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Support several flavours of AES-192.

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Change-Id: I28d302fad0d3d00fa69d3224a96366207729d8d5
This commit is contained in:
Adam Langley 2015-04-02 13:09:01 -07:00
parent 087930f5b5
commit 1049e26f6b
4 changed files with 61 additions and 1 deletions
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2
crypto/cipher/cipher_test.c
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@ -313,6 +313,8 @@ static int test_cipher(const char *cipher, const uint8_t *key, int kn,
c = EVP_aes_128_gcm();
} else if (strcmp(cipher, "AES-128-OFB") == 0) {
c = EVP_aes_128_ofb();
} else if (strcmp(cipher, "AES-192-CBC") == 0) {
c = EVP_aes_192_cbc();
} else if (strcmp(cipher, "AES-256-CBC") == 0) {
c = EVP_aes_256_cbc();
} else if (strcmp(cipher, "AES-128-CTR") == 0) {

48
crypto/cipher/e_aes.c
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@ -757,6 +757,28 @@ static const EVP_CIPHER aes_128_gcm = {
aes_gcm_ctrl};
static const EVP_CIPHER aes_192_cbc = {
NID_aes_192_cbc, 16 /* block_size */, 24 /* key_size */,
16 /* iv_len */, sizeof(EVP_AES_KEY), EVP_CIPH_CBC_MODE,
NULL /* app_data */, aes_init_key, aes_cbc_cipher,
NULL /* cleanup */, NULL /* ctrl */};
static const EVP_CIPHER aes_192_ctr = {
NID_aes_192_ctr, 1 /* block_size */, 24 /* key_size */,
16 /* iv_len */, sizeof(EVP_AES_KEY), EVP_CIPH_CTR_MODE,
NULL /* app_data */, aes_init_key, aes_ctr_cipher,
NULL /* cleanup */, NULL /* ctrl */};
static const EVP_CIPHER aes_192_gcm = {
NID_aes_192_gcm, 1 /* block_size */, 24 /* key_size */, 12 /* iv_len */,
sizeof(EVP_AES_GCM_CTX),
EVP_CIPH_GCM_MODE | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER |
EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT |
EVP_CIPH_FLAG_AEAD_CIPHER,
NULL /* app_data */, aes_gcm_init_key, aes_gcm_cipher, aes_gcm_cleanup,
aes_gcm_ctrl};
static const EVP_CIPHER aes_256_cbc = {
NID_aes_256_cbc, 16 /* block_size */, 32 /* key_size */,
16 /* iv_len */, sizeof(EVP_AES_KEY), EVP_CIPH_CBC_MODE,
@ -917,6 +939,28 @@ static const EVP_CIPHER aesni_128_gcm = {
aes_gcm_ctrl};
static const EVP_CIPHER aesni_192_cbc = {
NID_aes_192_cbc, 16 /* block_size */, 24 /* key_size */,
16 /* iv_len */, sizeof(EVP_AES_KEY), EVP_CIPH_CBC_MODE,
NULL /* app_data */, aesni_init_key, aesni_cbc_cipher,
NULL /* cleanup */, NULL /* ctrl */};
static const EVP_CIPHER aesni_192_ctr = {
NID_aes_192_ctr, 1 /* block_size */, 24 /* key_size */,
16 /* iv_len */, sizeof(EVP_AES_KEY), EVP_CIPH_CTR_MODE,
NULL /* app_data */, aesni_init_key, aes_ctr_cipher,
NULL /* cleanup */, NULL /* ctrl */};
static const EVP_CIPHER aesni_192_gcm = {
NID_aes_192_gcm, 1 /* block_size */, 24 /* key_size */, 12 /* iv_len */,
sizeof(EVP_AES_GCM_CTX),
EVP_CIPH_GCM_MODE | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER |
EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT |
EVP_CIPH_FLAG_AEAD_CIPHER,
NULL /* app_data */, aesni_gcm_init_key, aes_gcm_cipher, aes_gcm_cleanup,
aes_gcm_ctrl};
static const EVP_CIPHER aesni_256_cbc = {
NID_aes_256_cbc, 16 /* block_size */, 32 /* key_size */,
16 /* iv_len */, sizeof(EVP_AES_KEY), EVP_CIPH_CBC_MODE,
@ -978,6 +1022,10 @@ EVP_CIPHER_FUNCTION(128, ecb)
EVP_CIPHER_FUNCTION(128, ofb)
EVP_CIPHER_FUNCTION(128, gcm)
EVP_CIPHER_FUNCTION(192, cbc)
EVP_CIPHER_FUNCTION(192, ctr)
EVP_CIPHER_FUNCTION(192, gcm)
EVP_CIPHER_FUNCTION(256, cbc)
EVP_CIPHER_FUNCTION(256, ctr)
EVP_CIPHER_FUNCTION(256, ecb)

