51 		nblocks = nbytes / SM4_BLOCK_SIZE;  in sm4_ecb_do_crypt()
60 		err = skcipher_walk_done(&walk, nbytes % SM4_BLOCK_SIZE);  in sm4_ecb_do_crypt()
97 		while (nbytes >= SM4_BLOCK_SIZE) {  in sm4_cbc_encrypt()
98 			crypto_xor_cpy(dst, src, iv, SM4_BLOCK_SIZE);  in sm4_cbc_encrypt()
101 			src += SM4_BLOCK_SIZE;  in sm4_cbc_encrypt()
102 			dst += SM4_BLOCK_SIZE;  in sm4_cbc_encrypt()
103 			nbytes -= SM4_BLOCK_SIZE;  in sm4_cbc_encrypt()
106 			memcpy(walk.iv, iv, SM4_BLOCK_SIZE);  in sm4_cbc_encrypt()
129 		nblocks = nbytes / SM4_BLOCK_SIZE;  in sm4_cbc_decrypt()
139 		err = skcipher_walk_done(&walk, nbytes % SM4_BLOCK_SIZE);  in sm4_cbc_decrypt()
156 		u8 keystream[SM4_BLOCK_SIZE];  in sm4_cfb_encrypt()
161 		while (nbytes >= SM4_BLOCK_SIZE) {  in sm4_cfb_encrypt()
163 			crypto_xor_cpy(dst, src, keystream, SM4_BLOCK_SIZE);  in sm4_cfb_encrypt()
165 			src += SM4_BLOCK_SIZE;  in sm4_cfb_encrypt()
166 			dst += SM4_BLOCK_SIZE;  in sm4_cfb_encrypt()
167 			nbytes -= SM4_BLOCK_SIZE;  in sm4_cfb_encrypt()
170 			memcpy(walk.iv, iv, SM4_BLOCK_SIZE);  in sm4_cfb_encrypt()
200 		nblocks = nbytes / SM4_BLOCK_SIZE;  in sm4_cfb_decrypt()
209 			dst += nblocks * SM4_BLOCK_SIZE;  in sm4_cfb_decrypt()
210 			src += nblocks * SM4_BLOCK_SIZE;  in sm4_cfb_decrypt()
211 			nbytes -= nblocks * SM4_BLOCK_SIZE;  in sm4_cfb_decrypt()
216 			u8 keystream[SM4_BLOCK_SIZE];  in sm4_cfb_decrypt()
244 		nblocks = nbytes / SM4_BLOCK_SIZE;  in sm4_ctr_crypt()
253 			dst += nblocks * SM4_BLOCK_SIZE;  in sm4_ctr_crypt()
254 			src += nblocks * SM4_BLOCK_SIZE;  in sm4_ctr_crypt()
255 			nbytes -= nblocks * SM4_BLOCK_SIZE;  in sm4_ctr_crypt()
260 			u8 keystream[SM4_BLOCK_SIZE];  in sm4_ctr_crypt()
263 			crypto_inc(walk.iv, SM4_BLOCK_SIZE);  in sm4_ctr_crypt()
280 			.cra_blocksize		= SM4_BLOCK_SIZE,
294 			.cra_blocksize		= SM4_BLOCK_SIZE,
300 		.ivsize		= SM4_BLOCK_SIZE,
315 		.ivsize		= SM4_BLOCK_SIZE,
316 		.chunksize	= SM4_BLOCK_SIZE,
331 		.ivsize		= SM4_BLOCK_SIZE,
332 		.chunksize	= SM4_BLOCK_SIZE,