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Deprecate RandomSessionIdGenerator due to insufficient entropy #2759

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Deprecate RandomSessionIdGenerator due to insufficient entropy #2759

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4 changes: 4 additions & 0 deletions core/src/main/java/org/apache/shiro/session/mgt/eis/RandomSessionIdGenerator.java
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Expand Up @@ -30,7 +30,11 @@
* implementation is a {@link java.security.SecureRandom SecureRandom} with the {@code SHA1PRNG} algorithm.
*
* @since 1.0
* @deprecated since 2.0. Use {@link JavaUuidSessionIdGenerator} instead. This class uses only 64 bits of entropy
* which is below modern industry minimums (128 bits per OWASP ASVS and NIST SP 800-63B) and poses
* a security risk if used in production.
*/
@Deprecated
public class RandomSessionIdGenerator implements SessionIdGenerator {

private static final Logger LOGGER = LoggerFactory.getLogger(RandomSessionIdGenerator.class);
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