< prev index next >

src/java.base/share/classes/sun/security/util/SignatureFileVerifier.java

Print this page
rev 51919 : 8215281: Use String.isEmpty() when applicable in java.base
Reviewed-by: dfuchs, alanb


 406     /**
 407      * With a given header (*-DIGEST*), return a string that lists all the
 408      * algorithms associated with the header.
 409      * If there are none, return "Unknown Algorithm".
 410      */
 411     String getWeakAlgorithms(String header) {
 412         String w = "";
 413         try {
 414             for (String key : permittedAlgs.keySet()) {
 415                 if (key.endsWith(header)) {
 416                     w += key.substring(0, key.length() - header.length()) + " ";
 417                 }
 418             }
 419         } catch (RuntimeException e) {
 420             w = "Unknown Algorithm(s).  Error processing " + header + ".  " +
 421                     e.getMessage();
 422         }
 423 
 424         // This means we have an error in finding weak algorithms, run in
 425         // debug mode to see permittedAlgs map's values.
 426         if (w.length() == 0) {
 427             return "Unknown Algorithm(s)";
 428         }
 429 
 430         return w;
 431     }
 432 
 433     /**
 434      * See if the whole manifest was signed.
 435      */
 436     private boolean verifyManifestHash(Manifest sf,
 437                                        ManifestDigester md,
 438                                        List<Object> manifestDigests)
 439          throws IOException, SignatureException
 440     {
 441         Attributes mattr = sf.getMainAttributes();
 442         boolean manifestSigned = false;
 443         // If only weak algorithms are used.
 444         boolean weakAlgs = true;
 445         // If a "*-DIGEST-MANIFEST" entry is found.
 446         boolean validEntry = false;




 406     /**
 407      * With a given header (*-DIGEST*), return a string that lists all the
 408      * algorithms associated with the header.
 409      * If there are none, return "Unknown Algorithm".
 410      */
 411     String getWeakAlgorithms(String header) {
 412         String w = "";
 413         try {
 414             for (String key : permittedAlgs.keySet()) {
 415                 if (key.endsWith(header)) {
 416                     w += key.substring(0, key.length() - header.length()) + " ";
 417                 }
 418             }
 419         } catch (RuntimeException e) {
 420             w = "Unknown Algorithm(s).  Error processing " + header + ".  " +
 421                     e.getMessage();
 422         }
 423 
 424         // This means we have an error in finding weak algorithms, run in
 425         // debug mode to see permittedAlgs map's values.
 426         if (w.isEmpty()) {
 427             return "Unknown Algorithm(s)";
 428         }
 429 
 430         return w;
 431     }
 432 
 433     /**
 434      * See if the whole manifest was signed.
 435      */
 436     private boolean verifyManifestHash(Manifest sf,
 437                                        ManifestDigester md,
 438                                        List<Object> manifestDigests)
 439          throws IOException, SignatureException
 440     {
 441         Attributes mattr = sf.getMainAttributes();
 442         boolean manifestSigned = false;
 443         // If only weak algorithms are used.
 444         boolean weakAlgs = true;
 445         // If a "*-DIGEST-MANIFEST" entry is found.
 446         boolean validEntry = false;


< prev index next >