Portable OpenBSD signify.
ISC License
Go implementation of the OpenSSH SSH Signature protocol. Sign and verify messages using SSH keys ...
secp521r1 and AES-256-CTR with HMAC-SHA-384
Produce ethereum compatible signature with Google Cloud KMS.
A pure Go Filecoin signing library.
BLS 12-381 utils, POP signature scheme, pure Go (use at own risk).
Pure Go implementation of the NaCL set of API's
A dead simple tool to sign files and verify digital signatures.
Various crypto utilties based on a common NaCl/Ed25519 core.
Portable, secure by default cryptography
Signatures for HTTP requests