-/*
+/*
* Cryptographic API.
*
* Null algorithms, aka Much Ado About Nothing.
*
* These are needed for IPsec, and may be useful in general for
* testing & debugging.
- *
+ *
* The null cipher is compliant with RFC2410.
*
* Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
*
*/
+#include <crypto/internal/hash.h>
#include <crypto/internal/skcipher.h>
#include <linux/init.h>
#include <linux/module.h>
return 0;
}
-static void null_init(struct crypto_tfm *tfm)
-{ }
+static int null_init(struct shash_desc *desc)
+{
+ return 0;
+}
-static void null_update(struct crypto_tfm *tfm, const u8 *data,
- unsigned int len)
-{ }
+static int null_update(struct shash_desc *desc, const u8 *data,
+ unsigned int len)
+{
+ return 0;
+}
-static void null_final(struct crypto_tfm *tfm, u8 *out)
-{ }
+static int null_final(struct shash_desc *desc, u8 *out)
+{
+ return 0;
+}
+
+static int null_digest(struct shash_desc *desc, const u8 *data,
+ unsigned int len, u8 *out)
+{
+ return 0;
+}
+
+static int null_hash_setkey(struct crypto_shash *tfm, const u8 *key,
+ unsigned int keylen)
+{ return 0; }
static int null_setkey(struct crypto_tfm *tfm, const u8 *key,
unsigned int keylen)
.coa_decompress = null_compress } }
};
-static struct crypto_alg digest_null = {
- .cra_name = "digest_null",
- .cra_flags = CRYPTO_ALG_TYPE_DIGEST,
- .cra_blocksize = NULL_BLOCK_SIZE,
- .cra_ctxsize = 0,
- .cra_module = THIS_MODULE,
- .cra_list = LIST_HEAD_INIT(digest_null.cra_list),
- .cra_u = { .digest = {
- .dia_digestsize = NULL_DIGEST_SIZE,
- .dia_init = null_init,
- .dia_update = null_update,
- .dia_final = null_final } }
+static struct shash_alg digest_null = {
+ .digestsize = NULL_DIGEST_SIZE,
+ .setkey = null_hash_setkey,
+ .init = null_init,
+ .update = null_update,
+ .finup = null_digest,
+ .digest = null_digest,
+ .final = null_final,
+ .base = {
+ .cra_name = "digest_null",
+ .cra_flags = CRYPTO_ALG_TYPE_SHASH,
+ .cra_blocksize = NULL_BLOCK_SIZE,
+ .cra_module = THIS_MODULE,
+ }
};
static struct crypto_alg cipher_null = {
MODULE_ALIAS("digest_null");
MODULE_ALIAS("cipher_null");
-static int __init init(void)
+static int __init crypto_null_mod_init(void)
{
int ret = 0;
-
+
ret = crypto_register_alg(&cipher_null);
if (ret < 0)
goto out;
if (ret < 0)
goto out_unregister_cipher;
- ret = crypto_register_alg(&digest_null);
+ ret = crypto_register_shash(&digest_null);
if (ret < 0)
goto out_unregister_skcipher;
if (ret < 0)
goto out_unregister_digest;
-out:
+out:
return ret;
out_unregister_digest:
- crypto_unregister_alg(&digest_null);
+ crypto_unregister_shash(&digest_null);
out_unregister_skcipher:
crypto_unregister_alg(&skcipher_null);
out_unregister_cipher:
goto out;
}
-static void __exit fini(void)
+static void __exit crypto_null_mod_fini(void)
{
crypto_unregister_alg(&compress_null);
- crypto_unregister_alg(&digest_null);
+ crypto_unregister_shash(&digest_null);
crypto_unregister_alg(&skcipher_null);
crypto_unregister_alg(&cipher_null);
}
-module_init(init);
-module_exit(fini);
+module_init(crypto_null_mod_init);
+module_exit(crypto_null_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Null Cryptographic Algorithms");