File: ecdsa_p256_utils.h

package info (click to toggle)
chromium 139.0.7258.127-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 6,122,156 kB
  • sloc: cpp: 35,100,771; ansic: 7,163,530; javascript: 4,103,002; python: 1,436,920; asm: 946,517; xml: 746,709; pascal: 187,653; perl: 88,691; sh: 88,436; objc: 79,953; sql: 51,488; cs: 44,583; fortran: 24,137; makefile: 22,147; tcl: 15,277; php: 13,980; yacc: 8,984; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (29 lines) | stat: -rw-r--r-- 1,049 bytes parent folder | download | duplicates (7) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
 
// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_WEB_PACKAGE_SIGNED_WEB_BUNDLES_ECDSA_P256_UTILS_H_
#define COMPONENTS_WEB_PACKAGE_SIGNED_WEB_BUNDLES_ECDSA_P256_UTILS_H_

#include <cstdint>

#include "base/containers/span.h"
#include "components/web_package/signed_web_bundles/ecdsa_p256_public_key.h"

namespace web_package::internal {

// Checks whether the given `public_key` constitutes a valid ECDSA P-256 public
// key.
bool IsValidEcdsaP256PublicKey(
    base::span<const uint8_t, EcdsaP256PublicKey::kLength> public_key);

// Checks whether the given `signature` corresponds to a SHA-256 hash of
// `message` signed by the provided `public_key`.
bool VerifyMessageSignedWithEcdsaP256SHA256(
    base::span<const uint8_t> message,
    base::span<const uint8_t> signature,
    const EcdsaP256PublicKey& public_key);

}  // namespace web_package::internal

#endif  // COMPONENTS_WEB_PACKAGE_SIGNED_WEB_BUNDLES_ECDSA_P256_UTILS_H_