Typo.
[oweals/openssl.git] / fips / aes / fips_aes_selftest.c
index 8c5a0eeacd44efd8667b2d21af02571a50964154..05f18d1484e83b98c273a5c1748a824c3b05c47c 100644 (file)
@@ -82,7 +82,7 @@ int FIPS_selftest_aes()
     int n;
     int ret = 0;
     EVP_CIPHER_CTX ctx;
-    EVP_CIPHER_CTX_init(&ctx);
+    FIPS_cipher_ctx_init(&ctx);
 
     for(n=0 ; n < 1 ; ++n)
        {
@@ -95,9 +95,101 @@ int FIPS_selftest_aes()
        }
     ret = 1;
     err:
-    EVP_CIPHER_CTX_cleanup(&ctx);
+    FIPS_cipher_ctx_cleanup(&ctx);
     if (ret == 0)
            FIPSerr(FIPS_F_FIPS_SELFTEST_AES,FIPS_R_SELFTEST_FAILED);
     return ret;
     }
+
+/* AES-GCM test data from NIST public test vectors */
+
+static const unsigned char gcm_key[] = {
+       0xee,0xbc,0x1f,0x57,0x48,0x7f,0x51,0x92,0x1c,0x04,0x65,0x66,
+       0x5f,0x8a,0xe6,0xd1,0x65,0x8b,0xb2,0x6d,0xe6,0xf8,0xa0,0x69,
+       0xa3,0x52,0x02,0x93,0xa5,0x72,0x07,0x8f
+};
+static const unsigned char gcm_iv[] = {
+       0x99,0xaa,0x3e,0x68,0xed,0x81,0x73,0xa0,0xee,0xd0,0x66,0x84
+};
+static const unsigned char gcm_pt[] = {
+       0xf5,0x6e,0x87,0x05,0x5b,0xc3,0x2d,0x0e,0xeb,0x31,0xb2,0xea,
+       0xcc,0x2b,0xf2,0xa5
+};
+static const unsigned char gcm_aad[] = {
+       0x4d,0x23,0xc3,0xce,0xc3,0x34,0xb4,0x9b,0xdb,0x37,0x0c,0x43,
+       0x7f,0xec,0x78,0xde
+};
+static const unsigned char gcm_ct[] = {
+       0xf7,0x26,0x44,0x13,0xa8,0x4c,0x0e,0x7c,0xd5,0x36,0x86,0x7e,
+       0xb9,0xf2,0x17,0x36
+};
+static const unsigned char gcm_tag[] = {
+       0x67,0xba,0x05,0x10,0x26,0x2a,0xe4,0x87,0xd7,0x37,0xee,0x62,
+       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;
+       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);
+       if (!FIPS_cipherinit(&ctx, NULL, gcm_key, gcm_iv, 1))
+               goto err;
+       if (FIPS_cipher(&ctx, NULL, gcm_aad, sizeof(gcm_aad)) < 0)
+               goto err;
+       if (FIPS_cipher(&ctx, out, gcm_pt, sizeof(gcm_pt)) != sizeof(gcm_ct))
+               goto err;
+       if (FIPS_cipher(&ctx, NULL, NULL, 0) < 0)
+               goto err;
+
+       if (!FIPS_cipher_ctx_ctrl(&ctx, EVP_CTRL_GCM_GET_TAG, 16, tag))
+               goto err;
+
+       if (memcmp(tag, gcm_tag, 16) || memcmp(out, gcm_ct, 16))
+               goto err;
+
+       /* Modify expected tag value */
+       if (corrupt_aes_gcm)
+               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_cipher_ctx_ctrl(&ctx, EVP_CTRL_GCM_SET_TAG, 16, tag))
+               goto err;
+       if (!FIPS_cipherinit(&ctx, NULL, gcm_key, gcm_iv, 0))
+               goto err;
+       if (FIPS_cipher(&ctx, NULL, gcm_aad, sizeof(gcm_aad)) < 0)
+               goto err;
+       if (FIPS_cipher(&ctx, out, gcm_ct, sizeof(gcm_ct)) != sizeof(gcm_pt))
+               goto err;
+       if (FIPS_cipher(&ctx, NULL, NULL, 0) < 0)
+               goto err;
+
+       if (memcmp(out, gcm_pt, 16))
+               goto err;
+
+       ret = 1;
+
+       err:
+
+       if (ret == 0)
+               FIPSerr(FIPS_F_FIPS_SELFTEST_AES_GCM,FIPS_R_SELFTEST_FAILED);
+
+       FIPS_cipher_ctx_cleanup(&ctx);
+
+       return ret;
+       }
+
 #endif