java.security.spec.DSAParameterSpec Java Examples
The following examples show how to use
java.security.spec.DSAParameterSpec.
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Example #1
Source File: DSAParameters.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 6 votes |
protected <T extends AlgorithmParameterSpec> T engineGetParameterSpec(Class<T> paramSpec) throws InvalidParameterSpecException { try { Class<?> dsaParamSpec = Class.forName ("java.security.spec.DSAParameterSpec"); if (dsaParamSpec.isAssignableFrom(paramSpec)) { return paramSpec.cast( new DSAParameterSpec(this.p, this.q, this.g)); } else { throw new InvalidParameterSpecException ("Inappropriate parameter Specification"); } } catch (ClassNotFoundException e) { throw new InvalidParameterSpecException ("Unsupported parameter specification: " + e.getMessage()); } }
Example #2
Source File: DSAPublicKey.java From jdk8u-jdk with GNU General Public License v2.0 | 6 votes |
/** * Returns the DSA parameters associated with this key, or null if the * parameters could not be parsed. */ public DSAParams getParams() { try { if (algid instanceof DSAParams) { return (DSAParams)algid; } else { DSAParameterSpec paramSpec; AlgorithmParameters algParams = algid.getParameters(); if (algParams == null) { return null; } paramSpec = algParams.getParameterSpec(DSAParameterSpec.class); return (DSAParams)paramSpec; } } catch (InvalidParameterSpecException e) { return null; } }
Example #3
Source File: DSAPrivateKey.java From hottub with GNU General Public License v2.0 | 6 votes |
/** * Returns the DSA parameters associated with this key, or null if the * parameters could not be parsed. */ public DSAParams getParams() { try { if (algid instanceof DSAParams) { return (DSAParams)algid; } else { DSAParameterSpec paramSpec; AlgorithmParameters algParams = algid.getParameters(); if (algParams == null) { return null; } paramSpec = algParams.getParameterSpec(DSAParameterSpec.class); return (DSAParams)paramSpec; } } catch (InvalidParameterSpecException e) { return null; } }
Example #4
Source File: DSAPublicKey.java From openjdk-8 with GNU General Public License v2.0 | 6 votes |
/** * Returns the DSA parameters associated with this key, or null if the * parameters could not be parsed. */ public DSAParams getParams() { try { if (algid instanceof DSAParams) { return (DSAParams)algid; } else { DSAParameterSpec paramSpec; AlgorithmParameters algParams = algid.getParameters(); if (algParams == null) { return null; } paramSpec = algParams.getParameterSpec(DSAParameterSpec.class); return (DSAParams)paramSpec; } } catch (InvalidParameterSpecException e) { return null; } }
Example #5
Source File: DSAPrivateKey.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 6 votes |
/** * Returns the DSA parameters associated with this key, or null if the * parameters could not be parsed. */ public DSAParams getParams() { try { if (algid instanceof DSAParams) { return (DSAParams)algid; } else { DSAParameterSpec paramSpec; AlgorithmParameters algParams = algid.getParameters(); if (algParams == null) { return null; } paramSpec = algParams.getParameterSpec(DSAParameterSpec.class); return (DSAParams)paramSpec; } } catch (InvalidParameterSpecException e) { return null; } }
Example #6
Source File: DSAPublicKey.java From jdk8u-jdk with GNU General Public License v2.0 | 6 votes |
/** * Returns the DSA parameters associated with this key, or null if the * parameters could not be parsed. */ public DSAParams getParams() { try { if (algid instanceof DSAParams) { return (DSAParams)algid; } else { DSAParameterSpec paramSpec; AlgorithmParameters algParams = algid.getParameters(); if (algParams == null) { return null; } paramSpec = algParams.getParameterSpec(DSAParameterSpec.class); return (DSAParams)paramSpec; } } catch (InvalidParameterSpecException e) { return null; } }
Example #7
