static int skcipher_setkey_blkcipher(struct crypto_skcipher *tfm, @@ -216,32 +221,209 @@ static int crypto_init_skcipher_ops_ablkcipher(struct crypto_tfm *tfm) return 0; }static void crypto_skcipher_exit_tfm(struct crypto_tfm *tfm)...
crypto_skcipher_encrypt(req); skcipher_request_free(req); crypto_free_cipher(tfm); } 以上代码使用AES算法对输入的明文进行加密。它首先使用crypto_alloc_cipher函数分配一个AES算法的密码接口,并且使用crypto_cipher_setkey函数设置密钥。然后,它通过sg_set_buf函数将输入的明文和输出的密文绑定到scatterlist结构体...
if (flags & CRYPTO_LSKCIPHER_FLAG_FINAL) memcpy(req->iv, ivs, ivsize); return err; } @@ -278,6 +299,7 @@ static void __maybe_unused crypto_lskcipher_show( seq_printf(m, "max keysize : %u\n", skcipher->co.max_keysize); seq_printf(m, "ivsize : %u\n", skcipher->co.iv...
1struct skcipher_alg { 2 int (*setkey)(struct crypto_skcipher *tfm, const u8 *key, 3 unsigned int keylen); 4 int (*encrypt)(struct skcipher_request *req); 5 int (*decrypt)(struct skcipher_request *req); 6 int (*init)(struct crypto_skcipher *tfm); 7 void (*exit)(struct crypto...
crypto_free_skcipher(tfm); } static int aes_encrypt(const void *input, void *output, size_t len, const u8 *key, const u8 *iv) { struct scatterlist sg_in, sg_out; struct skcipher_request req; int ret; if (!tfm) return -EINVAL; ret = crypto_skcipher_setkey(tfm, key, AES_KEY_...
skcipher_request_free(req);}```2.**非对称加密**：你也可以在内核中使用非对称加密，如RSA。以下是一个使用RSA加密的示例：```c#include<linux/crypto.h>#include<crypto/asymmetric_keys.h> /*加密函数*/intrsa_encrypt(structkey*key,constu8*input,size_tinput_len,u8*output,size_toutput_len){ str...
static void crypt_kernel(char *in, int inlen, char *out, const char *key, char *oiv) { int opfd; int tfmfd; struct sockaddr_alg sa = { .salg_family = AF_ALG, .salg_type = "skcipher", .salg_name = "cbc(aes)" }; ...
int (*setkey)(struct crypto_ahash *tfm, const u8 *key, unsigned int keylen); int (*init_tfm)(struct crypto_ahash *tfm); void (*exit_tfm)(struct crypto_ahash *tfm); int (*clone_tfm)(struct crypto_ahash *dst, struct crypto_ahash *src); struct...
(req), align + 1); } static int crypto_gcm_setkey(struct crypto_aead *aead, const u8 *key, unsigned int keylen) { struct crypto_gcm_ctx *ctx = crypto_aead_ctx(aead); struct crypto_ahash *ghash = ctx->ghash; struct crypto_skcipher *ctr = ctx->ctr; struct { be128 hash; u8 ...
select CRYPTO_SKCIPHER select CRYPTO_MANAGER select CRYPTO_ECB help XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain, key size 256, 384 or 512 bits. This implementation currently can't handle a sectorsize which is not a multiple of 16 bytes. config CRYPTO_KEYWRAP...