md5.update(ipad);
        md5.update(data);
        byte[] innerHash = md5.digest();

        md5.reset();
        md5.update(opad);
        md5.update(innerHash);
        byte[] expected = md5.digest();

        try (MockedStatic<Crypto> mockedCrypto = mockStatic(Crypto.class)) {
            mockedCrypto.when(Crypto::getMD5).thenReturn(MessageDigest.getInstance("MD5"));

            HMACT64 hmac = new HMACT64(key);

        final byte[] digest = md5.digest();
        md5.update(opad);
        return md5.digest(digest);
    }

    @Override
    protected int engineDigest(final byte[] buf, final int offset, final int len) {
        final byte[] digest = md5.digest();
        md5.update(opad);
        md5.update(digest);
        try {
            return md5.digest(buf, offset, len);
        } catch (final Exception ex) {

// when the object is uploaded in multiple parts via the S3
// multipart API. Instead, S3 first computes a MD5 of each part:
//
//	 e1 := MD5(part-1)
//	 e2 := MD5(part-2)
//	...
//	 eN := MD5(part-N)
//
// Then, the ETag of the object is computed as MD5 of all individual
// part checksums. S3 also encodes the number of parts into the ETag
// by appending a -<number-of-parts> at the end:
//

// Reader implements the Tagger interface.
type Reader struct {
	src io.Reader

	md5      hash.Hash
	checksum ETag

	readN int64
}

// NewReader returns a new Reader that computes the
// MD5 checksum of the content read from r as ETag.
//
// If the provided etag is not nil the returned
// Reader compares the etag with the computed
// MD5 sum once the r returns io.EOF.

crypto.policy=unlimited
jdk.xml.dsig.secureValidationPolicy=\
    disallowAlg http://www.w3.org/TR/1999/REC-xslt-19991116,\
    disallowAlg http://www.w3.org/2001/04/xmldsig-more#rsa-md5,\
    disallowAlg http://www.w3.org/2001/04/xmldsig-more#hmac-md5,\
    disallowAlg http://www.w3.org/2001/04/xmldsig-more#md5,\
    maxTransforms 5,\
    maxReferences 30,\
    disallowReferenceUriSchemes file http https,\
    minKeySize RSA 1024,\
    minKeySize DSA 1024,\

.vscode/
*.tar.bz2
parts/
prime/
stage/
.sia_temp/
config.json
node_modules/
mc.*
s3-check-md5*
xl-meta*
healing-*
inspect*.zip
200M*
hash-set
minio.RELEASE*
mc
nancy
inspects/*
.bin/
*.gz
docs/debugging/s3-verify/s3-verify
docs/debugging/xl-meta/xl-meta
docs/debugging/s3-check-md5/s3-check-md5
docs/debugging/hash-set/hash-set
docs/debugging/healing-bin/healing-bin
docs/debugging/inspect/inspect

	// ErrCustomerKeyMD5Mismatch indicates that the SSE-C key MD5 does not match the
	// computed MD5 sum. This means that the client provided either the wrong key for
	// a certain MD5 checksum or the wrong MD5 for a certain key.
	ErrCustomerKeyMD5Mismatch = Errorf("The provided SSE-C key MD5 does not match the computed MD5 of the SSE-C key")

./mc mb site1/testbucket/
./mc cp -r --quiet /usr/bin site1/testbucket/

sleep 5

./s3-check-md5 -h

failed_count_site1=$(./s3-check-md5 -versions -access-key minioadmin -secret-key minioadmin -endpoint http://site1-nginx:9001 -bucket testbucket 2>&1 | grep FAILED | wc -l)

# Check the MD5 checksums of encrypted objects from source and target
if [ "${src_obj1_md5}" != "${rep_obj1_md5}" ]; then
	echo "BUG: MD5 checksum of object 'minio2/test-bucket/encrypted' doesn't match with source. Expected: '${src_obj1_md5}', Found: '${rep_obj1_md5}'"
	exit_1
fi
if [ "${src_obj2_md5}" != "${rep_obj2_md5}" ]; then

func getSHA256Sum(data []byte) []byte {
	hash := sha256.New()
	hash.Write(data)
	return hash.Sum(nil)
}

// getMD5Sum returns MD5 sum of given data.
func getMD5Sum(data []byte) []byte {
	hash := md5.New()
	hash.Write(data)
	return hash.Sum(nil)
}

// getMD5Hash returns MD5 hash in hex encoding of given data.
func getMD5Hash(data []byte) string {
	return hex.EncodeToString(getMD5Sum(data))