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java Programming Glossary: keyspec

AES gets different results in iOS and Java

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

len 16 System.arraycopy b 0 keyBytes 0 len SecretKeySpec keySpec new SecretKeySpec keyBytes AES IvParameterSpec ivSpec new IvParameterSpec.. System.out.println ivSpec cipher.init Cipher.ENCRYPT_MODE keySpec ivSpec byte results cipher.doFinal text.getBytes UTF 8 String.. NoTextGivenException Please give text try SecretKeySpec skeySpec getKey password byte clearText text.getBytes UTF8 IMPORTANT..

How can I make my AES encryption identical between Java and Objective-C (iPhone)?

http://stackoverflow.com/questions/2280375/how-can-i-make-my-aes-encryption-identical-between-java-and-objective-c-iphone

byte keyBytes key.getBytes SecretKeySpec keySpec new SecretKeySpec keyBytes AES try Cipher cipher Cipher.getInstance.. AES ECB PKCS7Padding BC cipher.init Cipher.ENCRYPT_MODE keySpec encrypted new byte cipher.getOutputSize data.length int ctLength..

How to generate an HMAC in Java equivalent to a Python example?

http://stackoverflow.com/questions/3208160/how-to-generate-an-hmac-in-java-equivalent-to-a-python-example

seems to be the algorithm name you need SecretKeySpec keySpec new SecretKeySpec qnscAdgRlkIhAUPY44oiexBKtQbGY0orf7OV1I50 .getBytes.. HmacSHA1 Mac mac Mac.getInstance HmacSHA1 mac.init keySpec byte result mac.doFinal foo .getBytes BASE64Encoder encoder..

How to encrypt and decrypt data in Java? [closed]

http://stackoverflow.com/questions/4319496/how-to-encrypt-and-decrypt-data-in-java

RSA byte publicKeyBytes publicKey.getEncoded KeySpec keySpec new X509EncodedKeySpec publicKeyBytes PublicKey keyFromBytes..

AES Encryption in Java and Decryption in C#

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

key abcd #Axd G pxP final javax.crypto.spec.SecretKeySpec keySpec new SecretKeySpec key.getBytes AES final javax.crypto.Cipher.. Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE keySpec byte encryptedValue cipher.doFinal input.getBytes return new..

Getting RSA private key from PEM BASE64 Encoded private key file

http://stackoverflow.com/questions/7216969/getting-rsa-private-key-from-pem-base64-encoded-private-key-file

decode the encoded RSA private key PKCS8EncodedKeySpec keySpec new PKCS8EncodedKeySpec encoded KeyFactory kf KeyFactory.getInstance.. RSA PrivateKey privKey kf.generatePrivate keySpec Display the results System.out.println privKey share improve..

Java 256-bit AES Password-Based Encryption

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

TODO byte input null TODO byte output null SecretKeySpec keySpec null keySpec new SecretKeySpec key AES Cipher cipher Cipher.getInstance.. null TODO byte output null SecretKeySpec keySpec null keySpec new SecretKeySpec key AES Cipher cipher Cipher.getInstance AES.. AES CBC PKCS7Padding cipher.init Cipher.ENCRYPT_MODE keySpec output cipher.doFinal input The TODO bits you need to do yourself..

Password Verification with PBKDF2 in Java

http://stackoverflow.com/questions/2375541/password-verification-with-pbkdf2-in-java

f SecretKeyFactory.getInstance PBKDF2WithHmacSHA1 KeySpec ks new PBEKeySpec password salt 1024 128 SecretKey s f.generateSecret.. PBKDF2WithHmacSHA1 KeySpec ks new PBEKeySpec password salt 1024 128 SecretKey s f.generateSecret ks Key k.. 1024 128 SecretKey s f.generateSecret ks Key k new SecretKeySpec s.getEncoded AES I share the salt the user enters their password..

Suggestions for library to hash passwords in Java

http://stackoverflow.com/questions/2860943/suggestions-for-library-to-hash-passwords-in-java

hashing. byte salt new byte 16 random.nextBytes salt KeySpec spec new PBEKeySpec password .toCharArray salt 65536 128 SecretKeyFactory.. salt new byte 16 random.nextBytes salt KeySpec spec new PBEKeySpec password .toCharArray salt 65536 128 SecretKeyFactory f SecretKeyFactory.getInstance..

How to Load RSA Private Key From File

http://stackoverflow.com/questions/3243018/how-to-load-rsa-private-key-from-file

bis.close KeyFactory keyFactory KeyFactory.getInstance RSA KeySpec ks new PKCS8EncodedKeySpec privKeyBytes RSAPrivateKey privKey.. KeyFactory.getInstance RSA KeySpec ks new PKCS8EncodedKeySpec privKeyBytes RSAPrivateKey privKey RSAPrivateKey keyFactory.generatePrivate.. see the following in the console java.security.spec.InvalidKeySpecException java.security.InvalidKeyException invalid key format..

Java passphrase encryption

http://stackoverflow.com/questions/372268/java-passphrase-encryption

algorithms may require different implementations of the KeySpec class so I'm not sure what algorithms can use the PBEKeySpec.. class so I'm not sure what algorithms can use the PBEKeySpec class I'm looking at. Furthermore the examples all seem a little..

How to encrypt and decrypt data in Java? [closed]

http://stackoverflow.com/questions/4319496/how-to-encrypt-and-decrypt-data-in-java

cipher should be an instance of javax.crypto.spec.SecretKeySpec . AES in particular requires its key to be created with exactly.. SHA digest.update passphrase.getBytes SecretKeySpec key new SecretKeySpec digest.digest 0 16 AES A better way to.. passphrase.getBytes SecretKeySpec key new SecretKeySpec digest.digest 0 16 AES A better way to create a key is with..

PBKDF2 with bouncycastle in Java

http://stackoverflow.com/questions/8674018/pbkdf2-with-bouncycastle-in-java

factory SecretKeyFactory.getInstance PBKDF2WithHmacSHA1 KeySpec keyspec new PBEKeySpec password .toCharArray salt 1000 128 Key.. PBKDF2WithHmacSHA1 KeySpec keyspec new PBEKeySpec password .toCharArray salt 1000 128 Key key factory.generateSecret.. factorybc SecretKeyFactory.getInstance PBEWITHHMACSHA1 BC KeySpec keyspecbc new PBEKeySpec password .toCharArray salt 1000 128..

Java 256-bit AES Password-Based Encryption

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

key null TODO byte input null TODO byte output null SecretKeySpec keySpec null keySpec new SecretKeySpec key AES Cipher cipher.. output null SecretKeySpec keySpec null keySpec new SecretKeySpec key AES Cipher cipher Cipher.getInstance AES CBC PKCS7Padding.. factory SecretKeyFactory.getInstance PBKDF2WithHmacSHA1 KeySpec spec new PBEKeySpec password salt 65536 256 SecretKey tmp factory.generateSecret..