/* * Glue Code for the asm optimized version of the AES Cipher Algorithm * */ #include <crypto/aes.h> asmlinkage void aes_enc_blk(struct crypto_aes_ctx *ctx, u8 *out, const u8 *in); asmlinkage void aes_dec_blk(struct crypto_aes_ctx *ctx, u8 *out, const u8 *in); void crypto_aes_encrypt_x86(struct crypto_aes_ctx *ctx, u8 *dst, const u8 *src) { aes_enc_blk(ctx, dst, src); } EXPORT_SYMBOL_GPL(crypto_aes_encrypt_x86); void crypto_aes_decrypt_x86(struct crypto_aes_ctx *ctx, u8 *dst, const u8 *src) { aes_dec_blk(ctx, dst, src); } EXPORT_SYMBOL_GPL(crypto_aes_decrypt_x86); static void aes_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) { aes_enc_blk(crypto_tfm_ctx(tfm), dst, src); } static void aes_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) { aes_dec_blk(crypto_tfm_ctx(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");