Questions tagged [s2k]
The s2k tag has no usage guidance.
6 questions
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Is there any difference in security between S2K and PBKDF2?
S2K, specified in RFC 4880 § 3.7.1.3, is a KDF designed for the OpenPGP standard which concatenates a password and salt and feeds this, repeating, into a hash function for a configurable number of ...
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In GnuPG, what's the difference between --s2k-cipher-algo and --cipher-algo? [duplicate]
I want to change some encryption options while using GnuPG to encrypt a file symmetrically.
1) However, for choosing the cipher algorithm, GnuPG has two commands and I don't know which one to use.
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What exactly does s2k do in gpg
So I recently discovered the --s2k mode in gpg.
Sadly it is not very well-documented. I mean, what is ...
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PGP String-to-Key specifiers
I've been reading through the PGP Standard and here I'm a little confused. This section is discussing converting string data to a session key. I'm confused about the paragraph in bold. First off, what ...
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RSA Key Generation Parameters - public exponent, certainty, string-to-key count
I want to know what values are appropriate for the public exponent and certainty when generating an RSA Key (for example using Bouncy Castle RSAKeyGenerationParameters function).
What is the ...
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Is bcrypt better than GnuPG's iterated+salted hashing method?
GnuPG has slow hash built-in in form of iterated+salted S2K.
Does it have disadvantages in comparison with bcrypt or scrypt? Is GnuPG's slow hash method easily automated in GPUs?
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