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2014/10/16 ¤W¤È 08:12:18
android Programming Glossary: derivationHow to Customize the Layout (height and Width), and containership of layouts? http://stackoverflow.com/questions/10779802/how-to-customize-the-layout-height-and-width-and-containership-of-layouts
http://stackoverflow.com/questions/11418336/java-simplecrypto-class-for-encryption-decryption-producing-different-results It uses an instance of SecureRandom instead of a key derivation function KDF . Depending on the implementation the setSeed method.. KBKDF for instance HKDF in Bouncy Castle. Besides the key derivation there are encoding decoding issues with that sample code as..
Android resource selection layout- and values- inconsistencies http://stackoverflow.com/questions/12965002/android-resource-selection-layout-and-values-inconsistencies what you are thinking where did that layout large land derivation come from Read on... Background I am trialling an approach outlined..
Android 4.2 broke my AES encrypt/decrypt code http://stackoverflow.com/questions/13389870/android-4-2-broke-my-aes-encrypt-decrypt-code question WARNING This answer uses SecureRandom for key derivation which is contrary to its purpose. SecureRandom is a random number.. the problem in the question . The proper mechanism for key derivation is SecretKeyFactory . This nelenkov's blog post has a good write..
How to encrypt and decrypt file in Android? http://stackoverflow.com/questions/4275311/how-to-encrypt-and-decrypt-file-in-android to use a password please make sure you do use a good key derivation mechanism look up password based encryption or password based.. look up password based encryption or password based key derivation . For multiple files use an secure random IV. Always specify..
Encryption with AES-256 and the Initialization Vector http://stackoverflow.com/questions/4504280/encryption-with-aes-256-and-the-initialization-vector from a security standpoint I am kinda confused to the derivation and use of IVs as well I understand what they are used for just..
What are best practices for using AES encryption in Android? http://stackoverflow.com/questions/8622367/what-are-best-practices-for-using-aes-encryption-in-android For more information on salts and iteration counts in key derivation see section 4 in RFC2898 . The implementation in Java's PBE..
How to Customize the Layout (height and Width), and containership of layouts? http://stackoverflow.com/questions/10779802/how-to-customize-the-layout-height-and-width-and-containership-of-layouts
http://stackoverflow.com/questions/11418336/java-simplecrypto-class-for-encryption-decryption-producing-different-results 9 share improve this question The getRawKey method is flawed. It uses an instance of SecureRandom instead of a key derivation function KDF . Depending on the implementation the setSeed method will either add the seed to the current state or it will.. an implementation of a Key Based Key Derivation Function KBKDF for instance HKDF in Bouncy Castle. Besides the key derivation there are encoding decoding issues with that sample code as well. Don't use it it is a terrible example. share improve..
Android resource selection layout- and values- inconsistencies http://stackoverflow.com/questions/12965002/android-resource-selection-layout-and-values-inconsistencies under the layout large land configuration context. I know what you are thinking where did that layout large land derivation come from Read on... Background I am trialling an approach outlined here which would allow me to inspect the resources bucket..
Android 4.2 broke my AES encrypt/decrypt code http://stackoverflow.com/questions/13389870/android-4-2-broke-my-aes-encrypt-decrypt-code any workaround Thank you android aes share improve this question WARNING This answer uses SecureRandom for key derivation which is contrary to its purpose. SecureRandom is a random number generator and is not guaranteed to produce consistent.. consistent output between platforms which is what caused the problem in the question . The proper mechanism for key derivation is SecretKeyFactory . This nelenkov's blog post has a good write up on this issue. This answer provides a solution for cases..
How to encrypt and decrypt file in Android? http://stackoverflow.com/questions/4275311/how-to-encrypt-and-decrypt-file-in-android CBC PKCS5Padding for creating the Cipher class. If you want to use a password please make sure you do use a good key derivation mechanism look up password based encryption or password based key derivation . For multiple files use an secure random IV... please make sure you do use a good key derivation mechanism look up password based encryption or password based key derivation . For multiple files use an secure random IV. Always specify the character encoding when encoding decoding strings or you'll..
Encryption with AES-256 and the Initialization Vector http://stackoverflow.com/questions/4504280/encryption-with-aes-256-and-the-initialization-vector as the IV. Quite simply why the difference and which is better from a security standpoint I am kinda confused to the derivation and use of IVs as well I understand what they are used for just not the subtler differences so any clarification is also..
What are best practices for using AES encryption in Android? http://stackoverflow.com/questions/8622367/what-are-best-practices-for-using-aes-encryption-in-android number doesn't cause unreasonable delay it should be used. For more information on salts and iteration counts in key derivation see section 4 in RFC2898 . The implementation in Java's PBE however is flawed if the password contains Unicode characters..
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