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>...while GnuPG can be convinced to decrypt CAST5 encrypted messages... That's not actually a problem. The problem would be if it could be convinced to encrypt

>...while GnuPG can be convinced to decrypt CAST5 encrypted messages... That's not actually a problem. The problem would be if it could be convinced to encrypt CAST5 messages. Assuming that is actually a problem. Is there anything particularly wrong with CAST5 other than the block size?

dspillett 5y ago
> That's not actually a problem. The problem would be if it could be convinced to encrypt CAST5 messages. I don't disagree, but would add that if the encryption used is believed to be insufficiently secure these days all tools should warn loudly that this is the case when asked to decrypt them.