6
crypto/cipher/test/cipher_test.txt
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@ -101,3 +101,9 @@ AES-256-OFB:603DEB1015CA71BE2B73AEF0857D77811F352C073B6108D72D9810A30914DFF4:000
AES-256-OFB:603DEB1015CA71BE2B73AEF0857D77811F352C073B6108D72D9810A30914DFF4:B7BF3A5DF43989DD97F0FA97EBCE2F4A:AE2D8A571E03AC9C9EB76FAC45AF8E51:4FEBDC6740D20B3AC88F6AD82A4FB08D:0
AES-256-OFB:603DEB1015CA71BE2B73AEF0857D77811F352C073B6108D72D9810A30914DFF4:E1C656305ED1A7A6563805746FE03EDC:30C81C46A35CE411E5FBC1191A0A52EF:71AB47A086E86EEDF39D1C5BBA97C408:0
AES-256-OFB:603DEB1015CA71BE2B73AEF0857D77811F352C073B6108D72D9810A30914DFF4:41635BE625B48AFC1666DD42A09D96E7:F69F2445DF4F9B17AD2B417BE66C3710:0126141D67F37BE8538F5A8BE740E484:0
# AES-192 CBC-mode test from upstream OpenSSL.
AES-192-CBC:8E73B0F7DA0E6452C810F32B809079E562F8EAD2522C6B7B:000102030405060708090A0B0C0D0E0F:6BC1BEE22E409F96E93D7E117393172A:4F021DB243BC633D7178183A9FA071E8
AES-192-CBC:8E73B0F7DA0E6452C810F32B809079E562F8EAD2522C6B7B:4F021DB243BC633D7178183A9FA071E8:AE2D8A571E03AC9C9EB76FAC45AF8E51:B4D9ADA9AD7DEDF4E5E738763F69145A
AES-192-CBC:8E73B0F7DA0E6452C810F32B809079E562F8EAD2522C6B7B:B4D9ADA9AD7DEDF4E5E738763F69145A:30C81C46A35CE411E5FBC1191A0A52EF:571B242012FB7AE07FA9BAAC3DF102E0
AES-192-CBC:8E73B0F7DA0E6452C810F32B809079E562F8EAD2522C6B7B:571B242012FB7AE07FA9BAAC3DF102E0:F69F2445DF4F9B17AD2B417BE66C3710:08B0E27988598881D920A9E64F5615CD

6
include/openssl/cipher.h
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@ -92,6 +92,11 @@ OPENSSL_EXPORT const EVP_CIPHER *EVP_aes_256_ofb(void);
OPENSSL_EXPORT const EVP_CIPHER *EVP_aes_128_gcm(void);
OPENSSL_EXPORT const EVP_CIPHER *EVP_aes_256_gcm(void);
/* Deprecated 192-bit version of AES. */
OPENSSL_EXPORT const EVP_CIPHER *EVP_aes_192_cbc(void);
OPENSSL_EXPORT const EVP_CIPHER *EVP_aes_192_ctr(void);
OPENSSL_EXPORT const EVP_CIPHER *EVP_aes_192_gcm(void);
/* EVP_enc_null returns a 'cipher' that passes plaintext through as
* ciphertext. */
OPENSSL_EXPORT const EVP_CIPHER *EVP_enc_null(void);
@ -494,7 +499,6 @@ typedef struct evp_cipher_info_st {
* Android they'll have no definition. */
OPENSSL_EXPORT const EVP_CIPHER *EVP_aes_192_ecb(void);
OPENSSL_EXPORT const EVP_CIPHER *EVP_aes_192_cbc(void);
#if defined(__cplusplus)