Use backend as keyword even when copying hmacs.
Use backend as keyword even when copying hmacs.

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