Refactor ED25519_sign into hw and nohw backend #1276
Merged
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Description of changes:
Refactors
ED25519_sign
into a no-hardware and a hardware path. Existing backend is the former. Preparation for s2n-bignum Ee25519.s2n-bignum is lacking SHA512. So unfortunately, I can't punt this computation to s2n-bignum.
PR chain:
ED25519_keypair
Refactor ED25519_keypair into hw and nohw backend #1271ED25519_sign
ED25519_verify
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