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This patch adds HMAC. HMAC will be used to sign/verify NVM structures. Hash algorithms can be selected from those supported by enum vb2_hash_algorithm (i.e. SHA1, SHA256, or SHA512). BUG=chrome-os-partner:51907 BRANCH=tot TEST=make runtests Change-Id: I6d349bc807874fe2a5512aabcd7fbf67a4eaa40a Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/342880 Reviewed-by: Randall Spangler <rspangler@chromium.org>
66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
/* Copyright (c) 2014 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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* Crypto constants for verified boot
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*/
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#ifndef VBOOT_REFERENCE_VBOOT_2CRYPTO_H_
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#define VBOOT_REFERENCE_VBOOT_2CRYPTO_H_
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#include <stdint.h>
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/* Verified boot crypto algorithms */
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enum vb2_crypto_algorithm {
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VB2_ALG_RSA1024_SHA1 = 0,
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VB2_ALG_RSA1024_SHA256 = 1,
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VB2_ALG_RSA1024_SHA512 = 2,
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VB2_ALG_RSA2048_SHA1 = 3,
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VB2_ALG_RSA2048_SHA256 = 4,
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VB2_ALG_RSA2048_SHA512 = 5,
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VB2_ALG_RSA4096_SHA1 = 6,
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VB2_ALG_RSA4096_SHA256 = 7,
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VB2_ALG_RSA4096_SHA512 = 8,
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VB2_ALG_RSA8192_SHA1 = 9,
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VB2_ALG_RSA8192_SHA256 = 10,
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VB2_ALG_RSA8192_SHA512 = 11,
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/* Number of algorithms */
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VB2_ALG_COUNT
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};
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/* Algorithm types for signatures */
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enum vb2_signature_algorithm {
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/* Invalid or unsupported signature type */
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VB2_SIG_INVALID = 0,
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/*
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* No signature algorithm. The digest is unsigned. See
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* VB2_ID_NONE_* for key IDs to use with this algorithm.
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*/
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VB2_SIG_NONE = 1,
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/* RSA algorithms of the given length in bits (1024-8192) */
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VB2_SIG_RSA1024 = 2, /* Warning! This is likely to be deprecated! */
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VB2_SIG_RSA2048 = 3,
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VB2_SIG_RSA4096 = 4,
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VB2_SIG_RSA8192 = 5,
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};
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/* Algorithm types for hash digests */
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enum vb2_hash_algorithm {
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/* Invalid or unsupported digest type */
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VB2_HASH_INVALID = 0,
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/* SHA-1. Warning: This is likely to be deprecated soon! */
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VB2_HASH_SHA1 = 1,
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/* SHA-256 and SHA-512 */
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VB2_HASH_SHA256 = 2,
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VB2_HASH_SHA512 = 3,
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/* Last index. Don't add anything below. */
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VB2_HASH_ALG_COUNT,
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};
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#endif /* VBOOT_REFERENCE_VBOOT_2CRYPTO_H_ */
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