progress on AES-GCM with AF_ALG and add SHA256
add aes-gcm test cases and finish logic of aes-gcm with AF_ALG
formating of tabs and white space
add files to dist
adding ecb and ctr mode with af_alg
make length of buffers for ctr be AES_BLOCK_SIZE
formating and add support for sha256 copy/gethash
sanity checks on arguments
cast return values and valgrind tests
make it easier to use sha256 with af_alg
remove hard tabs
add endif for after rebase
cb756397b3