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added PKCSv1 2.2 PSS and SHA3-224 support #204
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To clarify, this PR only adds API support. If this PR is approved then I will be happy to work on extending the CLI to support PSS. |
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I saw that there was interest in supporting a more recent version of PKCS1 in some discussion in #68. I decided to give it a try. I noticed that someone was already working on OAEP in #126, so I chose PSS. PSS is in version 2.1 and the latest is 2.2. I also looked at 2.2, which adds SHA-224, SHA-512/224, and SHA-512/256. I noticed that SHA-224 is already in
pkcs1, but SHA3-224 is not, so I added that too. I could not add SHA-512/224 or SHA-512/256 becausehashlibdoesn't have those. There's discussion about adding them though which I reference in the code!Version 2.1 also adds multi-prime RSA, and I would be happy to work on implementing that too! Also, I didn't look closely at #126, but I hope the author there knows that OAEP in version 2.1 is incompatible with version 2.0. Should we support both?