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Although this approach fixes the decryption problem from the previous noncompliant code example, at runtime this code may inadvertently store the passwords as cleartext. Java string objects are immutable, and can be copied and internally stored by the JVM. Consequently, Java lacks a mechanism to securely erase a password once it has been stored in a String. See MSC10MSC56-J. Limit the lifetime of sensitive data for more information.

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[ISO/IEC TR 24772:2010

http://www.aitcnet.org/isai/]

"Insufficiently Protected Credentials [java:XYM]"

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MITRE CWE

CWE ID 256, "Plaintext Storage of a Password"

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[SD:[API 2006

java:AA. References#API 06]]

Class java.security.MessageDigest

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[SD:[API 2006

java:AA. References#API 06]]

Class java.lang.String

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http://www.javapractices.com/topic/TopicAction.do?Id=216

Passwords never in clear text

http://en.wikipedia.org/wiki/Salt_(cryptography) 

Salt (cryptography)

http://en.wikipedia.org/wiki/Cryptographic_hash_function 

Cryptographic hash function

http://nsa.gov/

 

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