45 lines
1.6 KiB
Vala
45 lines
1.6 KiB
Vala
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namespace Signal {
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public ECPublicKey generate_public_key(ECPrivateKey private_key) throws Error {
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ECPublicKey public_key;
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throw_by_code(ECPublicKey.generate(out public_key, private_key), "Error generating public key");
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return public_key;
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}
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public uint8[] calculate_agreement(ECPublicKey public_key, ECPrivateKey private_key) throws Error {
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uint8[] res;
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int len = Curve.calculate_agreement(out res, public_key, private_key);
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throw_by_code(len, "Error calculating agreement");
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res.length = len;
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return res;
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}
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public bool verify_signature(ECPublicKey signing_key, uint8[] message, uint8[] signature) throws Error {
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return throw_by_code(Curve.verify_signature(signing_key, message, signature)) == 1;
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}
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public PreKeyBundle create_pre_key_bundle(uint32 registration_id, int device_id, uint32 pre_key_id, ECPublicKey? pre_key_public,
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uint32 signed_pre_key_id, ECPublicKey? signed_pre_key_public, uint8[]? signed_pre_key_signature, ECPublicKey? identity_key) throws Error {
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PreKeyBundle res;
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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");
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return res;
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}
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internal string carr_to_string(char[] carr) {
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char[] nu = new char[carr.length + 1];
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Memory.copy(nu, carr, carr.length);
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return (string) nu;
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}
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internal delegate int CodeErroringFunc() throws Error;
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internal int catch_to_code(CodeErroringFunc func) {
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try {
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return func();
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} catch (Error e) {
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return e.code;
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}
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}
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}
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