998 	struct ssh_digest_ctx *hashctx = NULL;  in derive_key()  local
1013 	if ((hashctx = ssh_digest_start(kex->hash_alg)) == NULL ||  in derive_key()
1014 	    ssh_digest_update_buffer(hashctx, shared_secret) != 0 ||  in derive_key()
1015 	    ssh_digest_update(hashctx, hash, hashlen) != 0 ||  in derive_key()
1016 	    ssh_digest_update(hashctx, &c, 1) != 0 ||  in derive_key()
1017 	    ssh_digest_update(hashctx, kex->session_id,  in derive_key()
1019 	    ssh_digest_final(hashctx, digest, mdsz) != 0) {  in derive_key()
1024 	ssh_digest_free(hashctx);  in derive_key()
1025 	hashctx = NULL;  in derive_key()
1033 		if ((hashctx = ssh_digest_start(kex->hash_alg)) == NULL ||  in derive_key()
1034 		    ssh_digest_update_buffer(hashctx, shared_secret) != 0 ||  in derive_key()
1035 		    ssh_digest_update(hashctx, hash, hashlen) != 0 ||  in derive_key()
1036 		    ssh_digest_update(hashctx, digest, have) != 0 ||  in derive_key()
1037 		    ssh_digest_final(hashctx, digest + have, mdsz) != 0) {  in derive_key()
1042 		ssh_digest_free(hashctx);  in derive_key()
1043 		hashctx = NULL;  in derive_key()
1054 	ssh_digest_free(hashctx);  in derive_key()