Putty vulnerability: bias in ECDSA deterministic nonce generation leads to compromise of NIST P521 keys with ~60 signatures

www.chiark.greenend.org.uk

Putty vulnerability: bias in ECDSA deterministic nonce generation leads to compromise of NIST P521 keys with ~60 signatures

www.chiark.greenend.org.uk

Arthur BesseMA to

CryptographyEnglish · 7 months ago

writeup from the researcher who discovered this: https://www.openwall.com/lists/oss-security/2024/04/15/6

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cryptography (noun). The discipline concerned with communication security (eg, confidentiality of messages, integrity of messages, sender authentication, non-repudiation of messages, and many other related issues), regardless of the used medium such as pencil and paper or computers.

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