+/*
+ * Copyright 2012-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
/*
* Simple AES GCM test program, uses the same NIST data used for the FIPS
* self test but uses the application level EVP APIs.
/* Set cipher type and mode */
EVP_EncryptInit_ex(ctx, EVP_aes_256_gcm(), NULL, NULL, NULL);
/* Set IV length if default 96 bits is not appropriate */
- EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_IVLEN, sizeof(gcm_iv), NULL);
+ EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_IVLEN, sizeof(gcm_iv), NULL);
/* Initialise key and IV */
EVP_EncryptInit_ex(ctx, NULL, NULL, gcm_key, gcm_iv);
/* Zero or more calls to specify any AAD */
/* Finalise: note get no output for GCM */
EVP_EncryptFinal_ex(ctx, outbuf, &outlen);
/* Get tag */
- EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_GET_TAG, 16, outbuf);
+ EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_GET_TAG, 16, outbuf);
/* Output tag */
printf("Tag:\n");
BIO_dump_fp(stdout, outbuf, 16);
/* Select cipher */
EVP_DecryptInit_ex(ctx, EVP_aes_256_gcm(), NULL, NULL, NULL);
/* Set IV length, omit for 96 bits */
- EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_IVLEN, sizeof(gcm_iv), NULL);
+ EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_IVLEN, sizeof(gcm_iv), NULL);
/* Specify key and IV */
EVP_DecryptInit_ex(ctx, NULL, NULL, gcm_key, gcm_iv);
-#if 0
- /*
- * Set expected tag value. A restriction in OpenSSL 1.0.1c and earlier
- * required the tag before any AAD or ciphertext
- */
- EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_TAG, sizeof(gcm_tag), gcm_tag);
-#endif
/* Zero or more calls to specify any AAD */
EVP_DecryptUpdate(ctx, NULL, &outlen, gcm_aad, sizeof(gcm_aad));
/* Decrypt plaintext */
/* Output decrypted block */
printf("Plaintext:\n");
BIO_dump_fp(stdout, outbuf, outlen);
- /* Set expected tag value. Works in OpenSSL 1.0.1d and later */
- EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_TAG, sizeof(gcm_tag), gcm_tag);
+ /* Set expected tag value. */
+ EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_TAG, sizeof(gcm_tag),
+ (void *)gcm_tag);
/* Finalise: note get no output for GCM */
rv = EVP_DecryptFinal_ex(ctx, outbuf, &outlen);
/*