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Java Sha-256 메소드

Java Sha-256 메소드, java

Java Sha-256 메소드

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public static String sha256(String base) {
	try{
		MessageDigest digest = MessageDigest.getInstance("SHA-256");
		byte[] hash = digest.digest(base.getBytes("UTF-8"));
		StringBuffer hexString = new StringBuffer();
		for (int i = 0; i<hash.length; i++) {
			String hex = Integer.toHexString(0xff&hash[i]);
			if(hex.length() == 1) hexString.append('0');
			hexString.append(hex);
		}
		return hexString.toString();
    } catch(Exception ex) {
        throw new RuntimeException(ex);
    }
}
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