Monday, 3 June 2019

Extremely slow GnuPG 2.x Performance

I have an curious problem with my script. The script runs very fast ,when i use GnuPG 1.x. With GnuPG 2.x it runs very slow at encryption/decryption, and i have no idea why.


Versions: GnuPG 1.4.20-6 / GnuPG 2.1.11-7, both on Debian Testing x64


Commandlines:


gpg -z 0 --yes --no-tty --symmetric --cipher-algo twofish --digest-algo sha512 --passphrase-file $KEYFILE

gpg2 -z 0 --yes --batch --no-tty --symmetric --cipher-algo twofish --digest-algo sha512 --passphrase-file $KEYFILE

Both are working without any problems. Only the speed of GnuPG 2.x versus GnuPG 1.x is horrobly slow.


Any suggestions?

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