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author | Zeno Albisser <zeno.albisser@digia.com> | 2013-08-15 21:46:11 +0200 |
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committer | Zeno Albisser <zeno.albisser@digia.com> | 2013-08-15 21:46:11 +0200 |
commit | 679147eead574d186ebf3069647b4c23e8ccace6 (patch) | |
tree | fc247a0ac8ff119f7c8550879ebb6d3dd8d1ff69 /chromium/crypto/signature_creator.h | |
download | qtwebengine-chromium-679147eead574d186ebf3069647b4c23e8ccace6.tar.gz |
Initial import.
Diffstat (limited to 'chromium/crypto/signature_creator.h')
-rw-r--r-- | chromium/crypto/signature_creator.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/chromium/crypto/signature_creator.h b/chromium/crypto/signature_creator.h new file mode 100644 index 00000000000..6074bcbe9cb --- /dev/null +++ b/chromium/crypto/signature_creator.h @@ -0,0 +1,67 @@ +// Copyright (c) 2012 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 CRYPTO_SIGNATURE_CREATOR_H_ +#define CRYPTO_SIGNATURE_CREATOR_H_ + +#include "build/build_config.h" + +#include <vector> + +#include "base/basictypes.h" +#include "crypto/crypto_export.h" + +#if defined(USE_OPENSSL) +// Forward declaration for openssl/*.h +typedef struct env_md_ctx_st EVP_MD_CTX; +#elif defined(USE_NSS) || defined(OS_WIN) || defined(OS_MACOSX) +// Forward declaration. +struct SGNContextStr; +#endif + +namespace crypto { + +class RSAPrivateKey; + +// Signs data using a bare private key (as opposed to a full certificate). +// Currently can only sign data using SHA-1 with RSA encryption. +class CRYPTO_EXPORT SignatureCreator { + public: + ~SignatureCreator(); + + // Create an instance. The caller must ensure that the provided PrivateKey + // instance outlives the created SignatureCreator. + static SignatureCreator* Create(RSAPrivateKey* key); + + // Signs the precomputed SHA-1 digest |data| using private |key| as + // specified in PKCS #1 v1.5. + static bool Sign(RSAPrivateKey* key, + const uint8* data, + int data_len, + std::vector<uint8>* signature); + + // Update the signature with more data. + bool Update(const uint8* data_part, int data_part_len); + + // Finalize the signature. + bool Final(std::vector<uint8>* signature); + + private: + // Private constructor. Use the Create() method instead. + SignatureCreator(); + + RSAPrivateKey* key_; + +#if defined(USE_OPENSSL) + EVP_MD_CTX* sign_context_; +#elif defined(USE_NSS) || defined(OS_WIN) || defined(OS_MACOSX) + SGNContextStr* sign_context_; +#endif + + DISALLOW_COPY_AND_ASSIGN(SignatureCreator); +}; + +} // namespace crypto + +#endif // CRYPTO_SIGNATURE_CREATOR_H_ |