pub fn evm_personal_sign(
private_key: &[u8; 32],
message: &[u8],
) -> Result<[u8; 64], O2Error>Expand description
Sign using Ethereum’s personal_sign format (for EVM owner session creation). prefix = “\x19Ethereum Signed Message:\n” + str(len(message)) digest = keccak256(prefix_bytes + message)