e0                 83 crypto/sha512_generic.c #define e0(x)       (ror64(x,28) ^ ror64(x,34) ^ ror64(x,39))
e0                 31 lib/crypto/sha256.c #define e0(x)       (ror32(x, 2) ^ ror32(x, 13) ^ ror32(x, 22))