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StringUtils: Fix typo and expose unambiguous alphabet as string

This commit is contained in:
Paul Schaub 2020-07-15 22:15:38 +02:00
parent b7fe56fb9b
commit bb3c491e0c
Signed by: vanitasvitae
GPG Key ID: 62BEE9264BF17311
1 changed files with 11 additions and 6 deletions
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17
smack-core/src/main/java/org/jivesoftware/smack/util/StringUtils.java
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@ -270,7 +270,12 @@ public class StringUtils {
/**
* 24 upper case characters from the latin alphabet and numbers without '0' and 'O'.
*/
private static final char[] UNAMBIGUOUS_NUMBERS_AND_LETTER = "123456789ABCDEFGHIJKLMNPQRSTUVWXYZ".toCharArray();
public static final String UNAMBIGUOUS_NUMBERS_AND_LETTERS_STRING = "123456789ABCDEFGHIJKLMNPQRSTUVWXYZ";
/**
* 24 upper case characters from the latin alphabet and numbers without '0' and 'O'.
*/
private static final char[] UNAMBIGUOUS_NUMBERS_AND_LETTERS = UNAMBIGUOUS_NUMBERS_AND_LETTERS_STRING.toCharArray();
/**
* Returns a random String of numbers and letters (lower and upper case)
@ -294,14 +299,14 @@ public class StringUtils {
// See also https://www.grc.com/haystack.htm
final int REQUIRED_LENGTH = 10;
return randomString(RandomUtil.SECURE_RANDOM.get(), UNAMBIGUOUS_NUMBERS_AND_LETTER, REQUIRED_LENGTH);
return randomString(RandomUtil.SECURE_RANDOM.get(), UNAMBIGUOUS_NUMBERS_AND_LETTERS, REQUIRED_LENGTH);
}
public static String secureUniqueRandomString() {
// 34^13 = 8.11e19 possible combinations, which is > 2^64.
final int REQUIRED_LENGTH = 13;
return randomString(RandomUtil.SECURE_RANDOM.get(), UNAMBIGUOUS_NUMBERS_AND_LETTER, REQUIRED_LENGTH);
return randomString(RandomUtil.SECURE_RANDOM.get(), UNAMBIGUOUS_NUMBERS_AND_LETTERS, REQUIRED_LENGTH);
}
/**
@ -324,7 +329,7 @@ public class StringUtils {
// See also https://www.grc.com/haystack.htm
final int REQUIRED_LENGTH = 24;
return randomString(RandomUtil.SECURE_RANDOM.get(), UNAMBIGUOUS_NUMBERS_AND_LETTER, REQUIRED_LENGTH);
return randomString(RandomUtil.SECURE_RANDOM.get(), UNAMBIGUOUS_NUMBERS_AND_LETTERS, REQUIRED_LENGTH);
}
private static final int RANDOM_STRING_CHUNK_SIZE = 4;
@ -368,8 +373,8 @@ public class StringUtils {
char[] randomChars = new char[length];
for (int i = 0; i < length; i++) {
int index = random.nextInt(UNAMBIGUOUS_NUMBERS_AND_LETTER.length);
randomChars[i] = UNAMBIGUOUS_NUMBERS_AND_LETTER[index];
int index = random.nextInt(UNAMBIGUOUS_NUMBERS_AND_LETTERS.length);
randomChars[i] = UNAMBIGUOUS_NUMBERS_AND_LETTERS[index];
}
return new String(randomChars);
}