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PuTTY Evidence

0.81 fixes biased P-521 nonces

Catalog row in Vendor License Evidence · Cited

Kind
Documentation excerpt
Excerpt
"NIST P521 / ecdsa-sha2-nistp521 signatures are no longer generated with biased values of k. The previous bias compromises private keys."
Locator
Change log, 0.81 (released 2024-04-15)
Applies to
Releases before 0.81 compromise NIST P-521 keys (CVE-2024-31497)
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