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Convert ed25519 pickling functions to C

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... so that I can use them from the group session bits.
This commit is contained in:
Richard van der Hoff 2016-09-05 12:59:12 +01:00
parent c09aa77c4a
commit 833ecd3c73
4 changed files with 112 additions and 106 deletions
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40
include/olm/pickle.h
View file

@ -21,6 +21,10 @@
extern "C" {
#endif
struct _olm_ed25519_public_key;
struct _olm_ed25519_key_pair;
#define _olm_pickle_uint32_length(value) 4
uint8_t * _olm_pickle_uint32(uint8_t * pos, uint32_t value);
uint8_t const * _olm_unpickle_uint32(
@ -43,6 +47,42 @@ uint8_t const * _olm_unpickle_bytes(uint8_t const * pos, uint8_t const * end,
uint8_t * bytes, size_t bytes_length);
/** Get the number of bytes needed to pickle an ed25519 public key */
size_t _olm_pickle_ed25519_public_key_length(
const struct _olm_ed25519_public_key * value
);
/** Pickle the ed25519 public key. Returns a pointer to the next free space in
* the buffer. */
uint8_t * _olm_pickle_ed25519_public_key(
uint8_t *pos, const struct _olm_ed25519_public_key * value
);
/** Unpickle the ed25519 public key. Returns a pointer to the next item in the
* buffer. */
const uint8_t * _olm_unpickle_ed25519_public_key(
const uint8_t *pos, const uint8_t *end,
struct _olm_ed25519_public_key * value
);
/** Get the number of bytes needed to pickle an ed25519 key pair */
size_t _olm_pickle_ed25519_key_pair_length(
const struct _olm_ed25519_key_pair * value
);
/** Pickle the ed25519 key pair. Returns a pointer to the next free space in
* the buffer. */
uint8_t * _olm_pickle_ed25519_key_pair(
uint8_t *pos, const struct _olm_ed25519_key_pair * value
);
/** Unpickle the ed25519 key pair. Returns a pointer to the next item in the
* buffer. */
const uint8_t * _olm_unpickle_ed25519_key_pair(
const uint8_t *pos, const uint8_t *end,
struct _olm_ed25519_key_pair * value
);
#ifdef __cplusplus
} // extern "C"
#endif

34
include/olm/pickle.hh
View file

@ -141,40 +141,6 @@ std::uint8_t const * unpickle(
_olm_curve25519_key_pair & value
);
std::size_t pickle_length(
const _olm_ed25519_public_key & value
);
std::uint8_t * pickle(
std::uint8_t * pos,
const _olm_ed25519_public_key & value
);
std::uint8_t const * unpickle(
std::uint8_t const * pos, std::uint8_t const * end,
_olm_ed25519_public_key & value
);
std::size_t pickle_length(
const _olm_ed25519_key_pair & value
);
std::uint8_t * pickle(
std::uint8_t * pos,
const _olm_ed25519_key_pair & value
);
std::uint8_t const * unpickle(
std::uint8_t const * pos, std::uint8_t const * end,
_olm_ed25519_key_pair & value
);
} // namespace olm

7
src/account.cpp
View file

@ -14,6 +14,7 @@
*/
#include "olm/account.hh"
#include "olm/base64.hh"
#include "olm/pickle.h"
#include "olm/pickle.hh"
#include "olm/memory.hh"
@ -265,7 +266,7 @@ static std::size_t pickle_length(
olm::IdentityKeys const & value
) {
size_t length = 0;
length += olm::pickle_length(value.ed25519_key);
length += _olm_pickle_ed25519_key_pair_length(&value.ed25519_key);
length += olm::pickle_length(value.curve25519_key);
return length;
}
@ -275,7 +276,7 @@ static std::uint8_t * pickle(
std::uint8_t * pos,
olm::IdentityKeys const & value
) {
pos = olm::pickle(pos, value.ed25519_key);
pos = _olm_pickle_ed25519_key_pair(pos, &value.ed25519_key);
pos = olm::pickle(pos, value.curve25519_key);
return pos;
}
@ -285,7 +286,7 @@ static std::uint8_t const * unpickle(
std::uint8_t const * pos, std::uint8_t const * end,
olm::IdentityKeys & value
) {
pos = olm::unpickle(pos, end, value.ed25519_key);
pos = _olm_unpickle_ed25519_key_pair(pos, end, &value.ed25519_key);
pos = olm::unpickle(pos, end, value.curve25519_key);
return pos;
}

