verify that encryptor/decryptor returns CipherContext compliant interface
verify that encryptor/decryptor returns CipherContext compliant interface

sholsapp/cryptography,sholsapp/cryptography,skeuomorf/cryptography,bwhmather/cryptography,Hasimir/cryptography,bwhmather/cryptography,kimvais/cryptography,dstufft/cryptography,dstufft/cryptography,Ayrx/cryptography,glyph/cryptography,sholsapp/cryptography,Lukasa/cryptography,Hasimir/cryptography,dstufft/cryptography,Lukasa/cryptography,Hasimir/cryptography,sholsapp/cryptography,Ayrx/cryptography,skeuomorf/cryptography,Ayrx/cryptography,glyph/cryptography,bwhmather/cryptography,kimvais/cryptography,bwhmather/cryptography,Lukasa/cryptography,skeuomorf/cryptography,Ayrx/cryptography,skeuomorf/cryptography,kimvais/cryptography,dstufft/cryptography,Hasimir/cryptography,dstufft/cryptography,kimvais/cryptography