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Newsgroups: comp.lang.java.help
Date: Mon, 9 Mar 2020 09:55:13 -0700 (PDT)
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Subject: Re: java.security.InvalidKeyException: Wrong key size
From: samquetinuel@gmail.com
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Xref: csiph.com comp.lang.java.help:4311

Le mardi 2 novembre 2004 21:43:43 UTC+1, dmak a =C3=A9crit=C2=A0:
> Hi,
>=20
> I am trying to encrypt a string using MD5. Following is the piece of code=
.
> I get the error "java.security.InvalidKeyException: Wrong key size" at th=
e
> following line
>=20
>    DESedeKeySpec desedeKeySpec =3D new DESedeKeySpec(pwdhash);
>=20
> Any help is appreciated . Thank U
>=20
> Code:-
>   public static void main (String args[]) {
>     arg =3D args[0];
>=20
>     try {
>       password =3D "secretpassword1!";
>       MessageDigest md =3D MessageDigest.getInstance("MD5");
>       pwdhash =3D md.digest(password.getBytes());
>       md =3D null;
>       DESedeKeySpec desedeKeySpec =3D new DESedeKeySpec(pwdhash);
>       System.out.println("Work");
>       SecretKeyFactory keyFactory =3D
> SecretKeyFactory.getInstance("DESede");
>       Key desKey =3D (Key) keyFactory.generateSecret(desedeKeySpec);
>       desCipher =3D Cipher.getInstance("DESede/ECB/PKCS5Padding");
>       desCipher.init(Cipher.ENCRYPT_MODE, desKey);
>     }
>     catch(Exception e) {
>       System.out.println("e "+e);
>     }
>=20
>     String encr =3D encrypt(arg);
>   }

wtf