Another answer might lie in a little-noticed section of the legislation the White House has sent to Congress. It says that during civil cases or criminal prosecutions, the Feds can use decrypted evidence in court without revealing how they descrambled it. There are a few explanations. Encryption programs, like other software, can be buggy. If the Clinton crypto proposal became law, the codebreakers' knowledge could be used to decipher communications or introduce decrypted messages during a trial.
Most crypto products are insecure.
They have bugs. They have them all the time. Providing additional evidence for that view are Reno's comments on Thursday. When asked why she signed onto a deal that didn't seem to provide many obvious benefits to law enforcement, she had a ready response. Funding for codebreaking and uncovering security holes also gets a boost.