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Fix sm3_pbkdf2 count=0 bug

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This commit is contained in:
Zhi Guan
2026-06-09 11:52:57 +08:00
parent 73296c100c
commit 849491cb33
1 changed files with 13 additions and 0 deletions
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13
src/sm3_pbkdf2.c
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@@ -94,6 +94,19 @@ int sm3_pbkdf2(const char *pass, size_t passlen,
uint8_t tmp_block[SM3_DIGEST_SIZE]; uint8_t tmp_block[SM3_DIGEST_SIZE];
uint8_t key_block[SM3_DIGEST_SIZE]; uint8_t key_block[SM3_DIGEST_SIZE];
if (!salt || !saltlen) {
error_print();
return -1;
}
if (saltlen > SM3_PBKDF2_MAX_SALT_SIZE) {
error_print();
return -1;
}
if (count < SM3_PBKDF2_MIN_ITER || count > SM3_PBKDF2_MAX_ITER) {
error_print();
return -1;
}
sm3_hmac_init(&ctx_tmpl, (uint8_t *)pass, passlen); sm3_hmac_init(&ctx_tmpl, (uint8_t *)pass, passlen);
while (outlen > 0) { while (outlen > 0) {