[]byte, context string) ([]byte, error) { fipsSelfTest() fips140.RecordApproved() var random [32]byte μ, err := computeMessageHash(priv.pub.tr[:], msg, context) if err != nil { return nil, err } return signInternal(priv, &μ, &random), nil } func TestingOnlySignWithR(priv *PrivateKey, msg []byte, context string, random []byte) ([]byte, error) { fipsSelfTest() fips140.RecordApproved() μ, err := computeMessageHash(priv.pub.tr[:], msg, context) if err != nil { return nil, err } if len(random) != 32 { return...