aboutsummaryrefslogtreecommitdiff
path: root/src/olm.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/olm.cpp')
-rw-r--r--src/olm.cpp83
1 files changed, 43 insertions, 40 deletions
diff --git a/src/olm.cpp b/src/olm.cpp
index 63f3d83..fcd033a 100644
--- a/src/olm.cpp
+++ b/src/olm.cpp
@@ -12,12 +12,12 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
-#include "olm/olm.hh"
+#include "olm/olm.h"
#include "olm/session.hh"
#include "olm/account.hh"
+#include "olm/cipher.h"
#include "olm/utility.hh"
#include "olm/base64.hh"
-#include "olm/cipher.hh"
#include "olm/memory.hh"
#include <new>
@@ -57,17 +57,15 @@ static std::uint8_t const * from_c(void const * bytes) {
return reinterpret_cast<std::uint8_t const *>(bytes);
}
-static const std::uint8_t CIPHER_KDF_INFO[] = "Pickle";
-
-static const olm::CipherAesSha256 PICKLE_CIPHER(
- CIPHER_KDF_INFO, sizeof(CIPHER_KDF_INFO) -1
-);
+static const struct _olm_cipher_aes_sha_256 PICKLE_CIPHER =
+ OLM_CIPHER_INIT_AES_SHA_256("Pickle");
std::size_t enc_output_length(
size_t raw_length
) {
- std::size_t length = PICKLE_CIPHER.encrypt_ciphertext_length(raw_length);
- length += PICKLE_CIPHER.mac_length();
+ auto *cipher = OLM_CIPHER_BASE(&PICKLE_CIPHER);
+ std::size_t length = cipher->ops->encrypt_ciphertext_length(cipher, raw_length);
+ length += cipher->ops->mac_length(cipher);
return olm::encode_base64_length(length);
}
@@ -76,8 +74,9 @@ std::uint8_t * enc_output_pos(
std::uint8_t * output,
size_t raw_length
) {
- std::size_t length = PICKLE_CIPHER.encrypt_ciphertext_length(raw_length);
- length += PICKLE_CIPHER.mac_length();
+ auto *cipher = OLM_CIPHER_BASE(&PICKLE_CIPHER);
+ std::size_t length = cipher->ops->encrypt_ciphertext_length(cipher, raw_length);
+ length += cipher->ops->mac_length(cipher);
return output + olm::encode_base64_length(length) - length;
}
@@ -85,13 +84,15 @@ std::size_t enc_output(
std::uint8_t const * key, std::size_t key_length,
std::uint8_t * output, size_t raw_length
) {
- std::size_t ciphertext_length = PICKLE_CIPHER.encrypt_ciphertext_length(
- raw_length
+ auto *cipher = OLM_CIPHER_BASE(&PICKLE_CIPHER);
+ std::size_t ciphertext_length = cipher->ops->encrypt_ciphertext_length(
+ cipher, raw_length
);
- std::size_t length = ciphertext_length + PICKLE_CIPHER.mac_length();
+ std::size_t length = ciphertext_length + cipher->ops->mac_length(cipher);
std::size_t base64_length = olm::encode_base64_length(length);
std::uint8_t * raw_output = output + base64_length - length;
- PICKLE_CIPHER.encrypt(
+ cipher->ops->encrypt(
+ cipher,
key, key_length,
raw_output, raw_length,
raw_output, ciphertext_length,
@@ -104,23 +105,25 @@ std::size_t enc_output(
std::size_t enc_input(
std::uint8_t const * key, std::size_t key_length,
std::uint8_t * input, size_t b64_length,
- olm::ErrorCode & last_error
+ OlmErrorCode & last_error
) {
std::size_t enc_length = olm::decode_base64_length(b64_length);
if (enc_length == std::size_t(-1)) {
- last_error = olm::ErrorCode::INVALID_BASE64;
+ last_error = OlmErrorCode::OLM_INVALID_BASE64;
return std::size_t(-1);
}
olm::decode_base64(input, b64_length, input);
