152 	const struct ssh_digest *digest = ssh_digest_by_alg(alg);  in ssh_digest_alg_name()  local
154 	return digest == NULL ? NULL : digest->name;  in ssh_digest_alg_name()
160 	const struct ssh_digest *digest = ssh_digest_by_alg(alg);  in ssh_digest_bytes()  local
162 	return digest == NULL ? 0 : digest->digest_len;  in ssh_digest_bytes()
168 	const struct ssh_digest *digest = ssh_digest_by_alg(ctx->alg);  in ssh_digest_blocksize()  local
170 	return digest == NULL ? 0 : digest->block_len;  in ssh_digest_blocksize()
176 	const struct ssh_digest *digest = ssh_digest_by_alg(alg);  in ssh_digest_start()  local
179 	if (digest == NULL || (ret = calloc(1, sizeof(*ret))) == NULL)  in ssh_digest_start()
181 	if ((ret->mdctx = calloc(1, digest->ctx_len)) == NULL) {  in ssh_digest_start()
186 	digest->md_init(ret->mdctx);  in ssh_digest_start()
193 	const struct ssh_digest *digest = ssh_digest_by_alg(from->alg);  in ssh_digest_copy_state()  local
195 	if (digest == NULL || from->alg != to->alg)  in ssh_digest_copy_state()
197 	memcpy(to->mdctx, from->mdctx, digest->ctx_len);  in ssh_digest_copy_state()
204 	const struct ssh_digest *digest = ssh_digest_by_alg(ctx->alg);  in ssh_digest_update()  local
206 	if (digest == NULL)  in ssh_digest_update()
208 	digest->md_update(ctx->mdctx, m, mlen);  in ssh_digest_update()
221 	const struct ssh_digest *digest = ssh_digest_by_alg(ctx->alg);  in ssh_digest_final()  local
223 	if (digest == NULL)  in ssh_digest_final()
227 	if (dlen < digest->digest_len) /* No truncation allowed */  in ssh_digest_final()
229 	digest->md_final(d, ctx->mdctx);  in ssh_digest_final()
236 	const struct ssh_digest *digest;  in ssh_digest_free()  local
239 		digest = ssh_digest_by_alg(ctx->alg);  in ssh_digest_free()
240 		if (digest) {  in ssh_digest_free()
241 			explicit_bzero(ctx->mdctx, digest->ctx_len);  in ssh_digest_free()