2  * One-key CBC MAC (OMAC1) hash with AES
4  * Copyright (c) 2003-2007, Jouni Malinen <j@w1.fi>
21 	for (i = 0; i < AES_BLOCK_SIZE - 1; i++)  in gf_mulx()
23 	pad[AES_BLOCK_SIZE - 1] <<= 1;  in gf_mulx()
25 		pad[AES_BLOCK_SIZE - 1] ^= 0x87;  in gf_mulx()
30  * omac1_aes_vector - One-Key CBC MAC (OMAC1) hash with AES
36  * @mac: Buffer for MAC (128 bits, i.e., 16 bytes)
37  * Returns: 0 on success, -1 on failure
39  * This is a mode for using block cipher (AES in this case) for authentication.
41  * (SP) 800-38B.
44 		     const u8 *addr[], const size_t *len, u8 *mac)  in omac1_aes_vector()  argument
52 		return -1;  in omac1_aes_vector()
56 		return -1;  in omac1_aes_vector()
86 		left -= AES_BLOCK_SIZE;  in omac1_aes_vector()
114 	aes_encrypt(ctx, pad, mac);  in omac1_aes_vector()
121  * omac1_aes_128_vector - One-Key CBC MAC (OMAC1) hash with AES-128
122  * @key: 128-bit key for the hash operation
126  * @mac: Buffer for MAC (128 bits, i.e., 16 bytes)
127  * Returns: 0 on success, -1 on failure
129  * This is a mode for using block cipher (AES in this case) for authentication.
131  * (SP) 800-38B.
134 			 const u8 *addr[], const size_t *len, u8 *mac)  in omac1_aes_128_vector()  argument
136 	return omac1_aes_vector(key, 16, num_elem, addr, len, mac);  in omac1_aes_128_vector()
141  * omac1_aes_128 - One-Key CBC MAC (OMAC1) hash with AES-128 (aka AES-CMAC)
142  * @key: 128-bit key for the hash operation
143  * @data: Data buffer for which a MAC is determined
145  * @mac: Buffer for MAC (128 bits, i.e., 16 bytes)
146  * Returns: 0 on success, -1 on failure
148  * This is a mode for using block cipher (AES in this case) for authentication.
150  * (SP) 800-38B.
152 int omac1_aes_128(const u8 *key, const u8 *data, size_t data_len, u8 *mac)  in omac1_aes_128()  argument
154 	return omac1_aes_128_vector(key, 1, &data, &data_len, mac);  in omac1_aes_128()
159  * omac1_aes_256 - One-Key CBC MAC (OMAC1) hash with AES-256 (aka AES-CMAC)
160  * @key: 256-bit key for the hash operation
161  * @data: Data buffer for which a MAC is determined
163  * @mac: Buffer for MAC (128 bits, i.e., 16 bytes)
164  * Returns: 0 on success, -1 on failure
166  * This is a mode for using block cipher (AES in this case) for authentication.
168  * (SP) 800-38B.
170 int omac1_aes_256(const u8 *key, const u8 *data, size_t data_len, u8 *mac)  in omac1_aes_256()  argument
172 	return omac1_aes_vector(key, 32, 1, &data, &data_len, mac);  in omac1_aes_256()