[Bug 26741] Reject invalid EC public keys

https://www.w3.org/Bugs/Public/show_bug.cgi?id=26741

vijaybh@microsoft.com changed:

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                 CC|                            |vijaybh@microsoft.com

--- Comment #3 from vijaybh@microsoft.com ---
Speaking for Microsoft's CNG implementations - ECC keys are validated on import
unless the caller explicitly requests that they not be. So assuming a UA used
our crypto implementation, and performed a CNG import when WebCrypto import was
called, they would know at that point if the key was invalid.

I looked up the standards just now - the NIST standards for ECDSA and ECDH
require validation of keys on import. X9.62 describes a key validation
procedure but marks it optional.

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Received on Monday, 29 September 2014 07:34:47 UTC