Sigma0 49 lib/crypto/sha256.c #define Sigma0(x) (ROTR(x,2) ^ ROTR(x,13) ^ ROTR(x,22)) Sigma0 48 source4/heimdal/lib/hcrypto/sha256.c #define Sigma0(x) (ROTR(x,2) ^ ROTR(x,13) ^ ROTR(x,22))