remove InvalidDecryption and replace with ValueError
more key length checks, docs update
document the OpenSSL versions we're testing against
Merge pull request #945 from reaperhulk/document-tested-ossl-versions

document the OpenSSL versions we're testing against
Merge pull request #888 from reaperhulk/rsa-decrypt

RSA PKCS1v15 Decryption Support
OpenSSL backend's CMAC implementation
CMAC primitive implementation
Added CMAC tests
Added CMAC docs
Added CMACBackend to MultiBackend
Updated CMAC documentation
Updated tests
Fixed pep8 error
Various fixes
Updated multibackend
Changed stub keys and ivs to use null bytes
Removed multibackend changes for another PR
Changed doctests to code-block
Fix pep8 errors
Added wikipedia link