Function verify 

pub fn verify<R>(
    pk: &PublicKeyBox<'_>,
    signature_box: &SignatureBox<'_>,
    data_reader: R,
) -> Result<bool>
where
    R: Read,

Verify a minisign signature

Arguments

• pk - The public key to verify the signature
• signature_box - The signature to verify
• data_reader - The data to verify

Returns

A Result containing a boolean, true if the signature is valid

Errors

• ErrorKind::Io - If there is an error reading the data
• ErrorKind::PublicKey - If the public key is invalid or not matching the signature
• ErrorKind::PrehashedMismatch - If the signature is not prehashed