97 	struct crypto_blkcipher *arc4;  member
164 	struct blkcipher_desc desc = { .tfm = state->arc4 };  in mppe_rekey()
168 		crypto_blkcipher_setkey(state->arc4, state->sha1_digest,  in mppe_rekey()
187 	crypto_blkcipher_setkey(state->arc4, state->session_key, state->keylen);  in mppe_rekey()
207 	state->arc4 = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC);  in mppe_alloc()
208 	if (IS_ERR(state->arc4)) {  in mppe_alloc()
209 		state->arc4 = NULL;  in mppe_alloc()
245 	    if (state->arc4)  in mppe_alloc()
246 		crypto_free_blkcipher(state->arc4);  in mppe_alloc()
263 	    if (state->arc4)  in mppe_free()
264 		crypto_free_blkcipher(state->arc4);  in mppe_free()
371 	struct blkcipher_desc desc = { .tfm = state->arc4 };  in mppe_compress()
478 	struct blkcipher_desc desc = { .tfm = state->arc4 };  in mppe_decompress()