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AES (Advanced Encryption Standard) is a symmetrical block-cipher algorithm with a 128-bit block size, and key sizes of 128, 192 or 256 bits.

4 votes
1 answer
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How does gpg know what cipher algorithm is needed for decryption?

I am using gpg to make encrypt a tar.gz. My first try uses --verbose --symmetric and then the decryption is done with --verbose --decrypt. The --verbose shows that encryption was done with CAST5 and …
Trevor Boyd Smith's user avatar