diff options
Diffstat (limited to 'crypto/ablkcipher.c')
| -rw-r--r-- | crypto/ablkcipher.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c index 94140b3756fc..e11ce37c7104 100644 --- a/crypto/ablkcipher.c +++ b/crypto/ablkcipher.c @@ -282,6 +282,25 @@ static struct crypto_alg *crypto_lookup_skcipher(const char *name, u32 type, alg->cra_ablkcipher.ivsize)) return alg; + crypto_mod_put(alg); + alg = crypto_alg_mod_lookup(name, type | CRYPTO_ALG_TESTED, + mask & ~CRYPTO_ALG_TESTED); + if (IS_ERR(alg)) + return alg; + + if ((alg->cra_flags & CRYPTO_ALG_TYPE_MASK) == + CRYPTO_ALG_TYPE_GIVCIPHER) { + if ((alg->cra_flags ^ type ^ ~mask) & CRYPTO_ALG_TESTED) { + crypto_mod_put(alg); + alg = ERR_PTR(-ENOENT); + } + return alg; + } + + BUG_ON(!((alg->cra_flags & CRYPTO_ALG_TYPE_MASK) == + CRYPTO_ALG_TYPE_BLKCIPHER ? alg->cra_blkcipher.ivsize : + alg->cra_ablkcipher.ivsize)); + return ERR_PTR(crypto_givcipher_default(alg, type, mask)); } |