Ed25519 batch signature verification Adds additional malleability protections for batch signature verification. See: https://eprint.iacr.org/2020/1244.pdf, https://csrc.nist.gov/presentations/2023/taming-the-many-eddsas

near-crypto-ed25519-batch

Batch verification for Ed25519 signatures for NEAR.

Original implementation taken from: https://github.com/dalek-cryptography/curve25519-dalek With additional malleability checks, see:

• https://eprint.iacr.org/2020/1244.pdf
• https://csrc.nist.gov/presentations/2023/taming-the-many-eddsas