diff options
Diffstat (limited to 'arch/sparc/crypto/aes_glue.c')
| -rw-r--r-- | arch/sparc/crypto/aes_glue.c | 140 |
1 files changed, 5 insertions, 135 deletions
diff --git a/arch/sparc/crypto/aes_glue.c b/arch/sparc/crypto/aes_glue.c index 359f22643b05..661561837415 100644 --- a/arch/sparc/crypto/aes_glue.c +++ b/arch/sparc/crypto/aes_glue.c @@ -32,8 +32,6 @@ #include <asm/elf.h> struct aes_ops { - void (*encrypt)(const u64 *key, const u32 *input, u32 *output); - void (*decrypt)(const u64 *key, const u32 *input, u32 *output); void (*load_encrypt_keys)(const u64 *key); void (*load_decrypt_keys)(const u64 *key); void (*ecb_encrypt)(const u64 *key, const u64 *input, u64 *output, @@ -55,79 +53,7 @@ struct crypto_sparc64_aes_ctx { u32 expanded_key_length; }; -extern void aes_sparc64_encrypt_128(const u64 *key, const u32 *input, - u32 *output); -extern void aes_sparc64_encrypt_192(const u64 *key, const u32 *input, - u32 *output); -extern void aes_sparc64_encrypt_256(const u64 *key, const u32 *input, - u32 *output); - -extern void aes_sparc64_decrypt_128(const u64 *key, const u32 *input, - u32 *output); -extern void aes_sparc64_decrypt_192(const u64 *key, const u32 *input, - u32 *output); -extern void aes_sparc64_decrypt_256(const u64 *key, const u32 *input, - u32 *output); - -extern void aes_sparc64_load_encrypt_keys_128(const u64 *key); -extern void aes_sparc64_load_encrypt_keys_192(const u64 *key); -extern void aes_sparc64_load_encrypt_keys_256(const u64 *key); - -extern void aes_sparc64_load_decrypt_keys_128(const u64 *key); -extern void aes_sparc64_load_decrypt_keys_192(const u64 *key); -extern void aes_sparc64_load_decrypt_keys_256(const u64 *key); - -extern void aes_sparc64_ecb_encrypt_128(const u64 *key, const u64 *input, - u64 *output, unsigned int len); -extern void aes_sparc64_ecb_encrypt_192(const u64 *key, const u64 *input, - u64 *output, unsigned int len); -extern void aes_sparc64_ecb_encrypt_256(const u64 *key, const u64 *input, - u64 *output, unsigned int len); - -extern void aes_sparc64_ecb_decrypt_128(const u64 *key, const u64 *input, - u64 *output, unsigned int len); -extern void aes_sparc64_ecb_decrypt_192(const u64 *key, const u64 *input, - u64 *output, unsigned int len); -extern void aes_sparc64_ecb_decrypt_256(const u64 *key, const u64 *input, - u64 *output, unsigned int len); - -extern void aes_sparc64_cbc_encrypt_128(const u64 *key, const u64 *input, - u64 *output, unsigned int len, - u64 *iv); - -extern void aes_sparc64_cbc_encrypt_192(const u64 *key, const u64 *input, - u64 *output, unsigned int len, - u64 *iv); - -extern void aes_sparc64_cbc_encrypt_256(const u64 *key, const u64 *input, - u64 *output, unsigned int len, - u64 *iv); - -extern void aes_sparc64_cbc_decrypt_128(const u64 *key, const u64 *input, - u64 *output, unsigned int len, - u64 *iv); - -extern void aes_sparc64_cbc_decrypt_192(const u64 *key, const u64 *input, - u64 *output, unsigned int len, - u64 *iv); - -extern void aes_sparc64_cbc_decrypt_256(const u64 *key, const u64 *input, - u64 *output, unsigned int len, - u64 *iv); - -extern void aes_sparc64_ctr_crypt_128(const u64 *key, const u64 *input, - u64 *output, unsigned int len, - u64 *iv); -extern void aes_sparc64_ctr_crypt_192(const u64 *key, const u64 *input, - u64 *output, unsigned int len, - u64 *iv); -extern void aes_sparc64_ctr_crypt_256(const u64 *key, const u64 *input, - u64 *output, unsigned int len, - u64 *iv); - static struct aes_ops aes128_ops = { - .encrypt = aes_sparc64_encrypt_128, - .decrypt = aes_sparc64_decrypt_128, .load_encrypt_keys = aes_sparc64_load_encrypt_keys_128, .load_decrypt_keys = aes_sparc64_load_decrypt_keys_128, .ecb_encrypt = aes_sparc64_ecb_encrypt_128, @@ -138,8 +64,6 @@ static struct aes_ops aes128_ops = { }; static struct aes_ops aes192_ops = { - .encrypt = aes_sparc64_encrypt_192, - .decrypt = aes_sparc64_decrypt_192, .load_encrypt_keys = aes_sparc64_load_encrypt_keys_192, .load_decrypt_keys = aes_sparc64_load_decrypt_keys_192, .ecb_encrypt = aes_sparc64_ecb_encrypt_192, @@ -150,8 +74,6 @@ static struct aes_ops aes192_ops = { }; static struct aes_ops aes256_ops = { - .encrypt = aes_sparc64_encrypt_256, - .decrypt = aes_sparc64_decrypt_256, .load_encrypt_keys = aes_sparc64_load_encrypt_keys_256, .load_decrypt_keys = aes_sparc64_load_decrypt_keys_256, .ecb_encrypt = aes_sparc64_ecb_encrypt_256, @@ -161,13 +83,10 @@ static struct aes_ops aes256_ops = { .ctr_crypt = aes_sparc64_ctr_crypt_256, }; -extern void aes_sparc64_key_expand(const u32 *in_key, u64 *output_key, - unsigned int key_len); - -static int aes_set_key(struct crypto_tfm *tfm, const u8 *in_key, - unsigned int key_len) +static int aes_set_key_skcipher(struct crypto_skcipher *tfm, const u8 *in_key, + unsigned int key_len) { - struct crypto_sparc64_aes_ctx *ctx = crypto_tfm_ctx(tfm); + struct crypto_sparc64_aes_ctx *ctx = crypto_skcipher_ctx(tfm); switch (key_len) { case AES_KEYSIZE_128: @@ -195,26 +114,6 @@ static int aes_set_key(struct crypto_tfm *tfm, const u8 *in_key, return 0; } -static int aes_set_key_skcipher(struct crypto_skcipher *tfm, const u8 *in_key, - unsigned int key_len) -{ - return aes_set_key(crypto_skcipher_tfm(tfm), in_key, key_len); -} - -static void crypto_aes_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) -{ - struct crypto_sparc64_aes_ctx *ctx = crypto_tfm_ctx(tfm); - - ctx->ops->encrypt(&ctx->key[0], (const u32 *) src, (u32 *) dst); -} - -static void crypto_aes_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src) -{ - struct crypto_sparc64_aes_ctx *ctx = crypto_tfm_ctx(tfm); - - ctx->ops->decrypt(&ctx->key[0], (const u32 *) src, (u32 *) dst); -} - static int ecb_encrypt(struct skcipher_request *req) { struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req); @@ -358,26 +257,6 @@ static int ctr_crypt(struct skcipher_request *req) return err; } -static struct crypto_alg cipher_alg = { - .cra_name = "aes", - .cra_driver_name = "aes-sparc64", - .cra_priority = SPARC_CR_OPCODE_PRIORITY, - .cra_flags = CRYPTO_ALG_TYPE_CIPHER, - .cra_blocksize = AES_BLOCK_SIZE, - .cra_ctxsize = sizeof(struct crypto_sparc64_aes_ctx), - .cra_alignmask = 3, - .cra_module = THIS_MODULE, - .cra_u = { - .cipher = { - .cia_min_keysize = AES_MIN_KEY_SIZE, - .cia_max_keysize = AES_MAX_KEY_SIZE, - .cia_setkey = aes_set_key, - .cia_encrypt = crypto_aes_encrypt, - .cia_decrypt = crypto_aes_decrypt - } - } -}; - static struct skcipher_alg skcipher_algs[] = { { .base.cra_name = "ecb(aes)", @@ -440,26 +319,17 @@ static bool __init sparc64_has_aes_opcode(void) static int __init aes_sparc64_mod_init(void) { - int err; - if (!sparc64_has_aes_opcode()) { pr_info("sparc64 aes opcodes not available.\n"); return -ENODEV; } pr_info("Using sparc64 aes opcodes optimized AES implementation\n"); - err = crypto_register_alg(&cipher_alg); - if (err) - return err; - err = crypto_register_skciphers(skcipher_algs, - ARRAY_SIZE(skcipher_algs)); - if (err) - crypto_unregister_alg(&cipher_alg); - return err; + return crypto_register_skciphers(skcipher_algs, + ARRAY_SIZE(skcipher_algs)); } static void __exit aes_sparc64_mod_fini(void) { - crypto_unregister_alg(&cipher_alg); crypto_unregister_skciphers(skcipher_algs, ARRAY_SIZE(skcipher_algs)); } |
