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/*
* Copyright (c) 2021, [Ribose Inc](https://www.ribose.com).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE RIBOSE, INC. AND CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef RNP_KBX_BLOB_HPP
#define RNP_KBX_BLOB_HPP
typedef enum : uint8_t {
KBX_EMPTY_BLOB = 0,
KBX_HEADER_BLOB = 1,
KBX_PGP_BLOB = 2,
KBX_X509_BLOB = 3
} kbx_blob_type_t;
class kbx_blob_t {
protected:
kbx_blob_type_t type_;
std::vector<uint8_t> image_;
uint8_t ru8(size_t idx);
uint16_t ru16(size_t idx);
uint32_t ru32(size_t idx);
public:
virtual ~kbx_blob_t() = default;
kbx_blob_t(std::vector<uint8_t> &data);
virtual bool
parse()
{
return true;
};
kbx_blob_type_t
type()
{
return type_;
}
std::vector<uint8_t> &
image()
{
return image_;
}
uint32_t
length() const noexcept
{
return image_.size();
}
};
class kbx_header_blob_t : public kbx_blob_t {
protected:
uint8_t version_{};
uint16_t flags_{};
uint32_t file_created_at_{};
uint32_t last_maintenance_run_{};
public:
kbx_header_blob_t(std::vector<uint8_t> &data) : kbx_blob_t(data){};
bool parse();
uint32_t
file_created_at()
{
return file_created_at_;
}
};
typedef struct {
uint8_t fp[PGP_FINGERPRINT_SIZE];
uint32_t keyid_offset;
uint16_t flags;
} kbx_pgp_key_t;
typedef struct {
uint32_t offset;
uint32_t length;
uint16_t flags;
uint8_t validity;
} kbx_pgp_uid_t;
typedef struct {
uint32_t expired;
} kbx_pgp_sig_t;
class kbx_pgp_blob_t : public kbx_blob_t {
protected:
uint8_t version_{};
uint16_t flags_{};
uint32_t keyblock_offset_{};
uint32_t keyblock_length_{};
std::vector<uint8_t> sn_{};
std::vector<kbx_pgp_key_t> keys_{};
std::vector<kbx_pgp_uid_t> uids_{};
std::vector<kbx_pgp_sig_t> sigs_{};
uint8_t ownertrust_{};
uint8_t all_validity_{};
uint32_t recheck_after_{};
uint32_t latest_timestamp_{};
uint32_t blob_created_at_{};
public:
kbx_pgp_blob_t(std::vector<uint8_t> &data) : kbx_blob_t(data){};
uint32_t
keyblock_offset()
{
return keyblock_offset_;
}
uint32_t
keyblock_length()
{
return keyblock_length_;
}
size_t
nkeys()
{
return keys_.size();
}
size_t
nuids()
{
return uids_.size();
}
size_t
nsigs()
{
return sigs_.size();
}
bool parse();
};
#endif
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