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ed25519ph_sign

arcana::ecc::eddsa

Function ed25519ph_sign 

Source 
pub fn ed25519ph_sign(
    sk: &Ed25519SecretKey,
    msg: &[u8],
    context: &[u8],
) -> Option<Ed25519Signature>
Expand description

Sign a message with Ed25519ph (RFC 8032 §5.1.7, pre-hashed mode).

The message is internally hashed with SHA-512 before being fed into the Ed25519 algebraic core. context may be empty (unlike ctx mode); maximum context length is still 255 bytes.