1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #include <linux/types.h> 3 #include <crypto/aes.h> 4 5 #define AES_BLOCK_MASK (~(AES_BLOCK_SIZE-1)) 6 7 struct aes_key { 8 u8 key[AES_MAX_KEYLENGTH]; 9 int rounds; 10 }; 11 12 int aes_p8_set_encrypt_key(const u8 *userKey, const int bits, 13 struct aes_key *key); 14 int aes_p8_set_decrypt_key(const u8 *userKey, const int bits, 15 struct aes_key *key); 16 void aes_p8_encrypt(const u8 *in, u8 *out, const struct aes_key *key); 17 void aes_p8_decrypt(const u8 *in, u8 *out, const struct aes_key *key); 18 void aes_p8_cbc_encrypt(const u8 *in, u8 *out, size_t len, 19 const struct aes_key *key, u8 *iv, const int enc); 20 void aes_p8_ctr32_encrypt_blocks(const u8 *in, u8 *out, 21 size_t len, const struct aes_key *key, 22 const u8 *iv); 23 void aes_p8_xts_encrypt(const u8 *in, u8 *out, size_t len, 24 const struct aes_key *key1, const struct aes_key *key2, u8 *iv); 25 void aes_p8_xts_decrypt(const u8 *in, u8 *out, size_t len, 26 const struct aes_key *key1, const struct aes_key *key2, u8 *iv); 27