#if !defined sha1edp_h #define sha1edp_h /* This file is included in sha1edpLittleEndian.s and sha1edpBigEndian.s to define the symbols below for use in assembly code. It is also included in sha1_locl.h and compiled in C to test that the hard-coded values here match the values used in C. CC_SHA1_BLOCK_BYTES is defined in another header, so an error will be generated if its definition here conflicts. The other symbols are tested below, with the CheckAssertion definition. */ // Number of bytes in a SHA-1 block. #define CC_SHA1_BLOCK_BYTES 64 // Offset of h0 to h4 members in SHA-1 context structure. #define Contexth0 (0*4) #define Contexth1 (1*4) #define Contexth2 (2*4) #define Contexth3 (3*4) #define Contexth4 (4*4) #if !defined __ASSEMBLER__ #include <stddef.h> // Get offsetof macro. /* Declare CheckAssertion so that if any of the declarations below differ from it, the compiler will report an error. */ extern char CheckAssertion[1]; /* Ensure that Contexth0 through Contexth4 are the byte offsets of the h0 through h4 members of the SHA-1 context structure. */ extern char CheckAssertion[Contexth0 == offsetof(SHA_CTX, h0)]; extern char CheckAssertion[Contexth1 == offsetof(SHA_CTX, h1)]; extern char CheckAssertion[Contexth2 == offsetof(SHA_CTX, h2)]; extern char CheckAssertion[Contexth3 == offsetof(SHA_CTX, h3)]; extern char CheckAssertion[Contexth4 == offsetof(SHA_CTX, h4)]; /* If these assertions fail, change the definitions of Contexth0 to Contexth4 to match the offsets of the members. */ #endif // !defined __ASSEMBLER__ #endif // !defined sha1edp_h