Source File: DSAPublicKey.java From hottub with GNU General Public License v2.0 | 6 votes |
/** * Returns the DSA parameters associated with this key, or null if the * parameters could not be parsed. */ public DSAParams getParams() { try { if (algid instanceof DSAParams) { return (DSAParams)algid; } else { DSAParameterSpec paramSpec; AlgorithmParameters algParams = algid.getParameters(); if (algParams == null) { return null; } paramSpec = algParams.getParameterSpec(DSAParameterSpec.class); return (DSAParams)paramSpec; } } catch (InvalidParameterSpecException e) { return null; } }
Example #8
Source File: DSAPrivateKey.java From dragonwell8_jdk with GNU General Public License v2.0 | 6 votes |
/** * Returns the DSA parameters associated with this key, or null if the * parameters could not be parsed. */ public DSAParams getParams() { try { if (algid instanceof DSAParams) { return (DSAParams)algid; } else { DSAParameterSpec paramSpec; AlgorithmParameters algParams = algid.getParameters(); if (algParams == null) { return null; } paramSpec = algParams.getParameterSpec(DSAParameterSpec.class); return (DSAParams)paramSpec; } } catch (InvalidParameterSpecException e) { return null; } }
Example #9
Source File: DSAKeyPairGenerator.java From openjdk-8-source with GNU General Public License v2.0 | 6 votes |
/** * Generates a pair of keys usable by any JavaSecurity compliant * DSA implementation. */ public KeyPair generateKeyPair() { if (random == null) { random = JCAUtil.getSecureRandom(); } DSAParameterSpec spec; try { if (forceNewParameters) { // generate new parameters each time spec = ParameterCache.getNewDSAParameterSpec(plen, qlen, random); } else { if (params == null) { params = ParameterCache.getDSAParameterSpec(plen, qlen, random); } spec = params; } } catch (GeneralSecurityException e) { throw new ProviderException(e); } return generateKeyPair(spec.getP(), spec.getQ(), spec.getG(), random); }
Example #10
Source File: DSAParameters.java From TencentKona-8 with GNU General Public License v2.0 | 6 votes |
protected <T extends AlgorithmParameterSpec> T engineGetParameterSpec(Class<T> paramSpec) throws InvalidParameterSpecException { try { Class<?> dsaParamSpec = Class.forName ("java.security.spec.DSAParameterSpec"); if (dsaParamSpec.isAssignableFrom(paramSpec)) { return paramSpec.cast( new DSAParameterSpec(this.p, this.q, this.g)); } else { throw new InvalidParameterSpecException ("Inappropriate parameter Specification"); } } catch (ClassNotFoundException e) { throw new InvalidParameterSpecException ("Unsupported parameter specification: " + e.getMessage()); } }
Example #11
Source File: KeyPairGeneratorSpi.java From RipplePower with Apache License 2.0 | 6 votes |
public void initialize( AlgorithmParameterSpec params, SecureRandom random) throws InvalidAlgorithmParameterException { if (!(params instanceof DSAParameterSpec)) { throw new InvalidAlgorithmParameterException("parameter object not a DSAParameterSpec"); } DSAParameterSpec dsaParams = (DSAParameterSpec)params; param = new DSAKeyGenerationParameters(random, new DSAParameters(dsaParams.getP(), dsaParams.getQ(), dsaParams.getG())); engine.init(param); initialised = true; }
Example #12
Source File: TestAlgParameterGenerator.java From TencentKona-8 with GNU General Public License v2.0 | 6 votes |
private static void checkParamStrength(AlgorithmParameters param, DSAGenParameterSpec genParam) throws Exception { String algo = param.getAlgorithm(); if (!algo.equalsIgnoreCase("DSA")) { throw new RuntimeException("Unexpected type of parameters: " + algo); } DSAParameterSpec spec = param.getParameterSpec(DSAParameterSpec.class); int valueL = spec.getP().bitLength(); int strength = genParam.getPrimePLength(); if (strength != valueL) { System.out.println("P: Expected " + strength + " but actual " + valueL); throw new RuntimeException("Wrong P strength"); } int valueN = spec.getQ().bitLength(); strength = genParam.getSubprimeQLength(); if (strength != valueN) { System.out.println("Q: Expected " + strength + " but actual " + valueN); throw new RuntimeException("Wrong Q strength"); } }
