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Unified Diff: base/crypto/signature_verifier.h

Issue 6805019: Move crypto files out of base, to a top level directory. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Fixes comments by eroman Created 9 years, 8 months ago
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Index: base/crypto/signature_verifier.h
===================================================================
--- base/crypto/signature_verifier.h (revision 81350)
+++ base/crypto/signature_verifier.h (working copy)
@@ -1,109 +0,0 @@
-// Copyright (c) 2011 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 BASE_CRYPTO_SIGNATURE_VERIFIER_H_
-#define BASE_CRYPTO_SIGNATURE_VERIFIER_H_
-#pragma once
-
-#include "build/build_config.h"
-
-#if defined(USE_NSS)
-#include <cryptoht.h>
-#elif defined(OS_MACOSX)
-#include <Security/cssm.h>
-#endif
-
-#include <vector>
-
-#include "base/base_api.h"
-#include "base/basictypes.h"
-
-#if defined(OS_WIN)
-#include "base/crypto/scoped_capi_types.h"
-#endif
-
-namespace base {
-
-// The SignatureVerifier class verifies a signature using a bare public key
-// (as opposed to a certificate).
-class BASE_API SignatureVerifier {
- public:
- SignatureVerifier();
- ~SignatureVerifier();
-
- // Streaming interface:
-
- // Initiates a signature verification operation. This should be followed
- // by one or more VerifyUpdate calls and a VerifyFinal call.
- //
- // The signature algorithm is specified as a DER encoded ASN.1
- // AlgorithmIdentifier structure:
- // AlgorithmIdentifier ::= SEQUENCE {
- // algorithm OBJECT IDENTIFIER,
- // parameters ANY DEFINED BY algorithm OPTIONAL }
- //
- // The signature is encoded according to the signature algorithm, but it
- // must not be further encoded in an ASN.1 BIT STRING.
- // Note: An RSA signatures is actually a big integer. It must be in the
- // big-endian byte order.
- //
- // The public key is specified as a DER encoded ASN.1 SubjectPublicKeyInfo
- // structure, which contains not only the public key but also its type
- // (algorithm):
- // SubjectPublicKeyInfo ::= SEQUENCE {
- // algorithm AlgorithmIdentifier,
- // subjectPublicKey BIT STRING }
- bool VerifyInit(const uint8* signature_algorithm,
- int signature_algorithm_len,
- const uint8* signature,
- int signature_len,
- const uint8* public_key_info,
- int public_key_info_len);
-
- // Feeds a piece of the data to the signature verifier.
- void VerifyUpdate(const uint8* data_part, int data_part_len);
-
- // Concludes a signature verification operation. Returns true if the
- // signature is valid. Returns false if the signature is invalid or an
- // error occurred.
- bool VerifyFinal();
-
- // Note: we can provide a one-shot interface if there is interest:
- // bool Verify(const uint8* data,
- // int data_len,
- // const uint8* signature_algorithm,
- // int signature_algorithm_len,
- // const uint8* signature,
- // int signature_len,
- // const uint8* public_key_info,
- // int public_key_info_len);
-
- private:
- void Reset();
-
- std::vector<uint8> signature_;
-
-#if defined(USE_OPENSSL)
- struct VerifyContext;
- VerifyContext* verify_context_;
-#elif defined(USE_NSS)
- VFYContext* vfy_context_;
-#elif defined(OS_MACOSX)
- std::vector<uint8> public_key_info_;
-
- CSSM_CC_HANDLE sig_handle_;
-
- CSSM_KEY public_key_;
-#elif defined(OS_WIN)
- ScopedHCRYPTPROV provider_;
-
- ScopedHCRYPTHASH hash_object_;
-
- ScopedHCRYPTKEY public_key_;
-#endif
-};
-
-} // namespace base
-
-#endif // BASE_CRYPTO_SIGNATURE_VERIFIER_H_
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