Get the signing state directory for a given registry path, group ID, and session ID.
Path: {registry_dir}/group-state/{group_id.hex()}/signing/{session_id.hex()}
{registry_dir}/group-state/{group_id.hex()}/signing/{session_id.hex()}
Port of signing_state_dir() from cmd/sign/common.rs.
signing_state_dir()
Get the signing state directory for a given registry path, group ID, and session ID.
Path:
{registry_dir}/group-state/{group_id.hex()}/signing/{session_id.hex()}Port of
signing_state_dir()from cmd/sign/common.rs.