private void output_keys(RopBind rop)
{
int alt = rop.tagging();
try {
// initialize
RopSession ses = rop.create_session(RopBind.KEYSTORE_GPG, RopBind.KEYSTORE_GPG);
RopInput keyfile = null;
try {
// load keyrings
keyfile = rop.create_input("pubring.pgp");
// actually, we may exclude the public to not check key types
ses.load_keys_public(RopBind.KEYSTORE_GPG, keyfile);
} catch (RopError ex) {
Console.WriteLine("Failed to read pubring");
throw ex;
} finally {
rop.drop(keyfile);
}
keyfile = null;
try {
keyfile = rop.create_input("secring.pgp");
ses.load_keys_secret(RopBind.KEYSTORE_GPG, keyfile);
} catch (RopError ex) {
Console.WriteLine("Failed to read secring");
throw ex;
} finally {
rop.drop(keyfile);
}
try {
// print armored keys to the stdout
print_key(rop, ses, "rsa@key", false);
print_key(rop, ses, "rsa@key", true);
print_key(rop, ses, "25519@key", false);
print_key(rop, ses, "25519@key", true);
} catch (Exception ex) {
Console.WriteLine("Failed to print armored key(s)");
throw ex;
}
try {
// write armored keys to the files, named key-<keyid>-pub.asc/named key-<keyid>-sec.asc
export_key(rop, ses, "rsa@key", false);
export_key(rop, ses, "rsa@key", true);
export_key(rop, ses, "25519@key", false);
export_key(rop, ses, "25519@key", true);
} catch (Exception ex) {
Console.WriteLine("Failed to write armored key(s) to file");
throw ex;
}
} finally {
rop.drop_from(alt);
}
}
private void encrypt(RopBind rop)
{
int alt = rop.tagging();
try {
// initialize
RopSession ses = rop.create_session(RopBind.KEYSTORE_GPG, RopBind.KEYSTORE_GPG);
RopInput keyfile = null;
try {
// load public keyring - we do not need secret for encryption
keyfile = rop.create_input("pubring.pgp");
// we may use secret=True and public=True as well
ses.load_keys_public(RopBind.KEYSTORE_GPG, keyfile);
} catch (RopError ex) {
Console.WriteLine("Failed to read pubring");
throw ex;
} finally {
rop.drop(keyfile);
}
try {
// create memory input and file output objects for the message and encrypted message
RopInput input = rop.create_input(new RopData(message), false);
RopOutput output = rop.create_output("encrypted.asc");
// create encryption operation
RopOpEncrypt encrpt = ses.op_encrypt_create(input, output);
// setup encryption parameters
encrpt.set_armor(true);
encrpt.set_file_name("message.txt");
encrpt.set_file_mtime(DateTime.Now);
encrpt.set_compression("ZIP", 6);
encrpt.set_cipher(RopBind.ALG_SYMM_AES_256);
encrpt.set_aead("None");
// locate recipient's key and add it to the operation context. While we search by userid
// (which is easier), you can search by keyid, fingerprint or grip.
RopKey key = ses.locate_key("userid", "rsa@key");
encrpt.add_recipient(key);
// add encryption password as well
encrpt.add_password("encpassword", RopBind.ALG_HASH_SHA256, 0, RopBind.ALG_SYMM_AES_256);
// execute encryption operation
encrpt.execute();
Console.WriteLine("Encryption succeded. Encrypted message written to file encrypted.asc");
} catch (RopError ex) {
Console.WriteLine("Encryption failed");
throw ex;
}
} finally {
rop.drop_from(alt);
}
}
