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crypto: add support for the serpent cipher algorithm

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New cipher algorithms 'serpent-128', 'serpent-192' and
'serpent-256' are defined for the Serpent algorithm.

The nettle and gcrypt cipher backends are updated to
support the new cipher and a test vector added to the
cipher test suite. The new algorithm is enabled in the
LUKS block encryption driver.

Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrange 2016-02-10 17:07:42 +00:00
parent 084a85eedd
commit 94318522ed
5 changed files with 99 additions and 1 deletions
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39
tests/test-crypto-cipher.c
View file

@ -174,6 +174,45 @@ static QCryptoCipherTestData test_data[] = {
.plaintext = "0123456789abcdef",
.ciphertext = "238b4fe5847e44b2",
},
{
/* libgcrypt serpent.c */
.path = "/crypto/cipher/serpent-128",
.alg = QCRYPTO_CIPHER_ALG_SERPENT_128,
.mode = QCRYPTO_CIPHER_MODE_ECB,
.key = "00000000000000000000000000000000",
.plaintext = "d29d576fcea3a3a7ed9099f29273d78e",
.ciphertext = "b2288b968ae8b08648d1ce9606fd992d",
},
{
/* libgcrypt serpent.c */
.path = "/crypto/cipher/serpent-192",
.alg = QCRYPTO_CIPHER_ALG_SERPENT_192,
.mode = QCRYPTO_CIPHER_MODE_ECB,
.key = "00000000000000000000000000000000"
"0000000000000000",
.plaintext = "d29d576fceaba3a7ed9899f2927bd78e",
.ciphertext = "130e353e1037c22405e8faefb2c3c3e9",
},
{
/* libgcrypt serpent.c */
.path = "/crypto/cipher/serpent-256a",
.alg = QCRYPTO_CIPHER_ALG_SERPENT_256,
.mode = QCRYPTO_CIPHER_MODE_ECB,
.key = "00000000000000000000000000000000"
"00000000000000000000000000000000",
.plaintext = "d095576fcea3e3a7ed98d9f29073d78e",
.ciphertext = "b90ee5862de69168f2bdd5125b45472b",
},
{
/* libgcrypt serpent.c */
.path = "/crypto/cipher/serpent-256b",
.alg = QCRYPTO_CIPHER_ALG_SERPENT_256,
.mode = QCRYPTO_CIPHER_MODE_ECB,
.key = "00000000000000000000000000000000"
"00000000000000000000000000000000",
.plaintext = "00000000010000000200000003000000",
.ciphertext = "2061a42782bd52ec691ec383b03ba77c",
},
};