1/*
 2 * Glue Code for the asm optimized version of the AES Cipher Algorithm
 3 *
 4 */
 5
 6#include <crypto/aes.h>
 7
 8asmlinkage void aes_enc_blk(struct crypto_aes_ctx *ctx, u8 *out, const u8 *in);
 9asmlinkage void aes_dec_blk(struct crypto_aes_ctx *ctx, u8 *out, const u8 *in);
10
11void crypto_aes_encrypt_x86(struct crypto_aes_ctx *ctx, u8 *dst, const u8 *src)
12{
13	aes_enc_blk(ctx, dst, src);
14}
15EXPORT_SYMBOL_GPL(crypto_aes_encrypt_x86);
16
17void crypto_aes_decrypt_x86(struct crypto_aes_ctx *ctx, u8 *dst, const u8 *src)
18{
19	aes_dec_blk(ctx, dst, src);
20}
21EXPORT_SYMBOL_GPL(crypto_aes_decrypt_x86);
22
23static void aes_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
24{
25	aes_enc_blk(crypto_tfm_ctx(tfm), dst, src);
26}
27
28static void aes_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
29{
30	aes_dec_blk(crypto_tfm_ctx(tfm), dst, src);
31}
32
33static struct crypto_alg aes_alg = {
34	.cra_name		= "aes",
35	.cra_driver_name	= "aes-asm",
36	.cra_priority		= 200,
37	.cra_flags		= CRYPTO_ALG_TYPE_CIPHER,
38	.cra_blocksize		= AES_BLOCK_SIZE,
39	.cra_ctxsize		= sizeof(struct crypto_aes_ctx),
40	.cra_module		= THIS_MODULE,
41	.cra_list		= LIST_HEAD_INIT(aes_alg.cra_list),
42	.cra_u	= {
43		.cipher	= {
44			.cia_min_keysize	= AES_MIN_KEY_SIZE,
45			.cia_max_keysize	= AES_MAX_KEY_SIZE,
46			.cia_setkey		= crypto_aes_set_key,
47			.cia_encrypt		= aes_encrypt,
48			.cia_decrypt		= aes_decrypt
49		}
50	}
51};
52
53static int __init aes_init(void)
54{
55	return crypto_register_alg(&aes_alg);
56}
57
58static void __exit aes_fini(void)
59{
60	crypto_unregister_alg(&aes_alg);
61}
62
63module_init(aes_init);
64module_exit(aes_fini);
65
66MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm, asm optimized");
67MODULE_LICENSE("GPL");
68MODULE_ALIAS("aes");
69MODULE_ALIAS("aes-asm");