Examples with Decoder java.util.Base64.Decoder used on opensource projects

Example 21 with Decoder

use of java.util.Base64.Decoder in project jdk8u_jdk by JetBrains.

the class TestBase64Golden method test1.

private static void test1() throws Exception {
    byte[] src = new byte[] { 46, -97, -35, -44, 127, -60, -39, -4, -112, 34, -57, 47, -14, 67, 40, 18, 90, -59, 68, 112, 23, 121, -91, 94, 35, 49, 104, 17, 30, -80, -104, -3, -53, 27, 38, -72, -47, 113, -52, 18, 5, -126 };
    Encoder encoder = Base64.getMimeEncoder(49, new byte[] { 0x7e });
    byte[] encoded = encoder.encode(src);
    Decoder decoder = Base64.getMimeDecoder();
    byte[] decoded = decoder.decode(encoded);
    if (!Objects.deepEquals(src, decoded)) {
        throw new RuntimeException();
    }
}

Example 22 with Decoder

use of java.util.Base64.Decoder in project jdk8u_jdk by JetBrains.

the class TestBase64 method testDecodeUnpadded.

private static void testDecodeUnpadded() throws Throwable {
    byte[] srcA = new byte[] { 'Q', 'Q' };
    byte[] srcAA = new byte[] { 'Q', 'Q', 'E' };
    Base64.Decoder dec = Base64.getDecoder();
    byte[] ret = dec.decode(srcA);
    if (ret[0] != 'A')
        throw new RuntimeException("Decoding unpadding input A failed");
    ret = dec.decode(srcAA);
    if (ret[0] != 'A' && ret[1] != 'A')
        throw new RuntimeException("Decoding unpadding input AA failed");
    ret = new byte[10];
    if (dec.wrap(new ByteArrayInputStream(srcA)).read(ret) != 1 && ret[0] != 'A')
        throw new RuntimeException("Decoding unpadding input A from stream failed");
    if (dec.wrap(new ByteArrayInputStream(srcA)).read(ret) != 2 && ret[0] != 'A' && ret[1] != 'A')
        throw new RuntimeException("Decoding unpadding input AA from stream failed");
}

Example 23 with Decoder

use of java.util.Base64.Decoder in project java-example by 1479005017.

the class CipherHelper method toPrivateKey.

/**
 * 转换私钥格式
 *
 * @param algorithm
 * @param privateCode
 * @return
 */
public static PrivateKey toPrivateKey(Algorithm algorithm, String privateCode) {
    try {
        Base64.Decoder decoder = Base64.getDecoder();
        PKCS8EncodedKeySpec privateKeySpec = new PKCS8EncodedKeySpec(decoder.decode(privateCode));
        KeyFactory keyFactory = KeyFactory.getInstance(algorithm.getName());
        return keyFactory.generatePrivate(privateKeySpec);
    } catch (Exception e) {
        logger.info("私钥转换失败", e);
    }
    return null;
}

Example 24 with Decoder

use of java.util.Base64.Decoder in project java-example by 1479005017.

the class CipherHelper method toSecretKey.

/**
 * 转换密钥格式
 *
 * @param algorithm
 * @param secretCode
 * @return
 */
public static SecretKey toSecretKey(Algorithm algorithm, String secretCode) {
    try {
        Base64.Decoder decoder = Base64.getDecoder();
        SecretKeySpec secretKeySpec = new SecretKeySpec(decoder.decode(secretCode), algorithm.getName());
        return secretKeySpec;
    } catch (Exception e) {
        logger.info("密钥转换失败", e);
    }
    return null;
}

Example 25 with Decoder

use of java.util.Base64.Decoder in project FP-PSP-SERVER by FundacionParaguaya.

the class ImageParser method parse.

public static ImageDTO parse(String fileString, String imageDirectory) {
    ImageDTO image = null;
    // Image format validation (MIME type: image/jpeg, image/png, image/bmp, ...)
    String data = fileString.substring(0, fileString.indexOf(';'));
    String attribute = data.substring(0, data.indexOf(':'));
    if ("data".equals(attribute)) {
        String contentType = data.substring(data.indexOf(':') + 1);
        String type = contentType.substring(0, contentType.indexOf('/'));
        if ("image".equals(type)) {
            String format = contentType.substring(contentType.indexOf('/') + 1);
            String base64 = fileString.substring(fileString.indexOf(',') + 1);
            Base64.Decoder decoder = Base64.getDecoder();
            byte[] fileBytes = decoder.decode(base64);
            File file;
            try {
                file = File.createTempFile("file", ".tmp");
                Files.write(fileBytes, file);
            } catch (IOException e) {
                LOG.error(e.getMessage(), e);
                throw new InternalServerErrorException(e);
            }
            image = new ImageDTO();
            image.setFile(file);
            image.setFormat(format);
            image.setImageDirectory(imageDirectory);
        }
    }
    return image;
}