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25 
26 package java.security.cert;
27 
28 /**
29  * The {@code PKIXReason} enumerates the potential PKIX-specific reasons
30  * that an X.509 certification path may be invalid according to the PKIX
31  * (RFC 5280) standard. These reasons are in addition to those of the
32  * {@code CertPathValidatorException.BasicReason} enumeration.
33  *
34  * @since 1.7
35  */
36 public enum PKIXReason implements CertPathValidatorException.Reason {
37     /**
38      * The certificate does not chain correctly.
39      */
40     NAME_CHAINING,
41 
42     /**
43      * The certificate's key usage is invalid.
44      */
45     INVALID_KEY_USAGE,
46 
47     /**
48      * The policy constraints have been violated.
49      */
50     INVALID_POLICY,
51 
52     /**
53      * No acceptable trust anchor found.
54      */
55     NO_TRUST_ANCHOR,
56 
57     /**
58      * The certificate contains one or more unrecognized critical
59      * extensions.
60      */
61     UNRECOGNIZED_CRIT_EXT,
62 
63     /**
64      * The certificate is not a CA certificate.
65      */
66     NOT_CA_CERT,
67 
68     /**
69      * The path length constraint has been violated.
70      */
71     PATH_TOO_LONG,
72 
73     /**
74      * The name constraints have been violated.
75      */
76     INVALID_NAME
77 }
78