Re: [android-developers] hash functions

On Tue, May 10, 2011 at 2:52 PM, pasamblue1 <parulchahar@gmail.com> wrote:
> I am developing an android application for encryption decryption of
> messages. I need some hash algorithm to generate key from password. I
> am using SHA1 for the same. Not sure if it is good to use it for
> security reasons. Is there any other algorithm to be used as hash
> function.
>

Search for 'password based encryption'. There are standard algorithms to
derive a key from a password securely. For Java, you might want to use
'PBKDF2WithHmacSHA1' or some equivalent available on Android.

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