Cryptography
cypherpunks
•
6mo ago
•
93%
Putty vulnerability: bias in ECDSA deterministic nonce generation leads to compromise of NIST P521 keys with ~60 signatures
https://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-p521-bias.htmlwriteup from the researcher who discovered this: https://www.openwall.com/lists/oss-security/2024/04/15/6
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