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crypto: nitrox - Forbid 2-key 3DES in FIPS mode

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This patch forbids the use of 2-key 3DES (K1 == K3) in FIPS mode.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2019-04-11 16:51:04 +08:00
parent 3b2de7247f
commit 19291691b0
1 changed files with 2 additions and 6 deletions
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8
drivers/crypto/cavium/nitrox/nitrox_skcipher.c
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@ -257,12 +257,8 @@ static int nitrox_aes_decrypt(struct skcipher_request *skreq)
static int nitrox_3des_setkey(struct crypto_skcipher *cipher,
const u8 *key, unsigned int keylen)
{
if (keylen != DES3_EDE_KEY_SIZE) {
crypto_skcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN);
return -EINVAL;
}
return nitrox_skcipher_setkey(cipher, 0, key, keylen);
return unlikely(des3_verify_key(cipher, key)) ?:
nitrox_skcipher_setkey(cipher, 0, key, keylen);
}
static int nitrox_3des_encrypt(struct skcipher_request *skreq)