3party/mongoose
0
0
Fork 0
mirror of https://github.com/cesanta/mongoose.git synced 2025-01-14 01:38:01 +08:00
Code Issues Projects Releases Wiki Activity

Remove unused mg_hmac_sha1()

Browse Source
This commit is contained in:
Sergey Lyubka 2022-03-22 13:30:25 +00:00
parent 3b5a9e2d4b
commit 642befa8d5
4 changed files with 6 additions and 80 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
mongoose.c
View File

@ -2899,7 +2899,8 @@ static uint32_t blk0(union char64long16 *block, int i) {
z += (w ^ x ^ y) + blk(i) + 0xCA62C1D6 + rol(v, 5); \
w = rol(w, 30);
static void mg_sha1_transform(uint32_t state[5], const unsigned char buffer[64]) {
static void mg_sha1_transform(uint32_t state[5],
const unsigned char buffer[64]) {
uint32_t a, b, c, d, e;
union char64long16 block[1];
@ -3020,7 +3021,7 @@ void mg_sha1_update(mg_sha1_ctx *context, const unsigned char *data,
j = context->count[0];
if ((context->count[0] += (uint32_t) len << 3) < j) context->count[1]++;
context->count[1] += (uint32_t)(len >> 29);
context->count[1] += (uint32_t) (len >> 29);
j = (j >> 3) & 63;
if ((j + len) > 63) {
memcpy(&context->buffer[j], data, (i = 64 - j));
@ -3058,41 +3059,6 @@ void mg_sha1_final(unsigned char digest[20], mg_sha1_ctx *context) {
memset(&finalcount, '\0', sizeof(finalcount));
}
void mg_hmac_sha1(const unsigned char *key, size_t keylen,
const unsigned char *data, size_t datalen,
unsigned char out[20]) {
mg_sha1_ctx ctx;
unsigned char buf1[64], buf2[64], tmp_key[20], i;
if (keylen > sizeof(buf1)) {
mg_sha1_init(&ctx);
mg_sha1_update(&ctx, key, keylen);
mg_sha1_final(tmp_key, &ctx);
key = tmp_key;
keylen = sizeof(tmp_key);
}
memset(buf1, 0, sizeof(buf1));
memset(buf2, 0, sizeof(buf2));
memcpy(buf1, key, keylen);
memcpy(buf2, key, keylen);
for (i = 0; i < sizeof(buf1); i++) {
buf1[i] ^= 0x36;
buf2[i] ^= 0x5c;
}
mg_sha1_init(&ctx);
mg_sha1_update(&ctx, buf1, sizeof(buf1));
mg_sha1_update(&ctx, data, datalen);
mg_sha1_final(out, &ctx);
mg_sha1_init(&ctx);
mg_sha1_update(&ctx, buf2, sizeof(buf2));
mg_sha1_update(&ctx, out, 20);
mg_sha1_final(out, &ctx);
}
#ifdef MG_ENABLE_LINES
#line 1 "src/sntp.c"
#endif

3
mongoose.h
View File

@ -813,9 +813,6 @@ typedef struct {
void mg_sha1_init(mg_sha1_ctx *);
void mg_sha1_update(mg_sha1_ctx *, const unsigned char *data, size_t len);
void mg_sha1_final(unsigned char digest[20], mg_sha1_ctx *);
void mg_hmac_sha1(const unsigned char *key, size_t key_len,
const unsigned char *text, size_t text_len,
unsigned char out[20]);
struct mg_connection;

40
src/sha1.c
View File

@ -62,7 +62,8 @@ static uint32_t blk0(union char64long16 *block, int i) {
z += (w ^ x ^ y) + blk(i) + 0xCA62C1D6 + rol(v, 5); \
w = rol(w, 30);
static void mg_sha1_transform(uint32_t state[5], const unsigned char buffer[64]) {
static void mg_sha1_transform(uint32_t state[5],
const unsigned char buffer[64]) {
uint32_t a, b, c, d, e;
union char64long16 block[1];
@ -183,7 +184,7 @@ void mg_sha1_update(mg_sha1_ctx *context, const unsigned char *data,
j = context->count[0];
if ((context->count[0] += (uint32_t) len << 3) < j) context->count[1]++;
context->count[1] += (uint32_t)(len >> 29);
context->count[1] += (uint32_t) (len >> 29);
j = (j >> 3) & 63;
if ((j + len) > 63) {
memcpy(&context->buffer[j], data, (i = 64 - j));
@ -220,38 +221,3 @@ void mg_sha1_final(unsigned char digest[20], mg_sha1_ctx *context) {
memset(context, '\0', sizeof(*context));
memset(&finalcount, '\0', sizeof(finalcount));
}
void mg_hmac_sha1(const unsigned char *key, size_t keylen,
const unsigned char *data, size_t datalen,
unsigned char out[20]) {
mg_sha1_ctx ctx;
unsigned char buf1[64], buf2[64], tmp_key[20], i;
if (keylen > sizeof(buf1)) {
mg_sha1_init(&ctx);
mg_sha1_update(&ctx, key, keylen);
mg_sha1_final(tmp_key, &ctx);
key = tmp_key;
keylen = sizeof(tmp_key);
}
memset(buf1, 0, sizeof(buf1));
memset(buf2, 0, sizeof(buf2));
memcpy(buf1, key, keylen);
memcpy(buf2, key, keylen);
for (i = 0; i < sizeof(buf1); i++) {
buf1[i] ^= 0x36;
buf2[i] ^= 0x5c;
}
mg_sha1_init(&ctx);
mg_sha1_update(&ctx, buf1, sizeof(buf1));
mg_sha1_update(&ctx, data, datalen);
mg_sha1_final(out, &ctx);
mg_sha1_init(&ctx);
mg_sha1_update(&ctx, buf2, sizeof(buf2));
mg_sha1_update(&ctx, out, 20);
mg_sha1_final(out, &ctx);
}

3
src/sha1.h
View File

@ -11,6 +11,3 @@ typedef struct {
void mg_sha1_init(mg_sha1_ctx *);
void mg_sha1_update(mg_sha1_ctx *, const unsigned char *data, size_t len);
void mg_sha1_final(unsigned char digest[20], mg_sha1_ctx *);
void mg_hmac_sha1(const unsigned char *key, size_t key_len,
const unsigned char *text, size_t text_len,
unsigned char out[20]);