Edit C:\Program Files\Java\jre1.8.0_121\lib\com\sun\deploy\security\MSCryptoDSASignature.class
?? 1 ? ()I ()V ()[B (B)V (B[B)V (I)V ([B)V ([B)Z ([B)[B ([BII)V ([BIII)[B <clinit> <init> )DSA keys should be at least 512 bits long Error generating signature. Key not supported Parameter not supported SHA1withDSA $Signature verification not supported arraycopy bitLength com/sun/deploy/config/Platform -com/sun/deploy/security/MSCryptoDSAPrivateKey ,com/sun/deploy/security/MSCryptoDSASignature 8com/sun/deploy/security/MSCryptoDSASignature$NONEwithDSA 8com/sun/deploy/security/MSCryptoDSASignature$SHA1withDSA convertEndianArray engineGetParameter engineInitSign engineInitVerify engineSetParameter engineSign engineUpdate engineVerify get getDigest getHCryptKey getHCryptProvider initCause java/lang/System java/lang/Throwable java/math/BigInteger !java/security/InvalidKeyException 'java/security/InvalidParameterException java/security/SignatureException java/security/SignatureSpi loadDeployNativeLib nativeSignHash privateKey putInteger resetDigest !sun/security/util/DerOutputStream sun/security/util/DerValue toByteArray update - . / 0 1 2 3 9 : /Lcom/sun/deploy/security/MSCryptoDSAPrivateKey; "()Lcom/sun/deploy/config/Platform; (Ljava/lang/String;)V (Ljava/math/BigInteger;)V (Ljava/security/PrivateKey;)V (Ljava/security/PublicKey;)V *(Ljava/lang/Object;ILjava/lang/Object;II)V &(Ljava/lang/String;)Ljava/lang/Object; '(Ljava/lang/String;Ljava/lang/Object;)V ,(Ljava/lang/Throwable;)Ljava/lang/Throwable; 6 K * + 4 8 ) ; <