- std::size_t raw_length = enc_length - PICKLE_CIPHER.mac_length();
- std::size_t result = PICKLE_CIPHER.decrypt(
+ auto *cipher = OLM_CIPHER_BASE(&PICKLE_CIPHER);
+ std::size_t raw_length = enc_length - cipher->ops->mac_length(cipher);
+ std::size_t result = cipher->ops->decrypt(
+ cipher,
key, key_length,
input, enc_length,
input, raw_length,
input, raw_length
);
if (result == std::size_t(-1)) {
- last_error = olm::ErrorCode::BAD_ACCOUNT_KEY;
+ last_error = OlmErrorCode::OLM_BAD_ACCOUNT_KEY;
}
return result;
}
@@ -150,11 +153,11 @@ std::size_t b64_output(
std::size_t b64_input(
std::uint8_t * input, size_t b64_length,
- olm::ErrorCode & last_error
+ OlmErrorCode & last_error
) {
std::size_t raw_length = olm::decode_base64_length(b64_length);
if (raw_length == std::size_t(-1)) {
- last_error = olm::ErrorCode::INVALID_BASE64;
+ last_error = OlmErrorCode::OLM_INVALID_BASE64;
return std::size_t(-1);
}
olm::decode_base64(input, b64_length, input);
@@ -190,7 +193,7 @@ const char * olm_account_last_error(
OlmAccount * account
) {
unsigned error = unsigned(from_c(account)->last_error);
- if (error < sizeof(ERRORS)) {
+ if (error < (sizeof(ERRORS)/sizeof(ERRORS[0]))) {
return ERRORS[error];
} else {
return "UNKNOWN_ERROR";
@@ -202,7 +205,7 @@ const char * olm_session_last_error(
OlmSession * session
) {
unsigned error = unsigned(from_c(session)->last_error);
- if (error < sizeof(ERRORS)) {
+ if (error < (sizeof(ERRORS)/sizeof(ERRORS[0]))) {
return ERRORS[error];
} else {
return "UNKNOWN_ERROR";
@@ -213,7 +216,7 @@ const char * olm_utility_last_error(
OlmUtility * utility
) {
unsigned error = unsigned(from_c(utility)->last_error);
- if (error < sizeof(ERRORS)) {
+ if (error < (sizeof(ERRORS)/sizeof(ERRORS[0]))) {
return ERRORS[error];
} else {
return "UNKNOWN_ERROR";
@@ -312,7 +315,7 @@ size_t olm_pickle_account(
olm::Account & object = *from_c(account);
std::size_t raw_length = pickle_length(object);
if (pickled_length < enc_output_length(raw_length)) {
- object.last_error = olm::ErrorCode::OUTPUT_BUFFER_TOO_SMALL;
+ object.last_error = OlmErrorCode::OLM_OUTPUT_BUFFER_TOO_SMALL;
return size_t(-1);
}
pickle(enc_output_pos(from_c(pickled), raw_length), object);
@@ -328,7 +331,7 @@ size_t olm_pickle_session(
olm::Session & object = *from_c(session);
std::size_t raw_length = pickle_length(object);
if (pickled_length < enc_output_length(raw_length)) {
- object.last_error = olm::ErrorCode::OUTPUT_BUFFER_TOO_SMALL;
+ object.last_error = OlmErrorCode::OLM_OUTPUT_BUFFER_TOO_SMALL;
return size_t(-1);
}
pickle(enc_output_pos(from_c(pickled), raw_length), object);
@@ -355,8 +358,8 @@ size_t olm_unpickle_account(
* (pos + raw_length). On error unpickle will return (pos + raw_length + 1).
*/
if (end != unpickle(pos, end + 1, object)) {
- if (object.last_error == olm::ErrorCode::SUCCESS) {
- object.last_error = olm::ErrorCode::CORRUPTED_PICKLE;
+ if (object.last_error == OlmErrorCode::OLM_SUCCESS) {
+ object.last_error = OlmErrorCode::OLM_CORRUPTED_PICKLE;
}
return std::size_t(-1);
}
@@ -384,8 +387,8 @@ size_t olm_unpickle_session(
* (pos + raw_length). On error unpickle will return (pos + raw_length + 1).
