Alex Klyubin 4ecd092226 Support more KeySpecs in Android Keystore KeyFactory.
This adds support obtaining RSAPublicKeySpec, ECPublicKeySpec,
X509EncodedKeySpec from Android Keystore public keys.

Using a KeyFactory to obtain such specs is the endorsed way for
obtaining algorithm-specific parameters or X.509 encoding of PublicKey
instances.

Bug: 18088752
Change-Id: I2c653238e3c89d9cfc97bea6c8a0ef0c6d039385
2015-06-18 14:18:18 -07:00
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