--hash=sha256:1ceae2f17a9c33cb48e3263960dc5fc8005351ee19db217e9b1bb15d28c02574 \
    --hash=sha256:1d3193f4a680c64b4b6a9115943538edb896edc190f0b222e73761716519268e \
    --hash=sha256:1f79682fbe303db92bc2b1136016a38a42e835d932bab5b3b1bfcfbf0640e519 \
    --hash=sha256:2127566c664442652f024c837091890cb1942c30937add288223dc895793f898 \
    --hash=sha256:22afcb9f253dac0696b5a4be4a1c0f8762f8239e21b99680099abd9b2b1b2269 \

		return r.checksum
	}
	return r.ETag()[:]
}

// SHA256 returns the SHA256 checksum set as reference value.
//
// It corresponds to the checksum that is expected and
// not the actual SHA256 checksum of the content.
func (r *Reader) SHA256() []byte {
	return r.contentSHA256
}

// SHA256HexString returns a hex representation of the SHA256.
func (r *Reader) SHA256HexString() string {

TLS_AES_128_GCM_SHA256
TLS_AES_256_GCM_SHA384
TLS_CHACHA20_POLY1305_SHA256
TLS_AES_128_CCM_SHA256
TLS_AES_256_CCM_8_SHA256
TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256
TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA

    --hash=sha256:1ceae2f17a9c33cb48e3263960dc5fc8005351ee19db217e9b1bb15d28c02574 \
    --hash=sha256:1d3193f4a680c64b4b6a9115943538edb896edc190f0b222e73761716519268e \
    --hash=sha256:1f79682fbe303db92bc2b1136016a38a42e835d932bab5b3b1bfcfbf0640e519 \
    --hash=sha256:2127566c664442652f024c837091890cb1942c30937add288223dc895793f898 \
    --hash=sha256:22afcb9f253dac0696b5a4be4a1c0f8762f8239e21b99680099abd9b2b1b2269 \

    --hash=sha256:1ceae2f17a9c33cb48e3263960dc5fc8005351ee19db217e9b1bb15d28c02574 \
    --hash=sha256:1d3193f4a680c64b4b6a9115943538edb896edc190f0b222e73761716519268e \
    --hash=sha256:1f79682fbe303db92bc2b1136016a38a42e835d932bab5b3b1bfcfbf0640e519 \
    --hash=sha256:2127566c664442652f024c837091890cb1942c30937add288223dc895793f898 \
    --hash=sha256:22afcb9f253dac0696b5a4be4a1c0f8762f8239e21b99680099abd9b2b1b2269 \

				"X-Amz-SignedHeaders":  "host;x-amz-content-sha256;x-amz-date",
				"X-Amz-Credential":     fmt.Sprintf(credentialTemplate, accessKeyID, now.Format(yyyymmdd), region),
				"X-Amz-Content-Sha256": payloadSHA256,
			},
			headers: map[string]string{
				"X-Amz-Date":           now.AddDate(0, 0, -2).Format(iso8601Format),
				"X-Amz-Content-Sha256": payloadSHA256,
			},
			region:   region,

    @JvmField val TLS_RSA_WITH_NULL_SHA256 = init("TLS_RSA_WITH_NULL_SHA256", 0x003b)

    @JvmField val TLS_RSA_WITH_AES_128_CBC_SHA256 = init("TLS_RSA_WITH_AES_128_CBC_SHA256", 0x003c)

    @JvmField val TLS_RSA_WITH_AES_256_CBC_SHA256 = init("TLS_RSA_WITH_AES_256_CBC_SHA256", 0x003d)

    // @JvmField val TLS_DH_DSS_WITH_AES_128_CBC_SHA256 = init("TLS_DH_DSS_WITH_AES_128_CBC_SHA256", 0x003e)

		// Test case with "X-Amz-Content-Sha256" header set, but to empty value but we can't skip.
		{"X-Amz-Content-Sha256", "", "", "", false},

		// Test case - 2.
		// Test case with "X-Amz-Content-Sha256" not set so we can skip.
		{"", "", "", "", true},

		// Test case - 3.
		// Test case with "X-Amz-Content-Sha256" header set to  "UNSIGNED-PAYLOAD"

      TLS_AES_128_GCM_SHA256,
      TLS_AES_256_GCM_SHA384,
      TLS_CHACHA20_POLY1305_SHA256,
      TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
      TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
      TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
      TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
      TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256,
      TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256,
    )
  }

  @Test

TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256
TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256
TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
TLS_RSA_WITH_AES_128_GCM_SHA256
TLS_RSA_WITH_AES_256_GCM_SHA384