Implementation comparison: `crypto_sign/donald2048`

Operation	`crypto_sign`
Primitive	`donald2048`
Description	DSA signatures using a 2048-bit prime
Designers	Example for eBATS
Implementations	`cryptopp`	Wei Dai (wrapper around Crypto++)
	`openssl`	Daniel J. Bernstein (wrapper around OpenSSL)

Implementation comparison: crypto_sign/donald2048