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> -----Original Message----- > From: Chris Faulkner [mailto:[EMAIL PROTECTED] > Sent: donderdag 10 juli 2003 8:10 > To: [EMAIL PROTECTED] > Subject: PDF encryption > 1. Why does the documentation direct us to use > security.provider.6=org.bouncycastle.jce.provider.BouncyCastleProvid > er > > rather than any of the other security providers ? Perhaps I am > misunderstanding things but I think that Sun's own provider is > shipped with > 1.4. (security.provider.4=com.sun.crypto.provider.SunJCE) > Has to do with the RC4-standard, which is not supported by JCE. BouncyCastle is one of the providers that supports RC4, and is preferred, i believe, because the installation is quite straightforward in comparison to others... > 2. The encryption is 40 bit. Are there any plans to take this to > 128 ? I read elsewhere that there is software to decrypt PDF's - > does anyone have links to this ? > Don't know about the 128-bit encryption, but for decryption payware : www.elcomsoft.com. ( If anyone can supply me with a link to freeware decryption tools, plz let me know. ) greetz, ald -----BEGIN PGP SIGNATURE----- Version: PGPfreeware 7.0.3 for non-commercial use <http://www.pgp.com> iQA/AwUBPw2JNdBw/OvTa+XUEQK5hACgjxGHYumj1ZS4Gd0stIcZkVHLiroAnRLg yXDMdbHz8gqF4sii9VOKeYVZ =iVDD -----END PGP SIGNATURE----- --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
