diff options
| author | Herbert Xu <herbert@gondor.apana.org.au> | 2019-04-11 16:51:08 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2019-04-18 22:15:00 +0800 |
| commit | 94fc2e0be0e687958e87f58cf8fdfbeafe33cfce (patch) | |
| tree | 3627d5b8807fbc91409f59944777d8d1cddcf7ca /drivers/crypto/hisilicon | |
| parent | 270e21da4890afedddec48a626e1a07ff6595fc6 (diff) | |
crypto: hisilicon - Forbid 2-key 3DES in FIPS mode
This patch forbids the use of 2-key 3DES (K1 == K3) in FIPS mode.
It also removes a couple of unnecessary key length checks that
are already performed by the crypto API.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/hisilicon')
| -rw-r--r-- | drivers/crypto/hisilicon/sec/sec_algs.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/crypto/hisilicon/sec/sec_algs.c b/drivers/crypto/hisilicon/sec/sec_algs.c index adc0cd8ae97b..02768af0dccd 100644 --- a/drivers/crypto/hisilicon/sec/sec_algs.c +++ b/drivers/crypto/hisilicon/sec/sec_algs.c @@ -365,20 +365,16 @@ static int sec_alg_skcipher_setkey_des_cbc(struct crypto_skcipher *tfm, static int sec_alg_skcipher_setkey_3des_ecb(struct crypto_skcipher *tfm, const u8 *key, unsigned int keylen) { - if (keylen != DES_KEY_SIZE * 3) - return -EINVAL; - - return sec_alg_skcipher_setkey(tfm, key, keylen, + return unlikely(des3_verify_key(tfm, key)) ?: + sec_alg_skcipher_setkey(tfm, key, keylen, SEC_C_3DES_ECB_192_3KEY); } static int sec_alg_skcipher_setkey_3des_cbc(struct crypto_skcipher *tfm, const u8 *key, unsigned int keylen) { - if (keylen != DES3_EDE_KEY_SIZE) - return -EINVAL; - - return sec_alg_skcipher_setkey(tfm, key, keylen, + return unlikely(des3_verify_key(tfm, key)) ?: + sec_alg_skcipher_setkey(tfm, key, keylen, SEC_C_3DES_CBC_192_3KEY); } |