software.amazon.awssdk.crt.utils

Class PemUtils

java.lang.Object

software.amazon.awssdk.crt.utils.PemUtils

public class PemUtils
extends Object

Utility Class used for Cleaning Up and Sanity Checking PEM formatted Strings for Validity.

Method Summary

Modifier and Type	Method and Description
static String	cleanUpPem(String pem) Cleanup Function that removes most formatting and copy/paste mistakes from PEM formatted Strings.
static String	removeInvalidPemChars(String pem) Removes characters that are not valid in PEM format (non-base64 chars).
static boolean	safeSanityCheck(String pem, int maxChainLength, String expectedPemTypeSubString) Returns false if there is a problem with a PEM instead of throwing an Exception.
static void	sanityCheck(String pem, int maxChainLength, String expectedPemTypeSubString) Performs various sanity checks on a PEM Formatted String, and should be tolerant of common minor mistakes in formatting.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

removeInvalidPemChars

public static String removeInvalidPemChars(String pem)

Removes characters that are not valid in PEM format (non-base64 chars). No other cleanup is done.

Parameters:

pem - The input "dirty" PEM

Returns:

The output "clean" PEM

cleanUpPem

public static String cleanUpPem(String pem)

Cleanup Function that removes most formatting and copy/paste mistakes from PEM formatted Strings.

Parameters:

pem - The input "dirty" PEM

Returns:

The output "clean" PEM

sanityCheck

public static void sanityCheck(String pem,
                               int maxChainLength,
                               String expectedPemTypeSubString)

Performs various sanity checks on a PEM Formatted String, and should be tolerant of common minor mistakes in formatting.

Parameters:

pem - The PEM or PEM Chain to validate.

maxChainLength - The max number of PEM encoded objects in the String.

expectedPemTypeSubString - A Substring that is expected to be present in the PEM Type.

Throws:

IllegalArgumentException - if there is a problem with the PEM formatted String.

safeSanityCheck

public static boolean safeSanityCheck(String pem,
                                      int maxChainLength,
                                      String expectedPemTypeSubString)

Returns false if there is a problem with a PEM instead of throwing an Exception.

Parameters:

pem - The PEM to sanity check.

maxChainLength - The Max number of PEM Objects in the PEM String

expectedPemTypeSubString - A Substring that is expected to be present in the PEM Type.

Returns:

True if the PEM passes all sanity Checks, false otherwise.