func SignRSAPKCS1v15(priv *PrivateKeyRSA, h crypto.Hash, hashed []byte) ([]byte, error) {
	panic("boringcrypto: not available")
}
func SignRSAPSS(priv *PrivateKeyRSA, h crypto.Hash, hashed []byte, saltLen int) ([]byte, error) {
	panic("boringcrypto: not available")
}
func VerifyRSAPKCS1v15(pub *PublicKeyRSA, h crypto.Hash, hashed, sig []byte) error {
	panic("boringcrypto: not available")
}

	// that the hash function be collision resistant. SHA-256 is the
	// least-strong hash function that should be used for this at the time
	// of writing (2016).
	hashed := sha256.Sum256(message)

	signature, err := rsa.SignPKCS1v15(nil, rsaPrivateKey, crypto.SHA256, hashed[:])
	if err != nil {
		fmt.Fprintf(os.Stderr, "Error from signing: %s\n", err)
		return
	}

	fmt.Printf("Signature: %x\n", signature)
}

	b.Run("2048", func(b *testing.B) {
		hashed := sha256.Sum256([]byte("testing"))
		s, err := SignPKCS1v15(rand.Reader, test2048Key, crypto.SHA256, hashed[:])
		if err != nil {
			b.Fatal(err)
		}

		b.ResetTimer()
		for i := 0; i < b.N; i++ {
			err := VerifyPKCS1v15(&test2048Key.PublicKey, crypto.SHA256, hashed[:], s)
			if err != nil {
				b.Fatal(err)
			}
		}
	})
}

		h.state = seed
	}
}

// WriteByte adds b to the sequence of bytes hashed by h.
// It never fails; the error result is for implementing [io.ByteWriter].
func (h *Hash) WriteByte(b byte) error {
	if h.n == len(h.buf) {
		h.flush()
	}
	h.buf[h.n] = b
	h.n++
	return nil
}

// Write adds b to the sequence of bytes hashed by h.

}

// Hash64 returns the i-th short hashed symbol's hash.
// Note: here i is the index of short hashed symbols, not all symbols
// (unlike other accessors).
func (r *Reader) Hash64(i uint32) uint64 {
	off := r.h.Offsets[BlkHash64] + uint32(i*Hash64Size)
	return r.uint64At(off)
}

// Hash returns a pointer to the i-th hashed symbol's hash.
// Note: here i is the index of hashed symbols, not all symbols

	}
	return nil
}

// signPSSWithSalt calculates the signature of hashed using PSS with specified salt.
// Note that hashed must be the result of hashing the input message using the
// given hash function. salt is a random sequence of bytes whose length will be
// later used to verify the signature.
func signPSSWithSalt(priv *PrivateKey, hash crypto.Hash, hashed, salt []byte) ([]byte, error) {
	emBits := priv.N.BitLen() - 1

}

// Sign signs the given message with priv. rand is ignored and can be nil.
//
// If opts.HashFunc() is [crypto.SHA512], the pre-hashed variant Ed25519ph is used
// and message is expected to be a SHA-512 hash, otherwise opts.HashFunc() must
// be [crypto.Hash](0) and the message must not be hashed, as Ed25519 performs two
// passes over messages to be signed.
//
// A value of type [Options] can be used as opts, or crypto.Hash(0) or

    }

    def "hashes unknown classloader"() {
        def unknownLoader = Mock(ClassLoader)
        expect:
        hasher.getClassLoaderHash(unknownLoader) == null
    }

    def "hashes hashed classloader"() {
        def hashedLoader = new DelegatingLoader(runtimeLoader)
        def hashedLoaderHash = TestHashCodes.hashCodeFrom(123456)

        when:

     * Try to hash the resource, and signal for fallback if it can't be hashed.
     *
     * @return An Optional containing the hash, or an empty Optional if fallback should be triggered
     */
    abstract Optional<HashCode> tryHash(RegularFileSnapshotContext snapshotContext);

    /**
     * Try to hash the resource, and signal for fallback if it can't be hashed.
     *

            proxy_set_header X-Forwarded-Proto $scheme;
            proxy_set_header X-NginX-Proxy true;

            # This is necessary to pass the correct IP to be hashed
            real_ip_header X-Real-IP;

            proxy_connect_timeout 300;
            
            # To support websocket
            proxy_http_version 1.1;
            proxy_set_header Upgrade $http_upgrade;