android - Need to store my 4 digit encrypted PIN in keystore -

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i googled store pin in key store. got confused of solution. here question :-

i have encrypted pin (string).

how store in keystore , retrieve it. know shared preference , local storage. heard key store more secure.

so question how store string in keystore , retrieve it.

the android keystore system lets store cryptographic keys in container make more difficult extract device. once keys in keystore, can used cryptographic operations key material remaining non-exportable. moreover, offers facilities restrict when , how keys can used, such requiring user authentication key use or restricting keys used in cryptographic modes. see security features section more information.

the keystore system used keychain api android keystore provider feature introduced in android 4.3 (api level 18). document goes on when , how use android keystore provider.

here have data need how right!

click here

hope it's :)


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