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Release 4.9 arch/arm/crypto/aes_glue.c

Directory: arch/arm/crypto
/*
 * Glue Code for the asm optimized version of the AES Cipher Algorithm
 */

#include <linux/module.h>
#include <linux/crypto.h>
#include <crypto/aes.h>

#include "aes_glue.h"


EXPORT_SYMBOL(AES_encrypt);

EXPORT_SYMBOL(AES_decrypt);

EXPORT_SYMBOL(private_AES_set_encrypt_key);

EXPORT_SYMBOL(private_AES_set_decrypt_key);


static void aes_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) { struct AES_CTX *ctx = crypto_tfm_ctx(tfm); AES_encrypt(src, dst, &ctx->enc_key); }

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david mcculloughdavid mccullough42100.00%1100.00%
Total42100.00%1100.00%


static void aes_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) { struct AES_CTX *ctx = crypto_tfm_ctx(tfm); AES_decrypt(src, dst, &ctx->dec_key); }

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david mcculloughdavid mccullough42100.00%1100.00%
Total42100.00%1100.00%


static int aes_set_key(struct crypto_tfm *tfm, const u8 *in_key, unsigned int key_len) { struct AES_CTX *ctx = crypto_tfm_ctx(tfm); switch (key_len) { case AES_KEYSIZE_128: key_len = 128; break; case AES_KEYSIZE_192: key_len = 192; break; case AES_KEYSIZE_256: key_len = 256; break; default: tfm->crt_flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; return -EINVAL; } if (private_AES_set_encrypt_key(in_key, key_len, &ctx->enc_key) == -1) { tfm->crt_flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; return -EINVAL; } /* private_AES_set_decrypt_key expects an encryption key as input */ ctx->dec_key = ctx->enc_key; if (private_AES_set_decrypt_key(in_key, key_len, &ctx->dec_key) == -1) { tfm->crt_flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; return -EINVAL; } return 0; }

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david mcculloughdavid mccullough141100.00%1100.00%
Total141100.00%1100.00%

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 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 = aes_set_key, .cia_encrypt = aes_encrypt, .cia_decrypt = aes_decrypt } } };
static int __init aes_init(void) { return crypto_register_alg(&aes_alg); }

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david mcculloughdavid mccullough16100.00%1100.00%
Total16100.00%1100.00%


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

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david mcculloughdavid mccullough15100.00%1100.00%
Total15100.00%1100.00%

module_init(aes_init); module_exit(aes_fini); MODULE_DESCRIPTION("Rijndael (AES) Cipher Algorithm (ASM)"); MODULE_LICENSE("GPL"); MODULE_ALIAS_CRYPTO("aes"); MODULE_ALIAS_CRYPTO("aes-asm"); MODULE_AUTHOR("David McCullough <ucdevel@gmail.com>");

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david mcculloughdavid mccullough39394.70%133.33%
ard biesheuvelard biesheuvel204.82%133.33%
kees cookkees cook20.48%133.33%
Total415100.00%3100.00%
Directory: arch/arm/crypto