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13c0776aab
At this point, all that's left are a few constants in the cryptolib header files, and they're only used by host-side code. So move them to a host-side header file and get rid of cryptolib. BUG=chromium:611535 BRANCH=none TEST=make runtests; emerge-kevin coreboot depthcharge Change-Id: I2235f0e84e13fef313afe54e749b73744b157884 Signed-off-by: Randall Spangler <rspangler@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/400903 Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org>
92 lines
2.6 KiB
C
92 lines
2.6 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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* Host-side functions for verified boot.
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*/
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#ifndef VBOOT_REFERENCE_HOST_SIGNATURE_H_
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#define VBOOT_REFERENCE_HOST_SIGNATURE_H_
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#include "host_key.h"
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#include "utility.h"
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#include "vboot_struct.h"
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struct vb2_private_key;
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struct vb2_signature;
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/**
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* Initialize a signature struct.
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*
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* @param sig Structure to initialize
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* @param sig_data Pointer to signature data buffer (after sig)
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* @param sig_size Size of signature data buffer in bytes
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* @param data_size Amount of data signed in bytes
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*/
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void vb2_init_signature(struct vb2_signature *sig, uint8_t *sig_data,
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uint32_t sig_size, uint32_t data_size);
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/**
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* Allocate a new signature.
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*
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* @param sig_size Size of signature in bytes
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* @param data_size Amount of data signed in bytes
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*
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* @return The signature or NULL if error. Caller must free() it.
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*/
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struct vb2_signature *vb2_alloc_signature(uint32_t sig_size,
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uint32_t data_size);
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/**
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* Copy a signature.
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*
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* @param dest Destination signature
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* @param src Source signature
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*
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* @return VB2_SUCCESS, or non-zero if error. */
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int vb2_copy_signature(struct vb2_signature *dest,
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const struct vb2_signature *src);
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/**
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* Calculate a SHA-512 digest-only signature.
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*
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* @param data Pointer to data to hash
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* @param size Length of data in bytes
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*
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* @return The signature, or NULL if error. Caller must free() it.
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*/
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struct vb2_signature *vb2_sha512_signature(const uint8_t *data, uint32_t size);
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/**
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* Calculate a signature for the data using the specified key.
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*
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* @param data Pointer to data to sign
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* @param size Length of data in bytes
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* @param key Private key to use to sign data
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*
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* @return The signature, or NULL if error. Caller must free() it.
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*/
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struct vb2_signature *vb2_calculate_signature(
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const uint8_t *data, uint32_t size,
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const struct vb2_private_key *key);
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/**
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* Calculate a signature for the data using an external signer.
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*
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* @param data Pointer to data to sign
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* @param size Length of data in bytes
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* @param key_file Name of file containing private key
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* @param key_algorithm Key algorithm
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* @param external_signer Path to external signer program
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*
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* @return The signature, or NULL if error. Caller must free() it.
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*/
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struct vb2_signature *vb2_external_signature(const uint8_t *data,
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uint32_t size,
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const char *key_file,
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uint32_t key_algorithm,
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const char *external_signer);
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#endif /* VBOOT_REFERENCE_HOST_SIGNATURE_H_ */
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