctx->d; - ctx->a[length_B + 2] ^= ctx->bs; - ctx->a[length_B + 3] ^= 1; - }else{ - if(length_B + 1 + 2 <= ctx->bs){ - ctx->a[length_B + 1] ^= ctx->d; - ctx->a[length_B + 2] ^= ctx->bs; - keccak_f1600(ctx->a); - ((uint8_t*)ctx->a)[0] ^= 0x01; - }else{ - if(length_B + 1 + 1 <= ctx->bs){ - ctx->a[length_B + 1] ^= ctx->d; - keccak_f1600(ctx->a); - ctx->a[0] ^= ctx->bs; - ctx->a[1] ^= 0x01; - }else{ - keccak_f1600(ctx->a); - ctx->a[0] ^= ctx->d; - ctx->a[1] ^= ctx->bs; - ctx->a[2] ^= 0x01; - } - } - } - keccak_f1600(ctx->a); -} -#endif - -/* -void keccak_ctx2hash(void* dest, uint16_t length_b, keccak_ctx_t* ctx){ - while(length_b>=ctx->r){ - memcpy(dest, ctx->a, ctx->bs); - dest = (uint8_t*)dest + ctx->bs; - length_b -= ctx->r; - keccak_f1600(ctx->a); - } - memcpy(dest, ctx->a, (length_b+7)/8); -} -*/ -/* -void keccak224_ctx2hash(void* dest, keccak_ctx_t* ctx){ - keccak_ctx2hash(dest, 224, ctx); -} -void keccak256_ctx2hash(void* dest, keccak_ctx_t* ctx){ - keccak_ctx2hash(dest, 256, ctx); -} - -void keccak384_ctx2hash(void* dest, keccak_ctx_t* ctx){ - keccak_ctx2hash(dest, 384, ctx); -} - -void keccak512_ctx2hash(void* dest, keccak_ctx_t* ctx){ - keccak_ctx2hash(dest, 512, ctx); -} -*/ -/* - 1. SHA3-224: ⌊Keccak[r = 1152, c = 448, d = 28]⌋224 - 2. SHA3-256: ⌊Keccak[r = 1088, c = 512, d = 32]⌋256 - 3. SHA3-384: ⌊Keccak[r = 832, c = 768, d = 48]⌋384 - 4. SHA3-512: ⌊Keccak[r = 576, c = 1024, d = 64]⌋512 -*/ -/* -void keccak_init(uint16_t r, keccak_ctx_t* ctx){ - memset(ctx->a, 0x00, 5 * 5 * 8); - ctx->r = r; - ctx->bs = (uint8_t)(r / 8); -} - -void keccak224_init(keccak_ctx_t* ctx){ - keccak_init(1152, ctx); -} - -void keccak256_init(keccak_ctx_t* ctx){ - keccak_init(1088, ctx); -} - -void keccak384_init(keccak_ctx_t* ctx){ - keccak_init( 832, ctx); -} - -void keccak512_init(keccak_ctx_t* ctx){ - keccak_init( 576, ctx); -} - -*/ -- 2.39.5