supercop - Simplified CLI for supercop-ref10
supercop <operation> [-k keyfile] [-m message] [-M message-file] [-s signature]
This program allows easy signing and signature verification for the supercop-ref10 implementation of the ed25519 signature scheme.
--printkey
: Print contents of key file
--generate
: Generate a new key
--sign
: Sign a message
--verify
: Verify a message signature
--version
: Show version number and exit
-h, --help
: Show usage and exit
-k, --key-file path
: Select key file to use for the operation
-m, --message message_string
: Message to sign or verify (defaults to stdin)
-M, --message-file path
: Message file to sign or verify (defaults to stdin)
-s, --signature signature_string
: Signature to verify the message against
Here are the possible return values:
0 Everything went fine or the signature was valid
1 Signature was invalid or an error occurred, see stderr for an explanation
supercop doesn't follow any environment variables
finwo (https://finwo.nl)
