148 	const struct ssh_digest *digest = ssh_digest_by_alg(alg);  in ssh_digest_alg_name()  local
150 	return digest == NULL ? NULL : digest->name;  in ssh_digest_alg_name()
156 	const struct ssh_digest *digest = ssh_digest_by_alg(alg);  in ssh_digest_bytes()  local
158 	return digest == NULL ? 0 : digest->digest_len;  in ssh_digest_bytes()
164 	const struct ssh_digest *digest = ssh_digest_by_alg(ctx->alg);  in ssh_digest_blocksize()  local
166 	return digest == NULL ? 0 : digest->block_len;  in ssh_digest_blocksize()
172 	const struct ssh_digest *digest = ssh_digest_by_alg(alg);  in ssh_digest_start()  local
175 	if (digest == NULL || (ret = calloc(1, sizeof(*ret))) == NULL)  in ssh_digest_start()
177 	if ((ret->mdctx = calloc(1, digest->ctx_len)) == NULL) {  in ssh_digest_start()
182 	digest->md_init(ret->mdctx);  in ssh_digest_start()
189 	const struct ssh_digest *digest = ssh_digest_by_alg(from->alg);  in ssh_digest_copy_state()  local
191 	if (digest == NULL || from->alg != to->alg)  in ssh_digest_copy_state()
193 	memcpy(to->mdctx, from->mdctx, digest->ctx_len);  in ssh_digest_copy_state()
200 	const struct ssh_digest *digest = ssh_digest_by_alg(ctx->alg);  in ssh_digest_update()  local
202 	if (digest == NULL)  in ssh_digest_update()
204 	digest->md_update(ctx->mdctx, m, mlen);  in ssh_digest_update()
217 	const struct ssh_digest *digest = ssh_digest_by_alg(ctx->alg);  in ssh_digest_final()  local
219 	if (digest == NULL)  in ssh_digest_final()
223 	if (dlen < digest->digest_len) /* No truncation allowed */  in ssh_digest_final()
225 	digest->md_final(d, ctx->mdctx);  in ssh_digest_final()
232 	const struct ssh_digest *digest;  in ssh_digest_free()  local
235 		digest = ssh_digest_by_alg(ctx->alg);  in ssh_digest_free()
236 		if (digest) {  in ssh_digest_free()
237 			explicit_bzero(ctx->mdctx, digest->ctx_len);  in ssh_digest_free()