{
			queryParams: map[string]string{
				"Expires":        "60",
				"Signature":      "badsignature",
				"AWSAccessKeyId": accessKey,
			},
			expected: ErrExpiredPresignRequest,
		},
		// (4) Should error when the signature does not match.
		{
			queryParams: map[string]string{
				"Expires":        fmt.Sprintf("%d", now.Unix()+60),
				"Signature":      "badsignature",
				"AWSAccessKeyId": accessKey,
			},

	if aec != ErrNone {
		return psv, aec
	}

	// Save signature.
	preSignV4Values.Signature, aec = parseSignature("Signature=" + query.Get(xhttp.AmzSignature))
	if aec != ErrNone {
		return psv, aec
	}

	// Return structured form of signature query string.
	return preSignV4Values, ErrNone
}

// Parses signature version '4' header of the following form.
//

	}
	// List of readers used.
	readers := []io.Reader{
		// Test - 1
		bytes.NewReader([]byte("1000;chunk-signature=111123333333333333334444211\r\n")),
		// Test - 2
		bytes.NewReader([]byte("1000;")),
		// Test - 3
		bytes.NewReader([]byte(fmt.Sprintf("%4097d", 1))),
		// Test - 4
		bytes.NewReader([]byte("1000;chunk-signature=111123333333333333334444211\r\n")),
	}
	testCases := []testCase{
		// Test - 1 - small bufio reader.
		{

			extractedSignedHeaders[http.CanonicalHeaderKey(header)] = r.TransferEncoding
		case "content-length":
			// Signature-V4 spec excludes Content-Length from signed headers list for signature calculation.
			// But some clients deviate from this rule. Hence we consider Content-Length for signature
			// calculation to be compatible with such clients.
			extractedSignedHeaders.Set(header, strconv.FormatInt(r.ContentLength, 10))

        final String name;
        final String signature;
        final LinkMetaData.Style style;

        private MethodLinkMetaData(String name, String signature, LinkMetaData.Style style) {
            this.name = name;
            this.signature = signature;
            this.style = style;
        }

        public String getDisplayName() {
            return signature;
        }

        expect:
        type.rawType.signature == 'org.gradle.SomeType'
    }

    def rawTypeForArrayType() {
        type.arrayDimensions = 2

        expect:
        type.rawType.signature == 'org.gradle.SomeType[][]'
    }

    def rawTypeForVarargsType() {
        when:
        type.setVarargs()

        then:
        type.rawType.signature == 'org.gradle.SomeType[]'

        when:

    } else {
      // Everything else requires Android API 21+.
      signature(rootProject.libs.signature.android.apilevel21) { artifact { type = "signature" } }
    }

    // OkHttp requires Java 8+.
    signature(rootProject.libs.codehaus.signature.java18) { artifact { type = "signature" } }
  }

  tasks.withType<KotlinCompile> {
    kotlinOptions {
      jvmTarget = JavaVersion.VERSION_1_8.toString()

  val extensions: List<Extension>,
) {
  /**
   * Returns the standard name of this certificate's signature algorithm as specified by
   * [Signature.getInstance]. Typical values are like "SHA256WithRSA".
   */
  val signatureAlgorithmName: String
    get() {
      return when (signature.algorithm) {
        ObjectIdentifiers.SHA256_WITH_RSA_ENCRYPTION -> "SHA256WithRSA"

        }
        byte[] signature = digest();
        for (int i = 0; i < 8; i++) {
            if (signature[i] != data[offset + ServerMessageBlock.SIGNATURE_OFFSET + i]) {
                if( log.level >= 2 ) {
                    log.println( "signature verification failure" );
                    Hexdump.hexdump( log, signature, 0, 8 );
                    Hexdump.hexdump( log, data,

            targetClass = classMetaData;
        }

        String methodSignature = matcher.group(3);
        if (matcher.group(5) != null) {
            StringBuilder signature = new StringBuilder();
            signature.append(methodSignature);
            signature.append("(");
            if (matcher.group(5).length() > 0) {
                String[] types = PARAM_DELIMITER.split(matcher.group(5));