Example #13
Source File: DSAPublicKey.java From jdk8u60 with GNU General Public License v2.0 | 6 votes |
/** * Returns the DSA parameters associated with this key, or null if the * parameters could not be parsed. */ public DSAParams getParams() { try { if (algid instanceof DSAParams) { return (DSAParams)algid; } else { DSAParameterSpec paramSpec; AlgorithmParameters algParams = algid.getParameters(); if (algParams == null) { return null; } paramSpec = algParams.getParameterSpec(DSAParameterSpec.class); return (DSAParams)paramSpec; } } catch (InvalidParameterSpecException e) { return null; } }
Example #14
Source File: DSAKeyPairGenerator.java From Bytecoder with Apache License 2.0 | 6 votes |
/** * Initializes the DSA key pair generator. If <code>genParams</code> * is false, a set of pre-computed parameters is used. */ @Override public void initialize(int modlen, boolean genParams, SecureRandom random) throws InvalidParameterException { if (genParams) { super.init(modlen, random, true); } else { DSAParameterSpec cachedParams = ParameterCache.getCachedDSAParameterSpec(modlen, getDefDSASubprimeSize(modlen)); if (cachedParams == null) { throw new InvalidParameterException ("No precomputed parameters for requested modulus" + " size available"); } super.init(cachedParams, random, false); } }
Example #15
Source File: DSAParameters.java From jdk8u60 with GNU General Public License v2.0 | 6 votes |
protected <T extends AlgorithmParameterSpec> T engineGetParameterSpec(Class<T> paramSpec) throws InvalidParameterSpecException { try { Class<?> dsaParamSpec = Class.forName ("java.security.spec.DSAParameterSpec"); if (dsaParamSpec.isAssignableFrom(paramSpec)) { return paramSpec.cast( new DSAParameterSpec(this.p, this.q, this.g)); } else { throw new InvalidParameterSpecException ("Inappropriate parameter Specification"); } } catch (ClassNotFoundException e) { throw new InvalidParameterSpecException ("Unsupported parameter specification: " + e.getMessage()); } }
Example #16
Source File: DSAPublicKey.java From dragonwell8_jdk with GNU General Public License v2.0 | 6 votes |
/** * Returns the DSA parameters associated with this key, or null if the * parameters could not be parsed. */ public DSAParams getParams() { try { if (algid instanceof DSAParams) { return (DSAParams)algid; } else { DSAParameterSpec paramSpec; AlgorithmParameters algParams = algid.getParameters(); if (algParams == null) { return null; } paramSpec = algParams.getParameterSpec(DSAParameterSpec.class); return (DSAParams)paramSpec; } } catch (InvalidParameterSpecException e) { return null; } }
Example #17
Source File: DSAParameters.java From Bytecoder with Apache License 2.0 | 6 votes |
protected <T extends AlgorithmParameterSpec> T engineGetParameterSpec(Class<T> paramSpec) throws InvalidParameterSpecException { try { Class<?> dsaParamSpec = Class.forName ("java.security.spec.DSAParameterSpec"); if (dsaParamSpec.isAssignableFrom(paramSpec)) { return paramSpec.cast( new DSAParameterSpec(this.p, this.q, this.g)); } else { throw new InvalidParameterSpecException ("Inappropriate parameter Specification"); } } catch (ClassNotFoundException e) { throw new InvalidParameterSpecException ("Unsupported parameter specification: " + e.getMessage()); } }
Example #18
Source File: DSAPublicKey.java From Bytecoder with Apache License 2.0 | 6 votes |
/** * Returns the DSA parameters associated with this key, or null if the * parameters could not be parsed. */ public DSAParams getParams() { try { if (algid instanceof DSAParams) { return (DSAParams)algid; } else { DSAParameterSpec paramSpec; AlgorithmParameters algParams = algid.getParameters(); if (algParams == null) { return null; } paramSpec = algParams.getParameterSpec(DSAParameterSpec.class); return (DSAParams)paramSpec; } } catch (InvalidParameterSpecException e) { return null; } }
