R 139 srclib/apr/random/unix/sha2.c #define sigma0_256(x) (S32(7, (x)) ^ S32(18, (x)) ^ R(3 , (x))) R 140 srclib/apr/random/unix/sha2.c #define sigma1_256(x) (S32(17, (x)) ^ S32(19, (x)) ^ R(10, (x))) R 145 srclib/apr/random/unix/sha2.c #define sigma0_512(x) (S64( 1, (x)) ^ S64( 8, (x)) ^ R( 7, (x))) R 146 srclib/apr/random/unix/sha2.c #define sigma1_512(x) (S64(19, (x)) ^ S64(61, (x)) ^ R( 6, (x)))