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fix issues around crypt hash destruction

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This commit is contained in:
Mazumdar, Tahsin M 2019-03-04 14:23:39 -05:00
parent 35ff149086
commit 8fb80888f3
2 changed files with 9 additions and 1 deletions
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4
mz_crypt.c
View File

@ -182,9 +182,11 @@ int32_t mz_crypt_pbkdf2(uint8_t *password, int32_t password_length, uint8_t *sa
key[k++] = ux[j++];
}
// hmac3 uses the same provider as hmac2,
// so it must be deleted before the context is destroyed.
mz_crypt_hmac_delete(&hmac3);
mz_crypt_hmac_delete(&hmac1);
mz_crypt_hmac_delete(&hmac2);
mz_crypt_hmac_delete(&hmac3);
return err;
}

6
mz_crypt_win32.c
View File

@ -511,6 +511,12 @@ int32_t mz_crypt_hmac_copy(void *src_handle, void *target_handle)
int32_t result = 0;
int32_t err = MZ_OK;
if (target->hash)
{
CryptDestroyHash(target->hash);
target->hash = NULL;
}
result = CryptDuplicateHash(source->hash, NULL, 0, &target->hash);
if (!result)