137
src/pickle.cpp
View file

@ -139,77 +139,76 @@ std::uint8_t const * olm::unpickle(
return pos;
}
std::size_t olm::pickle_length(
const _olm_ed25519_public_key & value
) {
return sizeof(value.public_key);
}
std::uint8_t * olm::pickle(
std::uint8_t * pos,
const _olm_ed25519_public_key & value
) {
pos = olm::pickle_bytes(
pos, value.public_key, sizeof(value.public_key)
);
return pos;
}
std::uint8_t const * olm::unpickle(
std::uint8_t const * pos, std::uint8_t const * end,
_olm_ed25519_public_key & value
) {
pos = olm::unpickle_bytes(
pos, end, value.public_key, sizeof(value.public_key)
);
return pos;
}
std::size_t olm::pickle_length(
const _olm_ed25519_key_pair & value
) {
return sizeof(value.public_key.public_key)
+ sizeof(value.private_key.private_key);
}
std::uint8_t * olm::pickle(
std::uint8_t * pos,
const _olm_ed25519_key_pair & value
) {
pos = olm::pickle_bytes(
pos, value.public_key.public_key,
sizeof(value.public_key.public_key)
);
pos = olm::pickle_bytes(
pos, value.private_key.private_key,
sizeof(value.private_key.private_key)
);
return pos;
}
std::uint8_t const * olm::unpickle(
std::uint8_t const * pos, std::uint8_t const * end,
_olm_ed25519_key_pair & value
) {
pos = olm::unpickle_bytes(
pos, end, value.public_key.public_key,
sizeof(value.public_key.public_key)
);
pos = olm::unpickle_bytes(
pos, end, value.private_key.private_key,
sizeof(value.private_key.private_key)
);
return pos;
}
////// pickle.h implementations
std::size_t _olm_pickle_ed25519_public_key_length(
const _olm_ed25519_public_key * value
) {
return sizeof(value->public_key);
}
std::uint8_t * _olm_pickle_ed25519_public_key(
std::uint8_t * pos,
const _olm_ed25519_public_key *value
) {
pos = olm::pickle_bytes(
pos, value->public_key, sizeof(value->public_key)
);
return pos;
}
std::uint8_t const * _olm_unpickle_ed25519_public_key(
std::uint8_t const * pos, std::uint8_t const * end,
_olm_ed25519_public_key * value
) {
pos = olm::unpickle_bytes(
pos, end, value->public_key, sizeof(value->public_key)
);
return pos;
}
std::size_t _olm_pickle_ed25519_key_pair_length(
const _olm_ed25519_key_pair *value
) {
return sizeof(value->public_key.public_key)
+ sizeof(value->private_key.private_key);
}
std::uint8_t * _olm_pickle_ed25519_key_pair(
std::uint8_t * pos,
const _olm_ed25519_key_pair *value
) {
pos = olm::pickle_bytes(
pos, value->public_key.public_key,
sizeof(value->public_key.public_key)
);
pos = olm::pickle_bytes(
pos, value->private_key.private_key,
sizeof(value->private_key.private_key)
);
return pos;
}
std::uint8_t const * _olm_unpickle_ed25519_key_pair(
std::uint8_t const * pos, std::uint8_t const * end,
_olm_ed25519_key_pair *value
) {
pos = olm::unpickle_bytes(
pos, end, value->public_key.public_key,
sizeof(value->public_key.public_key)
);
pos = olm::unpickle_bytes(
pos, end, value->private_key.private_key,
sizeof(value->private_key.private_key)
);
return pos;
}
uint8_t * _olm_pickle_uint32(uint8_t * pos, uint32_t value) {
return olm::pickle(pos, value);
}