| .. | .. |
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| 1 | | -/* |
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| 2 | | - * Glue Code for the asm optimized version of the AES Cipher Algorithm |
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| 3 | | - * |
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| 4 | | - */ |
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| 5 | | - |
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| 6 | | -#include <linux/module.h> |
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| 7 | | -#include <crypto/aes.h> |
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| 8 | | -#include <asm/crypto/aes.h> |
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| 9 | | - |
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| 10 | | -asmlinkage void aes_enc_blk(struct crypto_aes_ctx *ctx, u8 *out, const u8 *in); |
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| 11 | | -asmlinkage void aes_dec_blk(struct crypto_aes_ctx *ctx, u8 *out, const u8 *in); |
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| 12 | | - |
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| 13 | | -void crypto_aes_encrypt_x86(struct crypto_aes_ctx *ctx, u8 *dst, const u8 *src) |
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| 14 | | -{ |
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| 15 | | - aes_enc_blk(ctx, dst, src); |
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| 16 | | -} |
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| 17 | | -EXPORT_SYMBOL_GPL(crypto_aes_encrypt_x86); |
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| 18 | | - |
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| 19 | | -void crypto_aes_decrypt_x86(struct crypto_aes_ctx *ctx, u8 *dst, const u8 *src) |
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| 20 | | -{ |
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| 21 | | - aes_dec_blk(ctx, dst, src); |
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| 22 | | -} |
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| 23 | | -EXPORT_SYMBOL_GPL(crypto_aes_decrypt_x86); |
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| 24 | | - |
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| 25 | | -static void aes_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) |
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| 26 | | -{ |
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| 27 | | - aes_enc_blk(crypto_tfm_ctx(tfm), dst, src); |
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| 28 | | -} |
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| 29 | | - |
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| 30 | | -static void aes_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) |
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| 31 | | -{ |
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| 32 | | - aes_dec_blk(crypto_tfm_ctx(tfm), dst, src); |
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| 33 | | -} |
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| 34 | | - |
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| 35 | | -static struct crypto_alg aes_alg = { |
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| 36 | | - .cra_name = "aes", |
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| 37 | | - .cra_driver_name = "aes-asm", |
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| 38 | | - .cra_priority = 200, |
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| 39 | | - .cra_flags = CRYPTO_ALG_TYPE_CIPHER, |
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| 40 | | - .cra_blocksize = AES_BLOCK_SIZE, |
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| 41 | | - .cra_ctxsize = sizeof(struct crypto_aes_ctx), |
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| 42 | | - .cra_module = THIS_MODULE, |
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| 43 | | - .cra_u = { |
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| 44 | | - .cipher = { |
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| 45 | | - .cia_min_keysize = AES_MIN_KEY_SIZE, |
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| 46 | | - .cia_max_keysize = AES_MAX_KEY_SIZE, |
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| 47 | | - .cia_setkey = crypto_aes_set_key, |
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| 48 | | - .cia_encrypt = aes_encrypt, |
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| 49 | | - .cia_decrypt = aes_decrypt |
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| 50 | | - } |
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| 51 | | - } |
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| 52 | | -}; |
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| 53 | | - |
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| 54 | | -static int __init aes_init(void) |
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| 55 | | -{ |
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| 56 | | - return crypto_register_alg(&aes_alg); |
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| 57 | | -} |
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| 58 | | - |
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| 59 | | -static void __exit aes_fini(void) |
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| 60 | | -{ |
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| 61 | | - crypto_unregister_alg(&aes_alg); |
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| 62 | | -} |
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| 63 | | - |
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| 64 | | -module_init(aes_init); |
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| 65 | | -module_exit(aes_fini); |
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| 66 | | - |
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| 67 | | -MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm, asm optimized"); |
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| 68 | | -MODULE_LICENSE("GPL"); |
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| 69 | | -MODULE_ALIAS_CRYPTO("aes"); |
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| 70 | | -MODULE_ALIAS_CRYPTO("aes-asm"); |
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| 1 | +// SPDX-License-Identifier: GPL-2.0-only |
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