errors.New("crypto/rsa: input must be hashed with given hash") } // 3. If emLen < hLen + sLen + 2, output "encoding error" and stop. if emLen < hLen+sLen+2 { return nil, ErrMessageTooLong } em := make([]byte, emLen) psLen := emLen - sLen - hLen - 2 db := em[:psLen+1+sLen] h := em[psLen+1+sLen : emLen-1] // 4. Generate a random octet string salt of length sLen; if sLen = 0, // then salt is the empty string. // // 5. Let // M' = (0x)00 00 00 00 00 00 00 00 || mHash || salt; // // M' is an octet string...