diff options
Diffstat (limited to 'libraries/spongycastle/core/src/main/jdk1.1/java/security/SecurityUtil.java')
-rw-r--r-- | libraries/spongycastle/core/src/main/jdk1.1/java/security/SecurityUtil.java | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/libraries/spongycastle/core/src/main/jdk1.1/java/security/SecurityUtil.java b/libraries/spongycastle/core/src/main/jdk1.1/java/security/SecurityUtil.java deleted file mode 100644 index 13c313cf6..000000000 --- a/libraries/spongycastle/core/src/main/jdk1.1/java/security/SecurityUtil.java +++ /dev/null @@ -1,114 +0,0 @@ -package java.security; - - -class SecurityUtil -{ - static class Implementation - { - Object engine; - Provider provider; - - Implementation( - Object engine, - Provider provider) - { - this.engine = engine; - this.provider = provider; - } - - Object getEngine() - { - return engine; - } - - Provider getProvider() - { - return provider; - } - } - - /** - * see if we can find an algorithm (or its alias and what it represents) in - * the property table for the given provider. - * - * @return null if no algorithm found, an Implementation if it is. - */ - static private Implementation getImplementation( - String baseName, - String algorithm, - Provider prov) - { - String alias; - - while ((alias = prov.getProperty("Alg.Alias." + baseName + "." + algorithm)) != null) - { - algorithm = alias; - } - - String className = prov.getProperty(baseName + "." + algorithm); - - if (className != null) - { - try - { - return new Implementation(Class.forName(className).newInstance(), prov); - } - catch (ClassNotFoundException e) - { - throw new IllegalStateException( - "algorithm " + algorithm + " in provider " + prov.getName() + " but no class found!"); - } - catch (Exception e) - { - throw new IllegalStateException( - "algorithm " + algorithm + " in provider " + prov.getName() + " but class inaccessible!"); - } - } - - return null; - } - - /** - * return an implementation for a given algorithm/provider. - * If the provider is null, we grab the first avalaible who has the required algorithm. - * - * @return null if no algorithm found, an Implementation if it is. - * @exception NoSuchProviderException if a provider is specified and not found. - */ - static Implementation getImplementation( - String baseName, - String algorithm, - String provider) - throws NoSuchProviderException - { - if (provider == null) - { - Provider[] prov = Security.getProviders(); - - // - // search every provider looking for the algorithm we want. - // - for (int i = 0; i != prov.length; i++) - { - Implementation imp = getImplementation(baseName, algorithm, prov[i]); - if (imp != null) - { - return imp; - } - } - } - else - { - Provider prov = Security.getProvider(provider); - - if (prov == null) - { - throw new NoSuchProviderException("Provider " + provider + " not found"); - } - - return getImplementation(baseName, algorithm, prov); - } - - return null; - } -} |