SHA1_MB_CTX
void sha1_multi_block(SHA1_MB_CTX *, const HASH_DESC *, int);
unsigned char storage[sizeof(SHA1_MB_CTX) + 32];
SHA1_MB_CTX *ctx;
ctx = (SHA1_MB_CTX *)(storage + 32 - ((size_t)storage % 32)); /* align */
void sha1_multi_block(SHA1_MB_CTX *, const HASH_DESC *, int);
unsigned char storage[sizeof(SHA1_MB_CTX) + 32];
SHA1_MB_CTX *mctx;
mctx = (SHA1_MB_CTX *)(storage + 32 - ((size_t)storage % 32)); /* align */