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using Gee;
using Omemo;
namespace Dino.Crypto.Omemo {
public class SimpleIdentityKeyStore : IdentityKeyStore {
public signal void trusted_identity_added(TrustedIdentity id);
public signal void trusted_identity_updated(TrustedIdentity id);
public override Bytes identity_key_private { get; set; }
public override Bytes identity_key_public { get; set; }
public override uint32 local_registration_id { get; set; }
private Map<string, Map<int, TrustedIdentity>> trusted_identities = new HashMap<string, Map<int, TrustedIdentity>>();
public override void save_identity(Address address, uint8[] key) throws Error {
string name = address.name;
if (trusted_identities.has_key(name)) {
if (trusted_identities[name].has_key(address.device_id)) {
trusted_identities[name][address.device_id].key = key;
trusted_identity_updated(trusted_identities[name][address.device_id]);
} else {
trusted_identities[name][address.device_id] = new TrustedIdentity.by_address(address, key);
trusted_identity_added(trusted_identities[name][address.device_id]);
}
} else {
trusted_identities[name] = new HashMap<int, TrustedIdentity>();
trusted_identities[name][address.device_id] = new TrustedIdentity.by_address(address, key);
trusted_identity_added(trusted_identities[name][address.device_id]);
}
}
public override bool is_trusted_identity(Address address, uint8[] key) throws Error {
if (!trusted_identities.has_key(address.name)) return true;
if (!trusted_identities[address.name].has_key(address.device_id)) return true;
uint8[] other_key = trusted_identities[address.name][address.device_id].key;
if (other_key.length != key.length) return false;
for (int i = 0; i < key.length; i++) {
if (other_key[i] != key[i]) return false;
}
return true;
}
public class TrustedIdentity {
public uint8[] key { get; set; }
public string name { get; private set; }
public int device_id { get; private set; }
public TrustedIdentity(string name, int device_id, uint8[] key) {
this.key = key;
this.name = name;
this.device_id = device_id;
}
public TrustedIdentity.by_address(Address address, uint8[] key) {
this(address.name, address.device_id, key);
}
}
}
}
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