Package org.apache.poi

Examples of org.apache.poi.EncryptedDocumentException

318
319
320
321
322
323
324
325
            os.write(buf);
            if (buf.length%4==2) {
                os.writeShort(0);
            }
        } catch (UnsupportedEncodingException e) {
            throw new EncryptedDocumentException(e);
        }
    }
View Full Code Here
347
348
349
350
351
352
353
354
            }
        }
        try {
            return new String(data, 0, data.length, "UTF-8");
        } catch (UnsupportedEncodingException e) {
            throw new EncryptedDocumentException(e);
        }
    }
View Full Code Here
367
368
369
370
371
372
373
374
375
                    for (int i=0; i<(4-scratchBytes); i++) {
                        os.writeByte(0);
                    }
                }
            } catch (UnsupportedEncodingException e) {
                throw new EncryptedDocumentException(e);
            }
        }       
    }
View Full Code Here
72
73
74
75
76
77
78
79
                return true;
            } else {
                return false;
            }
        } catch (GeneralSecurityException e) {
            throw new EncryptedDocumentException(e);
        }
    }
View Full Code Here
110
111
112
113
114
115
116
117
        try {
            MessageDigest sha1 = MessageDigest.getInstance("SHA-1");
            return sha1.digest(buff);
        } catch (NoSuchAlgorithmException e) {
            throw new EncryptedDocumentException("hash algo not supported", e);
        }
    }
View Full Code Here
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
    public AgileEncryptionVerifier(String descriptor) {
        EncryptionDocument ed;
        try {
            ed = EncryptionDocument.Factory.parse(descriptor);
        } catch (XmlException e) {
            throw new EncryptedDocumentException("Unable to parse encryption descriptor", e);
        }

        Iterator<CTKeyEncryptor> encList = ed.getEncryption().getKeyEncryptors().getKeyEncryptorList().iterator();
        CTPasswordKeyEncryptor keyData;
        try {
            keyData = encList.next().getEncryptedPasswordKey();
            if (keyData == null) {
                throw new NullPointerException("encryptedKey not set");
            }
        } catch (Exception e) {
            throw new EncryptedDocumentException("Unable to parse keyData", e);
        }
       
        int keyBits = (int)keyData.getKeyBits();
       
        CipherAlgorithm ca = CipherAlgorithm.fromXmlId(keyData.getCipherAlgorithm().toString(), keyBits);
        setCipherAlgorithm(ca);

        int hashSize = keyData.getHashSize();

        HashAlgorithm ha = HashAlgorithm.fromEcmaId(keyData.getHashAlgorithm().toString());
        setHashAlgorithm(ha);

        if (getHashAlgorithm().hashSize != hashSize) {
            throw new EncryptedDocumentException("Unsupported hash algorithm: " +
                    keyData.getHashAlgorithm() + " @ " + hashSize + " bytes");
        }

        setSpinCount(keyData.getSpinCount());
        setEncryptedVerifier(keyData.getEncryptedVerifierHashInput());
        setSalt(keyData.getSaltValue());
        setEncryptedKey(keyData.getEncryptedKeyValue());
        setEncryptedVerifierHash(keyData.getEncryptedVerifierHashValue());

        int saltSize = keyData.getSaltSize();
        if (saltSize != getSalt().length)
            throw new EncryptedDocumentException("Invalid salt size");
       
        switch (keyData.getCipherChaining().intValue()) {
            case STCipherChaining.INT_CHAINING_MODE_CBC:
                setChainingMode(ChainingMode.cbc);
                break;
            case STCipherChaining.INT_CHAINING_MODE_CFB:
                setChainingMode(ChainingMode.cfb);
                break;
            default:
                throw new EncryptedDocumentException("Unsupported chaining mode - "+keyData.getCipherChaining().toString());
        }
       
        if (!encList.hasNext()) return;
       
        try {
            CertificateFactory cf = CertificateFactory.getInstance("X.509");
            while (encList.hasNext()) {
                CTCertificateKeyEncryptor certKey = encList.next().getEncryptedCertificateKey();
                AgileCertificateEntry ace = new AgileCertificateEntry();
                ace.certVerifier = certKey.getCertVerifier();
                ace.encryptedKey = certKey.getEncryptedKeyValue();
                ace.x509 = (X509Certificate)cf.generateCertificate(new ByteArrayInputStream(certKey.getX509Certificate()));
                certList.add(ace);
            }
        } catch (GeneralSecurityException e) {
            throw new EncryptedDocumentException("can't parse X509 certificate", e);
        }
    }
View Full Code Here
130
131
132
133
134
135
136
137
138
        setSpinCount(100000); // TODO: use parameter
    }
   
    protected void setSalt(byte salt[]) {
        if (salt == null || salt.length != getCipherAlgorithm().blockSize) {
            throw new EncryptedDocumentException("invalid verifier salt");
        }
        super.setSalt(salt);
    }
View Full Code Here
84
85
86
87
88
89
90
91
      }
     
        try {
            _rc4.update(data, offset, bytesToRead, data, offset);
        } catch (ShortBufferException e) {
            throw new EncryptedDocumentException("input buffer too small", e);
        }
  }
View Full Code Here
75
76
77
78
79
80
81
82
83
84
85
        try {
            rc4.update(verifierPrime, 0, verifierPrime.length, verifierPrime);
            rc4.update(verifierHashPrime, 0, verifierHashPrime.length, verifierHashPrime);
        } catch (ShortBufferException e) {
            throw new EncryptedDocumentException("buffer too short", e);
        }

        MessageDigest md5 = CryptoFunctions.getMessageDigest(HashAlgorithm.md5);
        md5.update(verifierPrime);
        byte[] finalVerifierResult = md5.digest();
View Full Code Here
132
133
134
135
136
137
138
139
        SecretKeySpec skeySpec = new SecretKeySpec(md5.digest(), _secretKey.getAlgorithm());
        try {
            rc4.init(Cipher.ENCRYPT_MODE, skeySpec);
        } catch (GeneralSecurityException e) {
            throw new EncryptedDocumentException("Can't rekey for next block", e);
        }
    }
View Full Code Here
TOP

Related Classes of org.apache.poi.EncryptedDocumentException

  • org.apache.poi.hssf.record.crypto.Biff8DecryptingStream
  • org.apache.poi.hssf.record.crypto.Biff8EncryptionKey
  • org.apache.poi.hssf.record.crypto.Biff8RC4
  • org.apache.poi.hssf.record.crypto.Biff8RC4Key
  • org.apache.poi.hssf.record.FilePassRecord
  • org.apache.poi.hssf.record.FilePassRecord$Rc4KeyData
  • org.apache.poi.hssf.record.RecordFactoryInputStream$StreamEncryptionInfo
  • org.apache.poi.hssf.usermodel.HSSFWorkbook
  • org.apache.poi.hwpf.HWPFDocument
  • org.apache.poi.hwpf.HWPFDocumentCore
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.