package sha256

import (
	"crypto/sha256"
	"hash"
)

// New initializes a new sha256.New()
func New() hash.Hash { return sha256.New() }

// Sum256 returns the SHA256 checksum of the data.
func Sum256(data []byte) [sha256.Size]byte { return sha256.Sum256(data) }

// Size is the size of a SHA256 checksum in bytes.

    --hash=sha256:122c7fa62b130ed55f8f285bfd56d5f4b4a5b503609d181f9ad85e55c89f4185 \
    --hash=sha256:1ceae2f17a9c33cb48e3263960dc5fc8005351ee19db217e9b1bb15d28c02574 \
    --hash=sha256:1d3193f4a680c64b4b6a9115943538edb896edc190f0b222e73761716519268e \
    --hash=sha256:1f79682fbe303db92bc2b1136016a38a42e835d932bab5b3b1bfcfbf0640e519 \
    --hash=sha256:2127566c664442652f024c837091890cb1942c30937add288223dc895793f898 \

		// 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"

		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 {

    --hash=sha256:122c7fa62b130ed55f8f285bfd56d5f4b4a5b503609d181f9ad85e55c89f4185 \
    --hash=sha256:1ceae2f17a9c33cb48e3263960dc5fc8005351ee19db217e9b1bb15d28c02574 \
    --hash=sha256:1d3193f4a680c64b4b6a9115943538edb896edc190f0b222e73761716519268e \
    --hash=sha256:1f79682fbe303db92bc2b1136016a38a42e835d932bab5b3b1bfcfbf0640e519 \
    --hash=sha256:2127566c664442652f024c837091890cb1942c30937add288223dc895793f898 \

    --hash=sha256:122c7fa62b130ed55f8f285bfd56d5f4b4a5b503609d181f9ad85e55c89f4185 \
    --hash=sha256:1ceae2f17a9c33cb48e3263960dc5fc8005351ee19db217e9b1bb15d28c02574 \
    --hash=sha256:1d3193f4a680c64b4b6a9115943538edb896edc190f0b222e73761716519268e \
    --hash=sha256:1f79682fbe303db92bc2b1136016a38a42e835d932bab5b3b1bfcfbf0640e519 \
    --hash=sha256:2127566c664442652f024c837091890cb1942c30937add288223dc895793f898 \

    --hash=sha256:122c7fa62b130ed55f8f285bfd56d5f4b4a5b503609d181f9ad85e55c89f4185 \
    --hash=sha256:1ceae2f17a9c33cb48e3263960dc5fc8005351ee19db217e9b1bb15d28c02574 \
    --hash=sha256:1d3193f4a680c64b4b6a9115943538edb896edc190f0b222e73761716519268e \
    --hash=sha256:1f79682fbe303db92bc2b1136016a38a42e835d932bab5b3b1bfcfbf0640e519 \
    --hash=sha256:2127566c664442652f024c837091890cb1942c30937add288223dc895793f898 \

    os: "linux"
    arch: "amd64"
    vendor: "oracle"
    version: "7u80"
    sha256: "bad9a731639655118740bee119139c1ed019737ec802a630dd7ad7aab4309623"
  - params:
      - "linux.java8.openjdk.64bit"
      - "linux.java8.oracle.64bit"
    os: "linux"
    arch: "amd64"
    vendor: "oracle"
    version: "8u401"
    sha256: "19684fccd7ff32a8400e952a643f0049449a772ef63b8037d5b917cbd137d173"
  - params:

    --hash=sha256:122c7fa62b130ed55f8f285bfd56d5f4b4a5b503609d181f9ad85e55c89f4185 \
    --hash=sha256:1ceae2f17a9c33cb48e3263960dc5fc8005351ee19db217e9b1bb15d28c02574 \
    --hash=sha256:1d3193f4a680c64b4b6a9115943538edb896edc190f0b222e73761716519268e \
    --hash=sha256:1f79682fbe303db92bc2b1136016a38a42e835d932bab5b3b1bfcfbf0640e519 \
    --hash=sha256:2127566c664442652f024c837091890cb1942c30937add288223dc895793f898 \

ncryption-S3-Kms-Sealed-Key":"IAAfAJjZ2dY7iCAom9rP/UK/5mmg/gpSloOs8Xjy5gYKtTDfL==","X-Minio-Internal-Server-Side-Encryption-S3-Sealed-Key":"IAAfAN+0R4CsC3ibYvamkvm9KIg+hidIQ==","X-Minio-Internal-Server-Side-Encryption-Seal-Algorithm":"DAREv2-HMAC-SHA256","content-type":"text/plain"}},{"Bucket":"buck1","Name":"go_113/src/cmd/go/testdata/mod/rsc.io_breaker_v1.0.0.txt","UserDef":{"X-Minio-Internal-Server-Side-Encryption-Iv":"HaaoKKQdysUQRnLF1tKF+a0BiM=","X-Minio-Internal-Server-Side-Encryption-S3-K...