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git.ipfire.org Git - thirdparty/openssl.git/blob - test/aesgcmtest.c
2 * Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
10 #include <openssl/evp.h>
13 static const unsigned char gcm_key
[] = {
14 0xee, 0xbc, 0x1f, 0x57, 0x48, 0x7f, 0x51, 0x92, 0x1c, 0x04, 0x65, 0x66,
15 0x5f, 0x8a, 0xe6, 0xd1, 0x65, 0x8b, 0xb2, 0x6d, 0xe6, 0xf8, 0xa0, 0x69,
16 0xa3, 0x52, 0x02, 0x93, 0xa5, 0x72, 0x07, 0x8f
18 static const unsigned char gcm_iv
[] = {
19 0x99, 0xaa, 0x3e, 0x68, 0xed, 0x81, 0x73, 0xa0, 0xee, 0xd0, 0x66, 0x84
21 static const unsigned char gcm_pt
[] = {
22 0xf5, 0x6e, 0x87, 0x05, 0x5b, 0xc3, 0x2d, 0x0e, 0xeb, 0x31, 0xb2, 0xea,
23 0xcc, 0x2b, 0xf2, 0xa5
25 static const unsigned char gcm_aad
[] = {
26 0x4d, 0x23, 0xc3, 0xce, 0xc3, 0x34, 0xb4, 0x9b, 0xdb, 0x37, 0x0c, 0x43,
27 0x7f, 0xec, 0x78, 0xde
29 static const unsigned char gcm_ct
[] = {
30 0xf7, 0x26, 0x44, 0x13, 0xa8, 0x4c, 0x0e, 0x7c, 0xd5, 0x36, 0x86, 0x7e,
31 0xb9, 0xf2, 0x17, 0x36
33 static const unsigned char gcm_tag
[] = {
34 0x67, 0xba, 0x05, 0x10, 0x26, 0x2a, 0xe4, 0x87, 0xd7, 0x37, 0xee, 0x62,
35 0x98, 0xf7, 0x7e, 0x0c
38 static int do_encrypt(unsigned char *iv_gen
, unsigned char *ct
, int *ct_len
,
39 unsigned char *tag
, int *tag_len
)
42 EVP_CIPHER_CTX
*ctx
= NULL
;
44 unsigned char outbuf
[64];
47 ret
= TEST_ptr(ctx
= EVP_CIPHER_CTX_new())
48 && TEST_true(EVP_EncryptInit_ex(ctx
, EVP_aes_256_gcm(), NULL
, NULL
,
50 && TEST_true(EVP_EncryptInit_ex(ctx
, NULL
, NULL
, gcm_key
,
51 iv_gen
!= NULL
? NULL
: gcm_iv
) > 0)
52 && TEST_true(EVP_EncryptUpdate(ctx
, NULL
, &outlen
, gcm_aad
,
54 && TEST_true(EVP_EncryptUpdate(ctx
, ct
, ct_len
, gcm_pt
,
56 && TEST_true(EVP_EncryptFinal_ex(ctx
, outbuf
, &outlen
) > 0)
57 && TEST_int_eq(EVP_CIPHER_CTX_get_tag_length(ctx
), 16)
58 && TEST_true(EVP_CIPHER_CTX_ctrl(ctx
, EVP_CTRL_AEAD_GET_TAG
, 16,
60 && TEST_true(iv_gen
== NULL
61 || EVP_CIPHER_CTX_get_original_iv(ctx
, iv_gen
, 12));
62 EVP_CIPHER_CTX_free(ctx
);
66 static int do_decrypt(const unsigned char *iv
, const unsigned char *ct
,
67 int ct_len
, const unsigned char *tag
, int tag_len
)
70 EVP_CIPHER_CTX
*ctx
= NULL
;
73 unsigned char outbuf
[32];
75 ret
= TEST_ptr(ctx
= EVP_CIPHER_CTX_new())
76 && TEST_true(EVP_DecryptInit_ex(ctx
, EVP_aes_256_gcm(), NULL
,
78 && TEST_true(EVP_DecryptInit_ex(ctx
, NULL
, NULL
, gcm_key
, iv
) > 0)
79 && TEST_int_eq(EVP_CIPHER_CTX_get_tag_length(ctx
), 16)
80 && TEST_true(EVP_DecryptUpdate(ctx
, NULL
, &outlen
, gcm_aad
,
82 && TEST_true(EVP_DecryptUpdate(ctx
, pt
, &ptlen
, ct
,
84 && TEST_true(EVP_CIPHER_CTX_ctrl(ctx
, EVP_CTRL_AEAD_SET_TAG
,
85 tag_len
, (void *)tag
) > 0)
86 && TEST_true(EVP_DecryptFinal_ex(ctx
, outbuf
, &outlen
) > 0)
87 && TEST_mem_eq(gcm_pt
, sizeof(gcm_pt
), pt
, ptlen
);
89 EVP_CIPHER_CTX_free(ctx
);
93 static int kat_test(void)
95 unsigned char tag
[32];
97 int ctlen
= 0, taglen
= 0;
99 return do_encrypt(NULL
, ct
, &ctlen
, tag
, &taglen
)
100 && TEST_mem_eq(gcm_ct
, sizeof(gcm_ct
), ct
, ctlen
)
101 && TEST_mem_eq(gcm_tag
, sizeof(gcm_tag
), tag
, taglen
)
102 && do_decrypt(gcm_iv
, ct
, ctlen
, tag
, taglen
);
105 static int badkeylen_test(void)
108 EVP_CIPHER_CTX
*ctx
= NULL
;
109 const EVP_CIPHER
*cipher
;
111 ret
= TEST_ptr(cipher
= EVP_aes_192_gcm())
112 && TEST_ptr(ctx
= EVP_CIPHER_CTX_new())
113 && TEST_true(EVP_EncryptInit_ex(ctx
, cipher
, NULL
, NULL
, NULL
))
114 && TEST_int_le(EVP_CIPHER_CTX_set_key_length(ctx
, 2), 0);
115 EVP_CIPHER_CTX_free(ctx
);
119 static int ivgen_test(void)
121 unsigned char iv_gen
[16];
122 unsigned char tag
[32];
123 unsigned char ct
[32];
124 int ctlen
= 0, taglen
= 0;
126 return do_encrypt(iv_gen
, ct
, &ctlen
, tag
, &taglen
)
127 && do_decrypt(iv_gen
, ct
, ctlen
, tag
, taglen
);
130 int setup_tests(void)
133 ADD_TEST(badkeylen_test
);
134 ADD_TEST(ivgen_test
);