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"); 70