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import java.nio.charset.*;
import ctrlc.*;
class Main {
public static void main(String args[]) {
test1();
test_noPks_noIds();
test_privreg();
test_priv1kreg();
System.out.println("everything ok");
}
private static void test1() {
OpaqueIds ids = new OpaqueIds("idU".getBytes(Charset.forName("UTF-8")),
"idS".getBytes(Charset.forName("UTF-8")));
Opaque o = new Opaque();
OpaqueRecExpKey ret = o.register("password", ids);
System.out.println("rec=" + ret.rec + ", ek=" + ret.export_key);
OpaqueCredReq creq = o.createCredReq("password");
System.out.println("sec=" + creq.sec + ", pub=" + creq.pub);
OpaqueCredResp cresp = o.createCredResp(creq.pub, ret.rec, ids, "context");
System.out.println("sec=" + cresp.sec + ", pub=" + cresp.pub);
OpaqueCreds creds = o.recoverCreds(cresp.pub, creq.sec, "context", ids);
assert o.userAuth(cresp.sec, creds.authU);
}
private static void test_noPks_noIds() {
OpaqueIds ids = new OpaqueIds("idU".getBytes(Charset.forName("UTF-8")),
"idS".getBytes(Charset.forName("UTF-8")));
Opaque o = new Opaque();
byte[] skS = fromHex("000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f");
OpaqueRecExpKey ret =o.register("password", skS, ids);
System.out.println("rec=" + ret.rec + ", ek=" + ret.export_key);
OpaqueCredReq creq = o.createCredReq("password");
System.out.println("sec=" + creq.sec + ", pub=" + creq.pub);
OpaqueCredResp cresp = o.createCredResp(creq.pub, ret.rec, ids, "context");
System.out.println("sec=" + cresp.sec + ", pub=" + cresp.pub);
OpaqueCreds creds = o.recoverCreds(cresp.pub, creq.sec, "context", ids);
assert o.userAuth(cresp.sec, creds.authU);
}
private static void test_privreg() {
Opaque o = new Opaque();
OpaqueRegReq regReq = o.createRegReq("password");
OpaqueRegResp regResp = o.createRegResp(regReq.M);
OpaqueIds ids = new OpaqueIds("idU".getBytes(Charset.forName("UTF-8")),
"idS".getBytes(Charset.forName("UTF-8")));
OpaquePreRecExpKey prerec = o.finalizeReg(regReq.sec, regResp.pub, ids);
byte[] rec = o.storeRec(regResp.sec, prerec.rec);
System.out.println("rec: " + toHex(rec) + "\n");
OpaqueCredReq creq = o.createCredReq("password");
System.out.println("sec=" + creq.sec + ", pub=" + creq.pub);
OpaqueCredResp cresp = o.createCredResp(creq.pub, rec, ids, "context");
System.out.println("sec=" + cresp.sec + ", pub=" + cresp.pub);
OpaqueCreds creds = o.recoverCreds(cresp.pub, creq.sec, "context", ids);
assert o.userAuth(cresp.sec, creds.authU);
}
private static void test_priv1kreg() {
Opaque o = new Opaque();
OpaqueRegReq regReq = o.createRegReq("password");
byte[] skS = fromHex("000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f");
OpaqueRegResp regResp = o.createRegResp(regReq.M, skS);
OpaqueIds ids = new OpaqueIds("idU".getBytes(Charset.forName("UTF-8")),
"idS".getBytes(Charset.forName("UTF-8")));
OpaquePreRecExpKey prerec = o.finalizeReg(regReq.sec, regResp.pub, ids);
byte[] rec = o.storeRec(regResp.sec, prerec.rec);
System.out.println("rec: " + toHex(rec) + "\n");
OpaqueCredReq creq = o.createCredReq("password");
System.out.println("sec=" + creq.sec + ", pub=" + creq.pub);
OpaqueCredResp cresp = o.createCredResp(creq.pub, rec, ids, "context");
System.out.println("sec=" + cresp.sec + ", pub=" + cresp.pub);
OpaqueCreds creds = o.recoverCreds(cresp.pub, creq.sec, "context", ids);
assert o.userAuth(cresp.sec, creds.authU);
}
// stackoverflowd from https://stackoverflow.com/a/140861
public static byte[] fromHex(String s) {
int len = s.length();
byte[] data = new byte[len / 2];
for (int i = 0; i < len; i += 2) {
data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4)
+ Character.digit(s.charAt(i+1), 16));
}
return data;
}
// strackoverflowed from: https://stackoverflow.com/a/9855338
private static final byte[] HEX_ARRAY = "0123456789abcdef".getBytes(StandardCharsets.US_ASCII);
public static String toHex(byte[] bytes) {
byte[] hexChars = new byte[bytes.length * 2];
for (int j = 0; j < bytes.length; j++) {
int v = bytes[j] & 0xFF;
hexChars[j * 2] = HEX_ARRAY[v >>> 4];
hexChars[j * 2 + 1] = HEX_ARRAY[v & 0x0F];
}
return new String(hexChars, StandardCharsets.UTF_8);
}
}
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