SHA224_CTX
SHA224_CTX sha224;
void SHA224_Init(SHA224_CTX *);
void SHA224_Update(SHA224_CTX *, const void *, size_t);
SHA224_CTX *);
char *SHA224_End(SHA224_CTX *, char *);
SHA224_Init(SHA224_CTX * ctx)
SHA224_Update(SHA224_CTX * ctx, const void *in, size_t len)
SHA224_Final(unsigned char digest[static SHA224_DIGEST_LENGTH], SHA224_CTX *ctx)
SHA224_CTX ctx;
SHA224_CTX sha224ctx;
.ctxsize = sizeof(SHA224_CTX),
.ctxsize = sizeof(SHA224_CTX),