Example #19
Source File: DSAPrivateKey.java From jdk8u60 with GNU General Public License v2.0 | 6 votes |
/** * Returns the DSA parameters associated with this key, or null if the * parameters could not be parsed. */ public DSAParams getParams() { try { if (algid instanceof DSAParams) { return (DSAParams)algid; } else { DSAParameterSpec paramSpec; AlgorithmParameters algParams = algid.getParameters(); if (algParams == null) { return null; } paramSpec = algParams.getParameterSpec(DSAParameterSpec.class); return (DSAParams)paramSpec; } } catch (InvalidParameterSpecException e) { return null; } }
Example #20
Source File: DSAPublicKey.java From openjdk-jdk8u with GNU General Public License v2.0 | 6 votes |
/** * Returns the DSA parameters associated with this key, or null if the * parameters could not be parsed. */ public DSAParams getParams() { try { if (algid instanceof DSAParams) { return (DSAParams)algid; } else { DSAParameterSpec paramSpec; AlgorithmParameters algParams = algid.getParameters(); if (algParams == null) { return null; } paramSpec = algParams.getParameterSpec(DSAParameterSpec.class); return (DSAParams)paramSpec; } } catch (InvalidParameterSpecException e) { return null; } }
Example #21
Source File: JDKDSAPublicKey.java From RipplePower with Apache License 2.0 | 6 votes |
JDKDSAPublicKey( SubjectPublicKeyInfo info) { ASN1Integer derY; try { derY = (ASN1Integer)info.parsePublicKey(); } catch (IOException e) { throw new IllegalArgumentException("invalid info structure in DSA public key"); } this.y = derY.getValue(); if (isNotNull(info.getAlgorithm().getParameters())) { DSAParameter params = DSAParameter.getInstance(info.getAlgorithm().getParameters()); this.dsaSpec = new DSAParameterSpec(params.getP(), params.getQ(), params.getG()); } }
Example #22
Source File: DSAPrivateKey.java From openjdk-8-source with GNU General Public License v2.0 | 6 votes |
/** * Returns the DSA parameters associated with this key, or null if the * parameters could not be parsed. */ public DSAParams getParams() { try { if (algid instanceof DSAParams) { return (DSAParams)algid; } else { DSAParameterSpec paramSpec; AlgorithmParameters algParams = algid.getParameters(); if (algParams == null) { return null; } paramSpec = algParams.getParameterSpec(DSAParameterSpec.class); return (DSAParams)paramSpec; } } catch (InvalidParameterSpecException e) { return null; } }
Example #23
Source File: KeyPairGeneratorSpi.java From ripple-lib-java with ISC License | 6 votes |
public void initialize( AlgorithmParameterSpec params, SecureRandom random) throws InvalidAlgorithmParameterException { if (!(params instanceof DSAParameterSpec)) { throw new InvalidAlgorithmParameterException("parameter object not a DSAParameterSpec"); } DSAParameterSpec dsaParams = (DSAParameterSpec)params; param = new DSAKeyGenerationParameters(random, new DSAParameters(dsaParams.getP(), dsaParams.getQ(), dsaParams.getG())); engine.init(param); initialised = true; }
Example #24
Source File: DSAPrivateKey.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 6 votes |
/** * Returns the DSA parameters associated with this key, or null if the * parameters could not be parsed. */ public DSAParams getParams() { try { if (algid instanceof DSAParams) { return (DSAParams)algid; } else { DSAParameterSpec paramSpec; AlgorithmParameters algParams = algid.getParameters(); if (algParams == null) { return null; } paramSpec = algParams.getParameterSpec(DSAParameterSpec.class); return (DSAParams)paramSpec; } } catch (InvalidParameterSpecException e) { return null; } }
Example #25
Source File: DSAKeyPairGenerator.java From openjdk-jdk8u with GNU General Public License v2.0 | 6 votes |
