The current PRISM issue doesn't seem to touch upon encryption much: the companies processing the data have apparently surrendered it to NSA in decrypted form. T

The current PRISM issue doesn't seem to touch upon encryption much: the companies processing the data have apparently surrendered it to NSA in decrypted form. To use the common example, what good is it for Alice to know that her messages with Bob are encrypted en route to/from Carol (their e-mail provider), when Carol will give the unencrypted messages to Mallory anyway? And to touch upon your question, I don't think NSA would truthfully pass out this type of information even if it was forced to; so essentially "nobody knows." (Also, "the CA mess" is also a workable vector for decrypting live connections regardless of encryption strength, see "Etilasat")