*/
if (end != unpickle(pos, end + 1, object)) {
- if (object.last_error == olm::ErrorCode::SUCCESS) {
- object.last_error = olm::ErrorCode::CORRUPTED_PICKLE;
+ if (object.last_error == OlmErrorCode::OLM_SUCCESS) {
+ object.last_error = OlmErrorCode::OLM_CORRUPTED_PICKLE;
}
return std::size_t(-1);
}
@@ -442,7 +445,7 @@ size_t olm_account_sign(
std::size_t raw_length = from_c(account)->signature_length();
if (signature_length < b64_output_length(raw_length)) {
from_c(account)->last_error =
- olm::ErrorCode::OUTPUT_BUFFER_TOO_SMALL;
+ OlmErrorCode::OLM_OUTPUT_BUFFER_TOO_SMALL;
return std::size_t(-1);
}
from_c(account)->sign(
@@ -528,7 +531,7 @@ size_t olm_create_outbound_session(
if (olm::decode_base64_length(id_key_length) != olm::KEY_LENGTH
|| olm::decode_base64_length(ot_key_length) != olm::KEY_LENGTH
) {
- from_c(session)->last_error = olm::ErrorCode::INVALID_BASE64;
+ from_c(session)->last_error = OlmErrorCode::OLM_INVALID_BASE64;
return std::size_t(-1);
}
olm::Curve25519PublicKey identity_key;
@@ -573,7 +576,7 @@ size_t olm_create_inbound_session_from(
std::size_t id_key_length = their_identity_key_length;
if (olm::decode_base64_length(id_key_length) != olm::KEY_LENGTH) {
- from_c(session)->last_error = olm::ErrorCode::INVALID_BASE64;
+ from_c(session)->last_error = OlmErrorCode::OLM_INVALID_BASE64;
return std::size_t(-1);
}
olm::Curve25519PublicKey identity_key;
@@ -605,7 +608,7 @@ size_t olm_session_id(
std::size_t raw_length = from_c(session)->session_id_length();
if (id_length < b64_output_length(raw_length)) {
from_c(session)->last_error =
- olm::ErrorCode::OUTPUT_BUFFER_TOO_SMALL;
+ OlmErrorCode::OLM_OUTPUT_BUFFER_TOO_SMALL;
return std::size_t(-1);
}
std::size_t result = from_c(session)->session_id(
@@ -644,7 +647,7 @@ size_t olm_matches_inbound_session_from(
std::size_t id_key_length = their_identity_key_length;
if (olm::decode_base64_length(id_key_length) != olm::KEY_LENGTH) {
- from_c(session)->last_error = olm::ErrorCode::INVALID_BASE64;
+ from_c(session)->last_error = OlmErrorCode::OLM_INVALID_BASE64;
return std::size_t(-1);
}
olm::Curve25519PublicKey identity_key;
@@ -671,7 +674,7 @@ size_t olm_remove_one_time_keys(
from_c(session)->bob_one_time_key
);
if (result == std::size_t(-1)) {
- from_c(account)->last_error = olm::ErrorCode::BAD_MESSAGE_KEY_ID;
+ from_c(account)->last_error = OlmErrorCode::OLM_BAD_MESSAGE_KEY_ID;
}
return result;
}
@@ -712,7 +715,7 @@ size_t olm_encrypt(
);
if (message_length < b64_output_length(raw_length)) {
from_c(session)->last_error =
- olm::ErrorCode::OUTPUT_BUFFER_TOO_SMALL;
+ OlmErrorCode::OLM_OUTPUT_BUFFER_TOO_SMALL;
return std::size_t(-1);
}
std::size_t result = from_c(session)->encrypt(
@@ -779,7 +782,7 @@ size_t olm_sha256(
std::size_t raw_length = from_c(utility)->sha256_length();
if (output_length < b64_output_length(raw_length)) {
from_c(utility)->last_error =
- olm::ErrorCode::OUTPUT_BUFFER_TOO_SMALL;
+ OlmErrorCode::OLM_OUTPUT_BUFFER_TOO_SMALL;
return std::size_t(-1);
}
std::size_t result = from_c(utility)->sha256(
@@ -800,7 +803,7 @@ size_t olm_ed25519_verify(
void * signature, size_t signature_length
) {
if (olm::decode_base64_length(key_length) != olm::KEY_LENGTH) {
- from_c(utility)->last_error = olm::ErrorCode::INVALID_BASE64;
+ from_c(utility)->last_error = OlmErrorCode::OLM_INVALID_BASE64;
return std::size_t(-1);
}
olm::Ed25519PublicKey verify_key;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 23:01:10 +0000