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Add validation of public keys to prevent certifying weak keys #490

Merged
merged 1 commit into from
Mar 29, 2022
Merged

Add validation of public keys to prevent certifying weak keys #490

merged 1 commit into from
Mar 29, 2022

Commits on Mar 29, 2022

  1. Add validation of public keys to prevent certifying weak keys 

    This adds checks for RSA, ECDSA and ED25519 (no-op) keys. This
will prevent Fulcio from signing certificates for the following:
* DSA keys
* RSA keys that are smaller than 2048 or larger than 4096
* RSA keys with weak primes
* ECDSA keys that aren't P256, P384, or P521 (P224 or custom curves)

Signed-off-by: Hayden Blauzvern <hblauzvern@google.com>
    @haydentherapper
    haydentherapper committed Mar 29, 2022
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