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refactor: update HMAC_SHA256 function to return error status #3

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Merged
bonifaido merged 1 commit into from
Aug 15, 2025
Merged

refactor: update HMAC_SHA256 function to return error status #3

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4 changes: 2 additions & 2 deletions example.c
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Original file line number Diff line number Diff line change
Expand Up @@ -9,9 +9,9 @@ int HMAC_SHA256(const unsigned char *data, size_t data_len,
unsigned char *out, size_t *out_len)
{
unsigned int len = 0;
HMAC(EVP_sha256(), key, key_len, data, data_len, out, &len);
char *ac = HMAC(EVP_sha256(), key, key_len, data, data_len, out, &len);
*out_len = len;
return 0;
return (ac != NULL) ? 0 : -1;
}

int main()
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5 changes: 2 additions & 3 deletions test.c
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Original file line number Diff line number Diff line change
@@ -1,4 +1,3 @@
#include <stdlib.h>
#include <openssl/hmac.h>
#include <openssl/sha.h>
#include <check.h>
Expand All @@ -10,9 +9,9 @@ int HMAC_SHA256(const unsigned char *data, size_t data_len,
unsigned char *out, size_t *out_len)
{
unsigned int len = 0;
HMAC(EVP_sha256(), key, key_len, data, data_len, out, &len);
char *ac = HMAC(EVP_sha256(), key, key_len, data, data_len, out, &len);
*out_len = len;
return 0;
return (ac != NULL) ? 0 : -1;
}

START_TEST(AwsSigv4Test_AwsSigv4Sign)
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