[Ssc-dev] APG for public key crypto

[Shawn Van Every]

Fantastic!  Adding this to the wiki now.  We can start building it in right away.

On Feb 1, 2011, at 3:39 PM, Nathan Freitas wrote:

> Good news - Android Privacy Guard (APG) has all the tools we need for
> signing and encrypting data from SSC. I assumed so because this is
> already being done with K9Mail, but I hadn't found this specific
> documentation until now.
> 
> http://code.google.com/p/android-privacy-guard/wiki/UsingApgForDevelopment
> 
> Intents
> Apg.Intent.ENCRYPT_AND_RETURN
> 
> Encrypt data and return the result.
> 
> Intent.getData() (Uri), Apg.EXTRA_DATA (byte), Apg.EXTRA_TEXT (String) -
> data source
> Apg.EXTRA_ASCII_ARMOUR (boolean) - use ASCII armour
> true: if EXTRA_DATA or EXTRA_TEXT were used, then the data is returned
> with Apg.EXTRA_ENCRYPTED_TEXT
> false: EXTRA_DATA or EXTRA_TEXT were used, then the data is returned
> with Apg.EXTRA_ENCRYPTED_DATA
> Apg.EXTRA_ENCRYPTION_KEY_IDS (long) - the list of encryption keys
> Apg.EXTRA_SIGNATURE_KEY_ID (long) - the signature key
> returns Apg.EXTRA_ENCRYPTED_DATA (byte) or Apg.EXTRA_ENCRYPTED_TEXT (String)
> Apg.Intent.DECRYPT_AND_RETURN
> 
> 
> Decrypt data and return the result.
> Intent.getData() (Uri), Apg.EXTRA_DATA (byte), Apg.EXTRA_TEXT (String) -
> data source
> Apg.EXTRA_BINARY (boolean) - return the decrypted data as byte array
> true: the data is returned with Apg.EXTRA_DECRYPTED_DATA
> false: the data is returned with Apg.EXTRA_DECRYPTED_TEXT
> returns Apg.EXTRA_DECRYPTED_DATA (byte) or Apg.EXTRA_DECRYPTED_TEXT (String)
> if signed:
> returns Apg.EXTRA_SIGNATURE_KEY_ID (long) - the signature key ID
> returns Apg.EXTRA_SIGNATURE_USER_ID (String) - the user ID of the signature
> returns Apg.EXTRA_SIGNATURE_SUCCESS (boolean) - signature is correct
> returns Apg.EXTRA_SIGNATURE_UNKNOWN (boolean) - signature is unknown
> Apg.Intent.SELECT_SECRET_KEY
> 
> Select a secret key from the list and return its ID.
> result returned in Apg.EXTRA_SECRET_KEY (long)
> Apg.Intent.SELECT_PUBLIC_KEYS
> 
> Select some public keys from the list and return their IDs.
> Apg.EXTRA_SELECTION (long) - pass a list of IDs for keys that are
> selected already
> result returned in Apg.EXTRA_SELECTION (long)
> 
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Shawn Van Every
vanevery at walking-productions.com
Mobile and Streaming Consulting
http://www.walking-productions.com/notslop