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fc70d72aaa
Refactor and restructure reference code into individual self-contain modules. I have revamped the way the code is structured to make it easy to determine which parts belong in the firmware and which are used by userland tools. common/ - common utilities and stub functions (Firmware) cryptolib/ - crypto library (Firmware) misclibs/ - miscellaneous userland libraries (Userland) sctips/ - Miscellaenous scripts (Userland) tests/ - Tests (Userland) vfirmware/ - Verified Firmware Implementation vfirmware/firmware_image_fw.c (Firmware) vfirmware/firmware_image.c (Userland) vkernel/ - Verified Kernel Implementation vkernel/kernel_image_fw.c (Firmware) vkernel/kernel_image.c (Userland) Review URL: http://codereview.chromium.org/1581005
36 lines
1.3 KiB
C
36 lines
1.3 KiB
C
/* Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef VBOOT_REFERENCE_SIGNATURE_DIGEST_H_
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#define VBOOT_REFERENCE_SIGNATURE_DIGEST_H_
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#include <inttypes.h>
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/* Returns a buffer with DigestInfo (which depends on [algorithm])
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* prepended to [digest].
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*/
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uint8_t* prepend_digestinfo(int algorithm, uint8_t* digest);
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/* Function that outputs the message digest of the contents of a buffer in a
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* format that can be used as input to OpenSSL for an RSA signature.
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* Needed until the stable OpenSSL release supports SHA-256/512 digests for
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* RSA signatures.
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*
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* Returns DigestInfo || Digest where DigestInfo is the OID depending on the
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* choice of the hash algorithm (see padding.c). Caller owns the returned
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* pointer and must Free() it.
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*/
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uint8_t* SignatureDigest(const uint8_t* buf, uint64_t len, int algorithm);
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/* Calculates the signature on a buffer [buf] of length [len] using
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* the private RSA key file from [key_file] and signature algorithm
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* [algorithm].
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*
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* Returns the signature. Caller owns the buffer and must Free() it.
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*/
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uint8_t* SignatureBuf(const uint8_t* buf, uint64_t len, const char* key_file,
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int algorithm);
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#endif /* VBOOT_REFERENCE_SIGNATURE_DIGEST_H_ */
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