Putty vulnerability: bias in ECDSA deterministic nonce generation leads to compromise of NIST P521 keys with ~60 signatures
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 vuln-p521-bias
writeup from the researcher who discovered this: https://www.openwall.com/lists/oss-security/2024/04/15/6