1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
namespace Signal {
public ECPublicKey generate_public_key(ECPrivateKey private_key) throws Error {
ECPublicKey public_key;
throw_by_code(ECPublicKey.generate(out public_key, private_key), "Error generating public key");
return public_key;
}
public uint8[] calculate_agreement(ECPublicKey public_key, ECPrivateKey private_key) throws Error {
uint8[] res;
int len = Curve.calculate_agreement(out res, public_key, private_key);
throw_by_code(len, "Error calculating agreement");
res.length = len;
return res;
}
public bool verify_signature(ECPublicKey signing_key, uint8[] message, uint8[] signature) throws Error {
return throw_by_code(Curve.verify_signature(signing_key, message, signature)) == 1;
}
public PreKeyBundle create_pre_key_bundle(uint32 registration_id, int device_id, uint32 pre_key_id, ECPublicKey? pre_key_public,
uint32 signed_pre_key_id, ECPublicKey? signed_pre_key_public, uint8[]? signed_pre_key_signature, ECPublicKey? identity_key) throws Error {
PreKeyBundle res;
throw_by_code(PreKeyBundle.create(out res, registration_id, device_id, pre_key_id, pre_key_public, signed_pre_key_id, signed_pre_key_public, signed_pre_key_signature, identity_key), "Error creating PreKeyBundle");
return res;
}
internal string carr_to_string(char[] carr) {
char[] nu = new char[carr.length + 1];
Memory.copy(nu, carr, carr.length);
return (string) nu;
}
internal delegate int CodeErroringFunc() throws Error;
internal int catch_to_code(CodeErroringFunc func) {
try {
return func();
} catch (Error e) {
return e.code;
}
}
}
|
