abc/GmSSL
1
0
Fork 0
mirror of https://github.com/guanzhi/GmSSL.git synced 2026-05-12 19:36:27 +08:00
Code Issues Packages Projects Releases Wiki Activity

All tests passed

Browse Source
This commit is contained in:
Zhi Guan
2022-03-22 22:30:22 +08:00
parent 5ea884ce8f
commit c21972168d
21 changed files with 700 additions and 598 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
src/hash_drbg.c
View File

@@ -51,6 +51,7 @@
#include <string.h>
#include <stdlib.h>
#include <gmssl/hash_drbg.h>
#include <gmssl/error.h>
#include "endian.h"
static int hash_df(const DIGEST *digest, const uint8_t *in, size_t inlen,
@@ -67,11 +68,11 @@ static int hash_df(const DIGEST *digest, const uint8_t *in, size_t inlen,
PUTU32(outbits, (uint32_t)outlen << 3);
while (outlen > 0) {
if (!digest_init(&ctx, digest)
|| !digest_update(&ctx, &counter, sizeof(counter))
|| !digest_update(&ctx, outbits, sizeof(outbits))
|| !digest_update(&ctx, in, inlen)
|| !digest_finish(&ctx, dgst, &len)) {
if (digest_init(&ctx, digest) != 1
|| digest_update(&ctx, &counter, sizeof(counter)) != 1
|| digest_update(&ctx, outbits, sizeof(outbits)) != 1
|| digest_update(&ctx, in, inlen) != 1
|| digest_finish(&ctx, dgst, &len) != 1) {
goto end;
}
@@ -211,7 +212,7 @@ end:
static void drbg_add(uint8_t *R, const uint8_t *A, size_t seedlen)
{
int temp = 0;
size_t i;
int i;
for (i = seedlen - 1; i >= 0; i--) {
temp += R[i] + A[i];
R[i] = temp & 0xff;
@@ -222,7 +223,7 @@ static void drbg_add(uint8_t *R, const uint8_t *A, size_t seedlen)
static void drbg_add1(uint8_t *R, size_t seedlen)
{
int temp = 1;
size_t i;
int i;
for (i = seedlen - 1; i >= 0; i--) {
temp += R[i];
R[i] = temp & 0xff;
@@ -244,9 +245,9 @@ static int drbg_hashgen(HASH_DRBG *drbg, size_t outlen, uint8_t *out)
while (outlen > 0) {
/* output Hash(data) */
if (!digest_init(&ctx, drbg->digest)
|| !digest_update(&ctx, data, drbg->seedlen)
|| !digest_finish(&ctx, dgst, &len)) {
if (digest_init(&ctx, drbg->digest) != 1
|| digest_update(&ctx, data, drbg->seedlen) != 1
|| digest_finish(&ctx, dgst, &len) != 1) {
goto end;
}
@@ -288,11 +289,11 @@ int hash_drbg_generate(HASH_DRBG *drbg,
if (additional) {
/* w = Hash (0x02 || V || additional_input) */
prefix = 0x02;
if (!digest_init(&ctx, drbg->digest)
|| !digest_update(&ctx, &prefix, 1)
|| !digest_update(&ctx, drbg->V, drbg->seedlen)
|| !digest_update(&ctx, additional, additional_len)
|| !digest_finish(&ctx, dgst, &dgstlen)) {
if (digest_init(&ctx, drbg->digest) != 1
|| digest_update(&ctx, &prefix, 1) != 1
|| digest_update(&ctx, drbg->V, drbg->seedlen) != 1
|| digest_update(&ctx, additional, additional_len) != 1
|| digest_finish(&ctx, dgst, &dgstlen) != 1) {
goto end;
}
@@ -307,10 +308,10 @@ int hash_drbg_generate(HASH_DRBG *drbg,
/* H = Hash (0x03 || V). */
prefix = 0x03;
if (!digest_init(&ctx, drbg->digest)
|| !digest_update(&ctx, &prefix, 1)
|| !digest_update(&ctx, drbg->V, drbg->seedlen)
|| !digest_finish(&ctx, dgst, &dgstlen)) {
if (digest_init(&ctx, drbg->digest) != 1
|| digest_update(&ctx, &prefix, 1) != 1
|| digest_update(&ctx, drbg->V, drbg->seedlen) != 1
|| digest_finish(&ctx, dgst, &dgstlen) != 1) {
goto end;
}