java Programming Glossary: cipher.init

http://stackoverflow.com/questions/1205135/how-to-encrypt-string-in-java

DES CBC PKCS5Padding Encryption would go like this cipher.init Cipher.ENCRYPT_MODE key ivSpec byte encrypted new byte cipher.getOutputSize.. cipher.doFinal encrypted enc_len And decryption like this cipher.init Cipher.DECRYPT_MODE key ivSpec byte decrypted new byte cipher.getOutputSize..

AES gets different results in iOS and Java

http://stackoverflow.com/questions/17535918/aes-gets-different-results-in-ios-and-java

ivSpec new IvParameterSpec IV System.out.println ivSpec cipher.init Cipher.ENCRYPT_MODE keySpec ivSpec byte results cipher.doFinal.. safe Cipher cipher Cipher.getInstance AES CBC PKCS7Padding cipher.init Cipher.ENCRYPT_MODE skeySpec ivParameterSpec String encrypedValue.. safe Cipher cipher Cipher.getInstance AES CBC PKCS7Padding cipher.init Cipher.DECRYPT_MODE key ivParameterSpec byte decrypedValueBytes..

How do I use 3des encryption/decryption in Java?

http://stackoverflow.com/questions/20227/how-do-i-use-3des-encryption-decryption-in-java

Cipher cipher Cipher.getInstance DESede CBC PKCS5Padding cipher.init Cipher.ENCRYPT_MODE key iv final byte plainTextBytes message.getBytes.. decipher Cipher.getInstance DESede CBC PKCS5Padding decipher.init Cipher.DECRYPT_MODE key iv final byte encData new sun.misc.BASE64Decoder.. Cipher cipher Cipher.getInstance DESede CBC PKCS5Padding cipher.init Cipher.ENCRYPT_MODE key iv final byte plainTextBytes message.getBytes..

Too much data for RSA block fail. What is PKCS#7?

http://stackoverflow.com/questions/2579103/too-much-data-for-rsa-block-fail-what-is-pkcs7

keyFactory.generatePrivate privKeySpec encryption step cipher.init Cipher.ENCRYPT_MODE pubKey byte cipherText cipher.doFinal input.. byte cipherText cipher.doFinal input decryption step cipher.init Cipher.DECRYPT_MODE privKey byte plainText cipher.doFinal cipherText..

Android encryption

http://stackoverflow.com/questions/3150830/android-encryption

BC System.out.println new String input encryption pass cipher.init Cipher.ENCRYPT_MODE key byte cipherText new byte cipher.getOutputSize.. cipherText System.out.println ctLength decryption pass cipher.init Cipher.DECRYPT_MODE key byte plainText new byte cipher.getOutputSize..

InvalidKeyException Illegal key size

http://stackoverflow.com/questions/3862800/invalidkeyexception-illegal-key-size

Cipher cipher Cipher.getInstance AES CBC PKCS7Padding BC cipher.init Cipher.ENCRYPT_MODE secret new IvParameterSpec VECTOR_SECRET_KEY.getBytes..

BouncyCastle AES error when upgrading to 1.45

http://stackoverflow.com/questions/4405334/bouncycastle-aes-error-when-upgrading-to-1-45

SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.DECRYPT_MODE skeySpec byte decrypted cipher.doFinal encrypted..

how can I convert String to SecretKey

http://stackoverflow.com/questions/4551263/how-can-i-convert-string-to-secretkey

the cipher Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec System.out.println msg is message.. ivData final IvParameterSpec iv new IvParameterSpec ivData cipher.init Cipher.ENCRYPT_MODE symKey iv final byte encryptedMessage cipher.doFinal.. blockSize encryptedMessage 0 encryptedMessage.length cipher.init Cipher.DECRYPT_MODE symKey iv final byte encodedMessage cipher.doFinal..

AES Encryption in Java and Decryption in C#

http://stackoverflow.com/questions/5295110/aes-encryption-in-java-and-decryption-in-c-sharp

final javax.crypto.Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE keySpec byte encryptedValue cipher.doFinal..

Java 256-bit AES Password-Based Encryption

http://stackoverflow.com/questions/992019/java-256-bit-aes-password-based-encryption

AES Cipher cipher Cipher.getInstance AES CBC PKCS7Padding cipher.init Cipher.ENCRYPT_MODE keySpec output cipher.doFinal input The.. Cipher cipher Cipher.getInstance AES CBC PKCS5Padding cipher.init Cipher.ENCRYPT_MODE secret AlgorithmParameters params cipher.getParameters.. Cipher cipher Cipher.getInstance AES CBC PKCS5Padding cipher.init Cipher.DECRYPT_MODE secret new IvParameterSpec iv String plaintext..