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Questions tagged [cryptography]

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3
votes
2answers
8k views

Is there a lightweight library that can perform RSA-2048 encryption for an embedded application?

I'm looking for a C/C++ implementation of RSA with a 2048 bit key (preferably read from a file). My target is an embedded platform, so it comes with some odd restrictions. The hardware restricts us ...
12
votes
3answers
973 views

Lightweight crypto library to verify a signature

Are there any open source crypto libraries that can be used in embedded systems or in other memory constrained places like a boot rom? I am looking for libraries that I can compile only the algorithms ...
4
votes
0answers
49 views

Tool for smart card based PGP decryption?

My problem (in case there's a solution I couldn't envision) I want to build a secure backup solution. As I own a smartcard, I thought to use asymmetric encryption with the private key remaining on ...