R                 247 lib/sha1.c     #define R(A,B,C,D,E,F,K,M)  do { E += rol( A, 5 )     \
R                 329 lib/sha256.c   #define R(A,B,C,D,E,F,G,H,K,M)  do { t0 = SS0(A) + F2(A,B,C); \
R                 356 lib/sha512.c   #define R(A, B, C, D, E, F, G, H, K, M)                                   \