176 int vb2_verify_signature(const struct vb2_signature *sig, uint32_t size)  in vb2_verify_signature()  argument
183 	if (sig->c.magic != VB2_MAGIC_SIGNATURE)  in vb2_verify_signature()
187 	rv = vb2_verify_common_header(sig, size);  in vb2_verify_signature()
196 	if (sig->c.struct_version_major != VB2_SIGNATURE_VERSION_MAJOR)  in vb2_verify_signature()
200 	if (sig->c.fixed_size < sizeof(*sig))  in vb2_verify_signature()
204 	rv = vb2_verify_common_member(sig, &min_offset,  in vb2_verify_signature()
205 				      sig->sig_offset, sig->sig_size);  in vb2_verify_signature()
210 	expect_sig_size = vb2_sig_size(sig->sig_alg, sig->hash_alg);  in vb2_verify_signature()
213 	if (sig->sig_size != expect_sig_size)  in vb2_verify_signature()
222 static uint8_t *vb2_signature_data(struct vb2_signature *sig)  in vb2_signature_data()  argument
224 	return (uint8_t *)sig + sig->sig_offset;  in vb2_signature_data()
228 		      struct vb2_signature *sig,  in vb2_verify_digest()  argument
239 	if (key->sig_alg != sig->sig_alg || key->hash_alg != sig->hash_alg)  in vb2_verify_digest()
242 	if (sig->sig_size != key_sig_size)  in vb2_verify_digest()
247 		if (vb2_safe_memcmp(vb2_signature_data(sig),  in vb2_verify_digest()
255 					     vb2_signature_data(sig),  in vb2_verify_digest()
262 		    struct vb2_signature *sig,  in vb2_verify_data()  argument
272 	if (sig->data_size != size) {  in vb2_verify_data()
305 	return vb2_verify_digest(key, sig, digest, &wblocal);  in vb2_verify_data()
345 		struct vb2_signature *sig;  in vb2_verify_keyblock()  local
353 		sig = (struct vb2_signature *)((uint8_t *)block + sig_offset);  in vb2_verify_keyblock()
356 		rv = vb2_verify_signature(sig,  in vb2_verify_keyblock()
362 		if (memcmp(&sig->guid, key->guid, GUID_SIZE))  in vb2_verify_keyblock()
366 		if (sig->data_size != block->sig_offset)  in vb2_verify_keyblock()
369 		return vb2_verify_data(block, block->sig_offset, sig, key, wb);  in vb2_verify_keyblock()
381 	struct vb2_signature *sig;  in vb2_verify_fw_preamble()  local
415 		sig = (struct vb2_signature *)  in vb2_verify_fw_preamble()
420 				sig, preamble->c.total_size - hash_offset);  in vb2_verify_fw_preamble()
425 		if (sig->sig_alg != VB2_SIG_NONE)  in vb2_verify_fw_preamble()
436 	sig = (struct vb2_signature *)((uint8_t *)preamble +  in vb2_verify_fw_preamble()
439 	rv = vb2_verify_data(preamble, preamble->sig_offset, sig, key, wb);  in vb2_verify_fw_preamble()