DidiSoft Ltd.

We have received recently an email from one of our customers that have encountered an exception with message “Unknown object in stream 21“. The scenario when this exception occurred was: she tried to encrypt with an ASCII armored public key received from a partner with different operating system. The reason for the above exception was [...]

If you encrypt data for recipients that use McAfee EBusiness Server 7.1 you may receive complaints that they cannot decrypt the file. Below is a common log if the other party uses info level VERBOSE (with command line parameter –info VERBOSE or in the pgp.cfg file): Enter pass phrase: event 23: Decryption symmetric cipher used: [...]

Sometimes if you try to decrypt an OpenPGP encrypted file you may encounter an IO exception with message “ unknown object in stream SymmetricKeyEncrypted“. After an investigation, we found that such an exception is thrown when we try to decrypt a password based encrypted file (also known as conventional encrypted or PBE) created with PGP version [...]

The default methods for OpenPGP signing and one pass sign and encrypt provided byDidiSoft OpenPGP Library for Java and OpenPGP Library for  .NET produce version 4 OpenPGP digital signatures (for more information, please refer to the OpenPGP specification RFC 4880 ). Unfortunately PGP version 6.5 and below recognize only version 3 digital signatures. In order [...]