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public interface Certificate
Interface common to certificates. The features abstracted of Certificates
include subject, issuer, type, version, serial number, signing algorithm,
dates of valid use, and serial number.
Printable Representation for Binary Values
A non-string values in a certificate are represented as strings with each byte as two hex digits (capital letters for A-F) separated by ":" (Unicode U+003A).
For example: 0C:56:FA:80
Printable Representation for X.509 Distinguished Names
An X.509 distinguished name is a sequence of relative names. Each relative name is a sequence of attributes; each attribute is a sequence of an object ID and a value. For string comparison purposes, the following rules define a strict printable representation :
Object ID | Binary | Label |
---|---|---|
id-at-commonName | 55:04:03 | CN |
id-at-surname | 55:04:04 | SN |
id-at-countryName | 55:04:06 | C |
id-at-localityName | 55:04:07 | L |
id-at-stateOrProvinceName | 55:04:08 | ST |
id-at-streetAddress | 55:04:09 | STREET |
id-at-organizationName | 55:04:0A | O |
id-at-organizationUnitName | 55:04:0B | OU |
emailAddress | 2A:86:48:86:F7:0D:01:09:01 | EmailAddress |
Example of a printable distinguished name:
C=US;O=Any Company, Inc.;CN=www.anycompany.com
Method Summary | |
---|---|
java.lang.String |
getIssuer()
Gets the name of this certificate's issuer. |
long |
getNotAfter()
Gets the time after which this Certificate may not be used
from the validity period. |
long |
getNotBefore()
Gets the time before which this Certificate may not be
used from the validity period. |
java.lang.String |
getSerialNumber()
Gets the printable form of the serial number of this Certificate . |
java.lang.String |
getSigAlgName()
Gets the name of the algorithm used to sign the Certificate . |
java.lang.String |
getSubject()
Gets the name of this certificate's subject. |
java.lang.String |
getType()
Get the type of the Certificate . |
java.lang.String |
getVersion()
Gets the version number of this Certificate . |
Method Detail |
---|
java.lang.String getSubject()
Certificate
; the value MUST
NOT be null
.java.lang.String getIssuer()
Certificate
; the value MUST NOT
be null
.java.lang.String getType()
Certificate
. For X.509 Certificates
the value returned is "X.509".
Certificate
; the value MUST NOT
be null
.java.lang.String getVersion()
Certificate
. The format
of the version number depends on the specific type and specification. For
a X.509 certificate per [RFC3280]
it would be "3".
Certificate
; the value
MUST NOT be null
.java.lang.String getSigAlgName()
Certificate
.
The algorithm names returned should be the labels defined in
[RFC3279] § 2.2.
null
.long getNotBefore()
Certificate
may not be
used from the validity period.
Certificate
is not valid; it MUST be positive, 0
is returned
if the certificate does not have its validity restricted based on
the time.long getNotAfter()
Certificate
may not be used
from the validity period.
Certificate
is not valid (expiration date); it MUST be positive; Long.MAX_VALUE
is returned if the certificate does not have its validity
restricted based on the time.java.lang.String getSerialNumber()
Certificate
.
If the serial number within the certificate
is binary it
should be formatted as a string using the binary printable representation
in class description. For example, 0C:56:FA:80.
null
is returned if there is no serial number.
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