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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef NET_CERT_INTERNAL_VERIFY_SIGNED_DATA_H_
#define NET_CERT_INTERNAL_VERIFY_SIGNED_DATA_H_
#include "base/compiler_specific.h"
#include "net/base/net_export.h"
namespace net {
namespace der {
class BitString;
class Input;
} // namespace der
class SignatureAlgorithm;
class SignaturePolicy;
// Verifies that |signature_value| is a valid signature of |signed_data| using
// the algorithm |signature_algorithm| and the public key |public_key|.
//
// |signature_algorithm| - The parsed AlgorithmIdentifier
// |signed_data| - The blob of data to verify
// |signature_value| - The BIT STRING for the signature's value
// |public_key| - A DER-encoded SubjectPublicKeyInfo.
// |policy| - Instance of the policy to use. This will be queried to
// determine if:
// * The parsed RSA key is an adequate size.
// * The parsed EC key is for an allowed curve.
// * The signature algorithm and its parameters are acceptable.
//
// Returns true if verification was successful.
NET_EXPORT bool VerifySignedData(const SignatureAlgorithm& signature_algorithm,
const der::Input& signed_data,
const der::BitString& signature_value,
const der::Input& public_key,
const SignaturePolicy* policy)
WARN_UNUSED_RESULT;
} // namespace net
#endif // NET_CERT_INTERNAL_VERIFY_SIGNED_DATA_H_
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