/** * Initializes the DSA key pair generator. If <code>genParams</code> * is false, a set of pre-computed parameters is used. */ @Override public void initialize(int modlen, boolean genParams, SecureRandom random) throws InvalidParameterException { if (genParams) { super.init(modlen, random, true); } else { DSAParameterSpec cachedParams = ParameterCache.getCachedDSAParameterSpec(modlen, getDefDSASubprimeSize(modlen)); if (cachedParams == null) { throw new InvalidParameterException ("No precomputed parameters for requested modulus" + " size available"); } super.init(cachedParams, random, false); } }
Example #26
Source File: DSAKeyPairGenerator.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 6 votes |
/** * Initializes the DSA key pair generator. If <code>genParams</code> * is false, a set of pre-computed parameters is used. */ @Override public void initialize(int modlen, boolean genParams, SecureRandom random) throws InvalidParameterException { if (genParams) { super.init(modlen, random, true); } else { DSAParameterSpec cachedParams = ParameterCache.getCachedDSAParameterSpec(modlen, getDefDSASubprimeSize(modlen)); if (cachedParams == null) { throw new InvalidParameterException ("No precomputed parameters for requested modulus" + " size available"); } super.init(cachedParams, random, false); } }
Example #27
Source File: DSAPrivateKey.java From openjdk-jdk8u with GNU General Public License v2.0 | 6 votes |
/** * Returns the DSA parameters associated with this key, or null if the * parameters could not be parsed. */ public DSAParams getParams() { try { if (algid instanceof DSAParams) { return (DSAParams)algid; } else { DSAParameterSpec paramSpec; AlgorithmParameters algParams = algid.getParameters(); if (algParams == null) { return null; } paramSpec = algParams.getParameterSpec(DSAParameterSpec.class); return (DSAParams)paramSpec; } } catch (InvalidParameterSpecException e) { return null; } }
Example #28
Source File: DSAPublicKey.java From jdk8u_jdk with GNU General Public License v2.0 | 6 votes |
/** * Returns the DSA parameters associated with this key, or null if the * parameters could not be parsed. */ public DSAParams getParams() { try { if (algid instanceof DSAParams) { return (DSAParams)algid; } else { DSAParameterSpec paramSpec; AlgorithmParameters algParams = algid.getParameters(); if (algParams == null) { return null; } paramSpec = algParams.getParameterSpec(DSAParameterSpec.class); return (DSAParams)paramSpec; } } catch (InvalidParameterSpecException e) { return null; } }
Example #29
Source File: DSAParameters.java From openjdk-8-source with GNU General Public License v2.0 | 6 votes |
protected <T extends AlgorithmParameterSpec> T engineGetParameterSpec(Class<T> paramSpec) throws InvalidParameterSpecException { try { Class<?> dsaParamSpec = Class.forName ("java.security.spec.DSAParameterSpec"); if (dsaParamSpec.isAssignableFrom(paramSpec)) { return paramSpec.cast( new DSAParameterSpec(this.p, this.q, this.g)); } else { throw new InvalidParameterSpecException ("Inappropriate parameter Specification"); } } catch (ClassNotFoundException e) { throw new InvalidParameterSpecException ("Unsupported parameter specification: " + e.getMessage()); } }
Example #30
Source File: DSAPublicKey.java From openjdk-8-source with GNU General Public License v2.0 | 6 votes |
/** * Returns the DSA parameters associated with this key, or null if the * parameters could not be parsed. */ public DSAParams getParams() { try { if (algid instanceof DSAParams) { return (DSAParams)algid; } else { DSAParameterSpec paramSpec; AlgorithmParameters algParams = algid.getParameters(); if (algParams == null) { return null; } paramSpec = algParams.getParameterSpec(DSAParameterSpec.class); return (DSAParams)paramSpec; } } catch (InvalidParameterSpecException e) { return null; } }