return nil, nil
}

// decryptChecksums will attempt to decode checksums and return it/them if set.
// if part > 0, and we have the checksum for the part that will be returned.
// Returns whether the checksum (main part 0) is a multipart checksum.
func (o *ObjectInfo) decryptChecksums(part int, h http.Header) (cs map[string]string, isMP bool) {
	data := o.Checksum
	if len(data) == 0 {
		return nil, false
	}

 * under the License.
 */
package org.apache.maven.repository.legacy;

import org.apache.maven.wagon.TransferFailedException;

/**
 * Occurs when a download checksum fails.
 *
 */
@Deprecated
public class ChecksumFailedException extends TransferFailedException {
    public ChecksumFailedException(String s) {
        super(s);
    }

		// X-Amz-Content-Sha256, if not set in presigned requests, checksum
		// will default to 'UNSIGNED-PAYLOAD'.
		defaultSha256Cksum = unsignedPayload
		v, ok = r.Form[xhttp.AmzContentSha256]
		if !ok {
			v, ok = r.Header[xhttp.AmzContentSha256]
		}
	} else {
		// X-Amz-Content-Sha256, if not set in signed requests, checksum
		// will default to sha256([]byte("")).
		defaultSha256Cksum = emptySHA256

//
// Each S3 object has an associated ETag that can be
// used to e.g. quickly compare objects or check whether
// the content of an object has changed.
//
// In general, an S3 ETag is an MD5 checksum of the object
// content. However, there are many exceptions to this rule.
//
// # Single-part Upload
//
// In case of a basic single-part PUT operation - without server

	Transition          TransitionOptions
	Expiration          ExpirationOptions
	LifecycleAuditEvent lcAuditEvent

	WantChecksum *hash.Checksum // x-amz-checksum-XXX checksum sent to PutObject/ CompleteMultipartUpload.

	WantServerSideChecksumType hash.ChecksumType // if set, we compute a server-side checksum of this type

	NoDecryption                        bool      // indicates if the stream must be decrypted.

# This file contains the initial defaults for go command configuration.
# Values set by 'go env -w' and written to the user's go/env file override these.
# The environment overrides everything else.

# Use the Go module mirror and checksum database by default.
# See https://proxy.golang.org for details.
GOPROXY=https://proxy.golang.org,direct
GOSUMDB=sum.golang.org

# Automatically download newer toolchains as directed by go.mod files.

CHECK_SUM_DEST=$(sha384sum <(sha384sum "${DEST_DIR}"/* | cut -d " " -f 1 | sort) | cut -d " " -f 1)
if [ "${CHECK_SUM_SRC}" != "${CHECK_SUM_DEST}" ]; then
	echo "Checksum verification of source files and destination files failed"
	exit 1
fi

fi

# If specified, validate the SHA-256 sum of the Maven distribution zip file
if [ -n "${distributionSha256Sum-}" ]; then
  distributionSha256Result=false
  if [ "$MVN_CMD" = mvnd.sh ]; then
    echo "Checksum validation is not supported for maven-mvnd." >&2
    echo "Please disable validation by removing 'distributionSha256Sum' from your maven-wrapper.properties." >&2
    exit 1
  elif command -v sha256sum >/dev/null; then

                updates = policy.getUpdatePolicy();
            }
            if (policy.getChecksumPolicy() != null) {
                checksums = policy.getChecksumPolicy();
            }
        }

        return new RepositoryPolicy(enabled, updates, checksums);
    }

    public static String toRepositoryChecksumPolicy(final String artifactRepositoryPolicy) {
        return switch (artifactRepositoryPolicy) {

	if err != nil {
		return err
	}
	// Verify that CRC is ok.
	want := binary.LittleEndian.Uint32(id)
	got := crc32.ChecksumIEEE(key)
	if want != got {
		return fmt.Errorf("Invalid key checksum, want %x, got %x", want, got)
	}

	stream, err := sio.AES_256_GCM.Stream(key)
	if err != nil {
		return err
	}
	// Zero nonce, we only use each key once, and 32 bytes is plenty.