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supercap
2013 Dec 07
4
New key type (ed25519) and private key format
...d doesn't require random numbers to generate a signature.
This last property means it completely avoids (EC-)DSA's horrible,
private-key leaking problem when fed from a predictable random number
generator.
Ed25519 is not supported in OpenSSL, so we used a public-domain
implementation (from SUPERCOP). Unfortunately this means that we could
not use the PEM key format that we have used for RSA, DSA and ECDSA keys
until now, so Markus made a new one.
The new key format looks a lot like the old one (a blob of base64
encoded key material with beginning and end markers), but offers quite
a bit more...