Trait ecdsa::hazmat::DigestPrimitive
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Bind a preferred Digest
algorithm to an elliptic curve type.
Generally there is a preferred variety of the SHA-2 family used with ECDSA for a particular elliptic curve.
This trait can be used to specify it, and with it receive a blanket impl of
PrehashSignature
, used by signature_derive
) for the Signature
type for a particular elliptic curve.