root/arch/x86/crypto/aes_glue.c

DEFINITIONS

1. aes_encrypt
2. aes_decrypt
3. aes_init
4. aes_fini

/*
 * Glue Code for the asm optimized version of the AES Cipher Algorithm
 *
 */

#include <crypto/aes.h>

asmlinkage void aes_enc_blk(struct crypto_tfm *tfm, u8 *out, const u8 *in);
asmlinkage void aes_dec_blk(struct crypto_tfm *tfm, u8 *out, const u8 *in);

static void aes_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
{
        aes_enc_blk(tfm, dst, src);
}

static void aes_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
{
        aes_dec_blk(tfm, dst, src);
}

static struct crypto_alg aes_alg = {
        .cra_name               = "aes",
        .cra_driver_name        = "aes-asm",
        .cra_priority           = 200,
        .cra_flags              = CRYPTO_ALG_TYPE_CIPHER,
        .cra_blocksize          = AES_BLOCK_SIZE,
        .cra_ctxsize            = sizeof(struct crypto_aes_ctx),
        .cra_module             = THIS_MODULE,
        .cra_list               = LIST_HEAD_INIT(aes_alg.cra_list),
        .cra_u  = {
                .cipher = {
                        .cia_min_keysize        = AES_MIN_KEY_SIZE,
                        .cia_max_keysize        = AES_MAX_KEY_SIZE,
                        .cia_setkey             = crypto_aes_set_key,
                        .cia_encrypt            = aes_encrypt,
                        .cia_decrypt            = aes_decrypt
                }
        }
};

static int __init aes_init(void)
{
        return crypto_register_alg(&aes_alg);
}

static void __exit aes_fini(void)
{
        crypto_unregister_alg(&aes_alg);
}

module_init(aes_init);
module_exit(aes_fini);

MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm, asm optimized");
MODULE_LICENSE("GPL");
MODULE_ALIAS("aes");
MODULE_ALIAS("aes-asm");