void hb_sha384_update( sha384_ctx * ctx, const void * messagev, unsigned int len ) { const unsigned char * message = ( const unsigned char * ) messagev; unsigned int block_nb; unsigned int new_len, rem_len, tmp_len; const unsigned char * shifted_message; tmp_len = SHA384_BLOCK_SIZE - ctx->len; rem_len = len < tmp_len ? len : tmp_len; HB_MEMCPY( &ctx->block[ ctx->len ], message, rem_len ); if( ctx->len + len < SHA384_BLOCK_SIZE ) { ctx->len += len; return; } new_len = len - rem_len; block_nb = new_len / SHA384_BLOCK_SIZE; shifted_message = message + rem_len; sha512_transf( ctx, ctx->block, 1 ); sha512_transf( ctx, shifted_message, block_nb ); rem_len = new_len % SHA384_BLOCK_SIZE; HB_MEMCPY( ctx->block, &shifted_message[ block_nb << 7 ], rem_len ); ctx->len = rem_len; ctx->tot_len += ( block_nb + 1 ) << 7; }
void sha512_update(sha512_ctx *ctx, const unsigned char *message, unsigned int len) { unsigned int block_nb; unsigned int new_len, rem_len, tmp_len; const unsigned char *shifted_message; tmp_len = SHA512_BLOCK_SIZE - ctx->len; rem_len = len < tmp_len ? len : tmp_len; memcpy(&ctx->block[ctx->len], message, rem_len); if (ctx->len + len < SHA512_BLOCK_SIZE) { ctx->len += len; return; } new_len = len - rem_len; block_nb = new_len / SHA512_BLOCK_SIZE; shifted_message = message + rem_len; sha512_transf(ctx, ctx->block, 1); sha512_transf(ctx, shifted_message, block_nb); rem_len = new_len % SHA512_BLOCK_SIZE; memcpy(ctx->block, &shifted_message[block_nb << 7], rem_len); ctx->len = rem_len; ctx->tot_len += (block_nb + 1) << 7; }
void hb_sha384_update(hb_sha384_ctx *ctx, const void *messagev, HB_SIZE len) { const unsigned char * message = ( const unsigned char * ) messagev; HB_SIZE block_nb; HB_SIZE new_len, rem_len, tmp_len; const unsigned char *shifted_message; tmp_len = HB_SHA384_BLOCK_SIZE - ctx->len; rem_len = len < tmp_len ? len : tmp_len; memcpy(&ctx->block[ctx->len], message, rem_len); if (ctx->len + len < HB_SHA384_BLOCK_SIZE) { ctx->len += len; return; } new_len = len - rem_len; block_nb = new_len / HB_SHA384_BLOCK_SIZE; shifted_message = message + rem_len; sha512_transf(ctx, ctx->block, 1); sha512_transf(ctx, shifted_message, block_nb); rem_len = new_len % HB_SHA384_BLOCK_SIZE; memcpy(ctx->block, &shifted_message[block_nb << 7], rem_len); ctx->len = rem_len; ctx->tot_len += (block_nb + 1) << 7; }
void sha384_final(sha384_ctx *ctx, unsigned char *digest) { unsigned int block_nb; unsigned int pm_len; unsigned int len_b; #ifndef UNROLL_LOOPS int i; #endif block_nb = (1 + ((SHA384_BLOCK_SIZE - 17) < (ctx->len % SHA384_BLOCK_SIZE))); len_b = (ctx->tot_len + ctx->len) << 3; pm_len = block_nb << 7; memset(ctx->block + ctx->len, 0, pm_len - ctx->len); ctx->block[ctx->len] = 0x80; UNPACK32(len_b, ctx->block + pm_len - 4); sha512_transf(ctx, ctx->block, block_nb); #ifndef UNROLL_LOOPS for (i = 0 ; i < 6; i++) { UNPACK64(ctx->h[i], &digest[i << 3]); } #else UNPACK64(ctx->h[0], &digest[ 0]); UNPACK64(ctx->h[1], &digest[ 8]); UNPACK64(ctx->h[2], &digest[16]); UNPACK64(ctx->h[3], &digest[24]); UNPACK64(ctx->h[4], &digest[32]); UNPACK64(ctx->h[5], &digest[40]); #endif /* !UNROLL_LOOPS */ }
void sha512_update_final(sha512_ctx *ctx, const unsigned char *message, unsigned int len, unsigned char *digest) { unsigned int block_nb; unsigned int pm_len; unsigned int len_b; #ifndef UNROLL_LOOPS int i; #endif memcpy(&ctx->block[ctx->len], message, len); ctx->len += len; /*new_len = len - rem_len; block_nb = new_len / SHA512_BLOCK_SIZE; shifted_message = message + rem_len; sha512_transf(ctx, ctx->block, 1); sha512_transf(ctx, shifted_message, block_nb); rem_len = new_len % SHA512_BLOCK_SIZE; memcpy(ctx->block, &shifted_message[block_nb << 7], rem_len); ctx->len = rem_len; ctx->tot_len += (block_nb + 1) << 7; */ block_nb = 1 + ((SHA512_BLOCK_SIZE - 17) < (ctx->len % SHA512_BLOCK_SIZE)); len_b = (ctx->tot_len + ctx->len) << 3; pm_len = block_nb << 7; memset(ctx->block + ctx->len, 0, pm_len - ctx->len); ctx->block[ctx->len] = 0x80; UNPACK32(len_b, ctx->block + pm_len - 4); sha512_transf(ctx, ctx->block, block_nb); #ifndef UNROLL_LOOPS for (i = 0 ; i < 8; i++) { UNPACK64(ctx->h[i], &digest[i << 3]); } #else UNPACK64(ctx->h[0], &digest[ 0]); UNPACK64(ctx->h[1], &digest[ 8]); UNPACK64(ctx->h[2], &digest[16]); UNPACK64(ctx->h[3], &digest[24]); UNPACK64(ctx->h[4], &digest[32]); UNPACK64(ctx->h[5], &digest[40]); UNPACK64(ctx->h[6], &digest[48]); UNPACK64(ctx->h[7], &digest[56]); #endif /* !UNROLL_LOOPS */ }
void hb_sha512_final(hb_sha512_ctx *ctx, unsigned char *digest) { HB_SIZE block_nb; HB_SIZE pm_len; HB_SIZE len_b; #ifndef UNROLL_LOOPS int i; #endif block_nb = 1 + ((HB_SHA512_BLOCK_SIZE - 17) < (ctx->len % HB_SHA512_BLOCK_SIZE)); len_b = (ctx->tot_len + ctx->len) << 3; pm_len = block_nb << 7; memset(ctx->block + ctx->len, 0, pm_len - ctx->len); ctx->block[ctx->len] = 0x80; UNPACK32(len_b, ctx->block + pm_len - 4); sha512_transf(ctx, ctx->block, block_nb); #ifndef UNROLL_LOOPS for (i = 0 ; i < 8; i++) { UNPACK64(ctx->h[i], &digest[i << 3]); } #else UNPACK64(ctx->h[0], &digest[ 0]); UNPACK64(ctx->h[1], &digest[ 8]); UNPACK64(ctx->h[2], &digest[16]); UNPACK64(ctx->h[3], &digest[24]); UNPACK64(ctx->h[4], &digest[32]); UNPACK64(ctx->h[5], &digest[40]); UNPACK64(ctx->h[6], &digest[48]); UNPACK64(ctx->h[7], &digest[56]); #endif /* !UNROLL_LOOPS */ }