#include <openssl/err.h>
#include <openssl/fips.h>
#include <openssl/evp.h>
+#include "fips_locl.h"
#ifdef OPENSSL_FIPS
static struct
0x98,0xf7,0x7e,0x0c
};
-static int corrupt_aes_gcm = 0;
-
-void FIPS_corrupt_aes_gcm(void)
- {
- corrupt_aes_gcm = 1;
- }
-
int FIPS_selftest_aes_gcm(void)
{
- int ret = 0;
+ int ret = 0, do_corrupt = 0;
unsigned char out[128], tag[16];
EVP_CIPHER_CTX ctx;
FIPS_cipher_ctx_init(&ctx);
- FIPS_cipherinit(&ctx, EVP_aes_256_gcm(), NULL, NULL, 1);
- FIPS_cipher_ctx_ctrl(&ctx, EVP_CTRL_GCM_SET_IVLEN,
- sizeof(gcm_iv), NULL);
+ memset(out, 0, sizeof(out));
+ memset(tag, 0, sizeof(tag));
+ if (!fips_post_started(FIPS_TEST_GCM, 0, 0))
+ return 1;
+ if (!fips_post_corrupt(FIPS_TEST_HMAC, 0, NULL))
+ do_corrupt = 1;
+ if (!FIPS_cipherinit(&ctx, EVP_aes_256_gcm(), NULL, NULL, 1))
+ goto err;
+ if (!FIPS_cipher_ctx_ctrl(&ctx, EVP_CTRL_GCM_SET_IVLEN,
+ sizeof(gcm_iv), NULL))
+ goto err;
if (!FIPS_cipherinit(&ctx, NULL, gcm_key, gcm_iv, 1))
goto err;
if (FIPS_cipher(&ctx, NULL, gcm_aad, sizeof(gcm_aad)) < 0)
if (memcmp(tag, gcm_tag, 16) || memcmp(out, gcm_ct, 16))
goto err;
+ memset(out, 0, sizeof(out));
+
/* Modify expected tag value */
- if (corrupt_aes_gcm)
+ if (do_corrupt)
tag[0]++;
- FIPS_cipherinit(&ctx, EVP_aes_256_gcm(), NULL, NULL, 0);
- FIPS_cipher_ctx_ctrl(&ctx, EVP_CTRL_GCM_SET_IVLEN,
- sizeof(gcm_iv), NULL);
+ if (!FIPS_cipherinit(&ctx, EVP_aes_256_gcm(), NULL, NULL, 0))
+ goto err;
+ if (!FIPS_cipher_ctx_ctrl(&ctx, EVP_CTRL_GCM_SET_IVLEN,
+ sizeof(gcm_iv), NULL))
+ goto err;
if (!FIPS_cipher_ctx_ctrl(&ctx, EVP_CTRL_GCM_SET_TAG, 16, tag))
goto err;
if (!FIPS_cipherinit(&ctx, NULL, gcm_key, gcm_iv, 0))
ret = 1;
err:
+ FIPS_cipher_ctx_cleanup(&ctx);
if (ret == 0)
+ {
+ fips_post_failed(FIPS_TEST_GCM, 0, NULL);
FIPSerr(FIPS_F_FIPS_SELFTEST_AES_GCM,FIPS_R_SELFTEST_FAILED);
+ return 0;
+ }
+ else
+ return fips_post_success(FIPS_TEST_GCM, 0, NULL);
- FIPS_cipher_ctx_cleanup(&ctx);
-
- return ret;
}
#endif