From 1bbc0b5dde579de9ef7dbc24278811703b55bf8b Mon Sep 17 00:00:00 2001 From: bg Date: Wed, 14 Nov 2012 01:09:37 +0100 Subject: [PATCH] form changes (nothing of importance) --- bcal/bcal-cbc.c | 2 +- dsa/dsa.h | 1 + keccak/keccak.c | 69 ++++++++++++++++++++++++------------------------- 3 files changed, 36 insertions(+), 36 deletions(-) diff --git a/bcal/bcal-cbc.c b/bcal/bcal-cbc.c index ee27c35..c5ff9d6 100644 --- a/bcal/bcal-cbc.c +++ b/bcal/bcal-cbc.c @@ -28,7 +28,7 @@ uint8_t bcal_cbc_init(const bcdesc_t* desc, const void* key, uint16_t keysize_b, ctx->blocksize_B = (bcal_cipher_getBlocksize_b(desc)+7)/8; ctx->prev_block = malloc(ctx->blocksize_B); - if(ctx->prev_block==NULL){ + if(ctx->prev_block == NULL){ return 0x11; } return bcal_cipher_init(desc, key, keysize_b, &(ctx->cctx)); diff --git a/dsa/dsa.h b/dsa/dsa.h index 0eabffe..b7dacc3 100644 --- a/dsa/dsa.h +++ b/dsa/dsa.h @@ -32,6 +32,7 @@ typedef struct{ typedef bigint_t dsa_pubkey_t; typedef bigint_t dsa_privkey_t; + typedef struct{ bigint_t r; bigint_t s; diff --git a/keccak/keccak.c b/keccak/keccak.c index 2c1d936..f568ff6 100644 --- a/keccak/keccak.c +++ b/keccak/keccak.c @@ -98,18 +98,18 @@ const static uint8_t r[5][5] PROGMEM = { static inline void keccak_round(uint64_t a[5][5], uint8_t rci){ uint64_t b[5][5]; - uint8_t i,j; + uint8_t i, j; union { uint64_t v64; uint8_t v8[8]; } t; /* theta */ - for(i=0; i<5; ++i){ + for(i = 0; i < 5; ++i){ b[i][0] = a[0][i] ^ a[1][i] ^ a[2][i] ^ a[3][i] ^ a[4][i]; } - for(i=0; i<5; ++i){ - t.v64 = b[(4+i)%5][0] ^ rotate64_1bit_left(b[(i+1)%5][0]); - for(j=0; j<5; ++j){ + for(i = 0; i < 5; ++i){ + t.v64 = b[(4 + i) % 5][0] ^ rotate64_1bit_left(b[(i + 1) % 5][0]); + for(j = 0; j < 5; ++j){ a[j][i] ^= t.v64; } } @@ -118,10 +118,9 @@ void keccak_round(uint64_t a[5][5], uint8_t rci){ keccak_dump_state(a); #endif /* rho & pi */ - for(i=0; i<5; ++i){ - for(j=0; j<5; ++j){ -// b[(2*i+3*j)%5][j] = rotl64(a[j][i], pgm_read_byte(&(r[i][j]))); - b[(2*i+3*j)%5][j] = rotate64left_code(a[j][i], pgm_read_byte(&(r[i][j]))); + for(i = 0; i < 5; ++i){ + for(j = 0; j < 5; ++j){ + b[(2 * i + 3 * j) % 5][j] = rotate64left_code(a[j][i], pgm_read_byte(&(r[i][j]))); } } #if DEBUG @@ -129,9 +128,9 @@ void keccak_round(uint64_t a[5][5], uint8_t rci){ keccak_dump_state(a); #endif /* chi */ - for(i=0; i<5; ++i){ - for(j=0; j<5; ++j){ - a[j][i] = b[j][i] ^ ((~(b[j][(i+1)%5]))&(b[j][(i+2)%5])); + for(i = 0; i < 5; ++i){ + for(j = 0; j < 5; ++j){ + a[j][i] = b[j][i] ^ ((~(b[j][(i + 1) % 5])) & (b[j][(i + 2) % 5])); } } #if DEBUG @@ -143,13 +142,13 @@ void keccak_round(uint64_t a[5][5], uint8_t rci){ // memcpy_P(&t, &(rc_comp[rci]), 8); t.v64 = 0; t.v8[0] = pgm_read_byte(&(rc_comp[rci])); - if(t.v8[0]&0x40){ + if(t.v8[0] & 0x40){ t.v8[7] = 0x80; } - if(t.v8[0]&0x20){ + if(t.v8[0] & 0x20){ t.v8[3] = 0x80; } - if(t.v8[0]&0x10){ + if(t.v8[0] & 0x10){ t.v8[1] = 0x80; } t.v8[0] &= 0x8F; @@ -162,15 +161,15 @@ void keccak_round(uint64_t a[5][5], uint8_t rci){ } void keccak_f1600(uint64_t a[5][5]){ - uint8_t i=0; - do{ + uint8_t i = 0; + do { #if DEBUG cli_putstr_P(PSTR("\r\n\r\n--- Round ")); cli_hexdump(&i, 1); cli_putstr_P(PSTR(" ---")); #endif keccak_round(a, i); - }while(++i<24); + } while (++i < 24); } void keccak_nextBlock(keccak_ctx_t* ctx, const void* block){ @@ -189,29 +188,29 @@ void keccak_lastBlock(keccak_ctx_t* ctx, const void* block, uint16_t length_b){ memset(tmp, 0x00, ctx->bs); memcpy(tmp, block, (length_b+7)/8); /* appand 1 */ - if(length_b&7){ + if(length_b & 7){ /* we have some single bits */ uint8_t t; - t = tmp[length_b/8]>>(8-(length_b&7)); - t |= 0x01<<(length_b&7); - tmp[length_b/8] = t; + t = tmp[length_b / 8] >> (8 - (length_b & 7)); + t |= 0x01 << (length_b & 7); + tmp[length_b / 8] = t; }else{ - tmp[length_b/8] = 0x01; + tmp[length_b / 8] = 0x01; } pad[0] = ctx->d; pad[1] = ctx->bs; pad[2] = 0x01; - if(length_b/8+1+3<=ctx->bs){ - memcpy(tmp+length_b/8+1, pad, 3); + if(length_b / 8 + 1 + 3 <= ctx->bs){ + memcpy(tmp + length_b / 8 + 1, pad, 3); }else{ - if(length_b/8+1+2<=ctx->bs){ + if(length_b / 8 + 1 + 2 <= ctx->bs){ memcpy(tmp+length_b/8+1, pad, 2); keccak_nextBlock(ctx, tmp); memset(tmp, 0x00, ctx->bs); - tmp[0]=0x01; + tmp[0] = 0x01; }else{ - if(length_b/8+1+1<=ctx->bs){ - memcpy(tmp+length_b/8+1, pad, 1); + if(length_b/8+1+1 <= ctx->bs){ + memcpy(tmp + length_b / 8 + 1, pad, 1); keccak_nextBlock(ctx, tmp); memset(tmp, 0x00, ctx->bs); tmp[0] = ctx->bs; @@ -255,17 +254,17 @@ void keccak512_ctx2hash(void* dest, keccak_ctx_t* 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 + 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, uint16_t c, uint8_t d, keccak_ctx_t* ctx){ - memset(ctx->a, 0x00, 5*5*8); + memset(ctx->a, 0x00, 5 * 5 * 8); ctx->r = r; ctx->c = c; ctx->d = d; - ctx->bs = (uint8_t)(r/8); + ctx->bs = (uint8_t)(r / 8); } void keccak224_init(keccak_ctx_t* ctx){ -- 2.39.5