diff options
author | Shane Lontis <shane.lontis@oracle.com> | 2019-02-21 08:27:25 +1000 |
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committer | Pauli <paul.dale@oracle.com> | 2019-03-07 07:30:04 +1000 |
commit | bcf082d130a413a728a382bd6e6bfdbf2cedba45 (patch) | |
tree | fd815107cc14a3adde6a491a8ec318c123aef98b /test/aesgcmtest.c | |
parent | 9fdcc21fdc9d148f78d9cd5be34030f38cc45812 (diff) |
FIPS AES_GCM IV gen changes
Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/8393)
Diffstat (limited to 'test/aesgcmtest.c')
-rw-r--r-- | test/aesgcmtest.c | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/test/aesgcmtest.c b/test/aesgcmtest.c new file mode 100644 index 0000000000..c616438b00 --- /dev/null +++ b/test/aesgcmtest.c @@ -0,0 +1,123 @@ +/* + * Copyright 2019 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the Apache License 2.0 (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 + */ + +#include <openssl/evp.h> +#include "testutil.h" + +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 do_encrypt(unsigned char *iv_gen, unsigned char *ct, int *ct_len, + unsigned char *tag, int *tag_len) +{ + int ret = 0; + EVP_CIPHER_CTX *ctx = NULL; + int outlen; + unsigned char outbuf[64]; + + *tag_len = 16; + ret = TEST_ptr(ctx = EVP_CIPHER_CTX_new()) + && TEST_true(EVP_EncryptInit_ex(ctx, EVP_aes_256_gcm(), NULL, NULL, + NULL) > 0) + && TEST_true(EVP_EncryptInit_ex(ctx, NULL, NULL, gcm_key, + iv_gen != NULL ? NULL : gcm_iv) > 0) + && TEST_true(EVP_EncryptUpdate(ctx, NULL, &outlen, gcm_aad, + sizeof(gcm_aad)) > 0) + && TEST_true(EVP_EncryptUpdate(ctx, ct, ct_len, gcm_pt, + sizeof(gcm_pt)) > 0) + && TEST_true(EVP_EncryptFinal_ex(ctx, outbuf, &outlen) > 0) + && TEST_true(EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_GET_TAG, 16, + tag) > 0) + && TEST_true(iv_gen == NULL + || EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GET_IV, 12, iv_gen) > 0); + EVP_CIPHER_CTX_free(ctx); + return ret; +} + +static int do_decrypt(const unsigned char *iv, const unsigned char *ct, + int ct_len, const unsigned char *tag, int tag_len) +{ + int ret = 0; + EVP_CIPHER_CTX *ctx = NULL; + int outlen, ptlen; + unsigned char pt[32]; + unsigned char outbuf[32]; + + ret = TEST_ptr(ctx = EVP_CIPHER_CTX_new()) + && TEST_true(EVP_DecryptInit_ex(ctx, EVP_aes_256_gcm(), NULL, + NULL, NULL) > 0) + && TEST_true(EVP_DecryptInit_ex(ctx, NULL, NULL, gcm_key, iv) > 0) + && TEST_true(EVP_DecryptUpdate(ctx, NULL, &outlen, gcm_aad, + sizeof(gcm_aad)) > 0) + && TEST_true(EVP_DecryptUpdate(ctx, pt, &ptlen, ct, + ct_len) > 0) + && TEST_true(EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_TAG, + tag_len, (void *)tag) > 0) + && TEST_true(EVP_DecryptFinal_ex(ctx, outbuf, &outlen) > 0) + && TEST_mem_eq(gcm_pt, sizeof(gcm_pt), pt, ptlen); + + EVP_CIPHER_CTX_free(ctx); + return ret; +} + +static int kat_test(void) +{ + unsigned char tag[32]; + unsigned char ct[32]; + int ctlen = 0, taglen = 0; + + return do_encrypt(NULL, ct, &ctlen, tag, &taglen) + && TEST_mem_eq(gcm_ct, sizeof(gcm_ct), ct, ctlen) + && TEST_mem_eq(gcm_tag, sizeof(gcm_tag), tag, taglen) + && do_decrypt(gcm_iv, ct, ctlen, tag, taglen); +} + +#ifdef FIPS_MODE +static int ivgen_test(void) +{ + unsigned char iv_gen[16]; + unsigned char tag[32]; + unsigned char ct[32]; + int ctlen = 0, taglen = 0; + + return do_encrypt(iv_gen, ct, &ctlen, tag, &taglen) + && do_decrypt(iv_gen, ct, ctlen, tag, taglen); +} +#endif /* FIPS_MODE */ + +int setup_tests(void) +{ + ADD_TEST(kat_test); +#ifdef FIPS_MODE + ADD_TEST(ivgen_test); +#endif /* FIPS_MODE */ + return 1; +} |