X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=crypto%2Fablkcipher.c;h=e11ce37c71043c4948b492a1fc97074a8164a436;hb=04a37e0f32f9882430bc1899899d2ed91b8aaf5b;hp=3bcb099b4a85bd779d752f7d42868c48cb07d87a;hpb=189ed66e95fb23666a62963b718dcbe62adbadde;p=safe%2Fjmp%2Flinux-2.6

diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c
index 3bcb099..e11ce37 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));
 }
 
@@ -341,6 +360,3 @@ err:
 	return ERR_PTR(err);
 }
 EXPORT_SYMBOL_GPL(crypto_alloc_ablkcipher);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("Asynchronous block chaining cipher type");