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AES_RROUND macro
Syntax
#define AES_RROUND(X0, X1, X2, X3, Y0, Y1, Y2, Y3) \
do \
{ \
(X0) = *RK++ ^ AES_RT0(MBEDTLS_BYTE_0(Y0)) ^ \
AES_RT1(MBEDTLS_BYTE_1(Y3)) ^ \
AES_RT2(MBEDTLS_BYTE_2(Y2)) ^ \
AES_RT3(MBEDTLS_BYTE_3(Y1)); \
\
(X1) = *RK++ ^ AES_RT0(MBEDTLS_BYTE_0(Y1)) ^ \
AES_RT1(MBEDTLS_BYTE_1(Y0)) ^ \
AES_RT2(MBEDTLS_BYTE_2(Y3)) ^ \
AES_RT3(MBEDTLS_BYTE_3(Y2)); \
\
(X2) = *RK++ ^ AES_RT0(MBEDTLS_BYTE_0(Y2)) ^ \
AES_RT1(MBEDTLS_BYTE_1(Y1)) ^ \
AES_RT2(MBEDTLS_BYTE_2(Y0)) ^ \
AES_RT3(MBEDTLS_BYTE_3(Y3)); \
\
(X3) = *RK++ ^ AES_RT0(MBEDTLS_BYTE_0(Y3)) ^ \
AES_RT1(MBEDTLS_BYTE_1(Y2)) ^ \
AES_RT2(MBEDTLS_BYTE_2(Y1)) ^ \
AES_RT3(MBEDTLS_BYTE_3(Y0)); \
} while (0)