MT Manager v2.15.3版本的 MD5 值为：27f0d62ac7123fbbaefff319fdab9f13

以下内容为反编译后的 C1722.java 源代码，内容仅作参考

package l;

import java.io.IOException;
import java.math.BigInteger;
import java.security.InvalidKeyException;
import org.bouncycastle.asn1.x509.ExtensionsGenerator$$ExternalSyntheticOutline0;
import org.bouncycastle.crypto.modes.GCMSIVBlockCipher;

public final class C1722 extends AbstractC9301 {

    public byte[] f6447;

    public byte[] f6448;

    public byte[] f6449;

    @Override
    public final String mo5110() {
        return "SHA-256";
    }

    @Override
    public final byte[] mo5108() {
        return (byte[]) this.f6447.clone();
    }

    @Override
    public final byte[] mo5109() {
        return (byte[]) this.f6448.clone();
    }

    @Override
    public final void mo5106(String str) {
        if (!"curve25519-sha256".equals(str) && !"curve25519-sha256@libssh.org".equals(str)) {
            throw new IOException(C2016.m5865("Invalid name ", str));
        }
        byte[] m30943 = C14804.m30943();
        m30943[0] = (byte) (m30943[0] | 7);
        byte b = (byte) (m30943[31] & 63);
        m30943[31] = b;
        m30943[31] = (byte) (b | GCMSIVBlockCipher.MASK);
        this.f6449 = m30943;
        try {
            byte[] bArr = new byte[32];
            bArr[0] = 9;
            this.f6447 = C2173.m6366(m30943, bArr);
        } catch (InvalidKeyException e) {
            throw new IOException(e);
        }
    }

    @Override
    public final void mo5107(byte[] bArr) {
        if (bArr.length != 32) {
            throw new IOException(ExtensionsGenerator$$ExternalSyntheticOutline0.m(new StringBuilder("Server sent invalid key length "), bArr.length, " (expected 32)"));
        }
        byte[] bArr2 = (byte[]) bArr.clone();
        this.f6448 = bArr2;
        try {
            byte[] m6366 = C2173.m6366(this.f6449, bArr2);
            int i = 0;
            for (int i2 = 0; i2 < 32; i2++) {
                i |= m6366[i2];
            }
            if (i == 0) {
                throw new IOException("Invalid key computed; all zeroes");
            }
            this.f27123 = new BigInteger(1, m6366);
        } catch (InvalidKeyException e) {
            throw new IOException(e);
        }
    }
}