sha512_ctx
#define SHA512_CTX(desc) ((struct sha512_ctx *)shash_desc_ctx(desc))
.descsize = sizeof(struct sha512_ctx),
struct sha512_ctx sha_ctx;
struct sha512_ctx sha_ctx;
struct sha512_ctx sha512;
void sha512_init(struct sha512_ctx *ctx);
static inline void sha512_update(struct sha512_ctx *ctx,
void sha512_final(struct sha512_ctx *ctx, u8 out[at_least SHA512_DIGEST_SIZE]);
void sha512_init(struct sha512_ctx *ctx)
void sha512_final(struct sha512_ctx *ctx, u8 out[SHA512_DIGEST_SIZE])
struct sha512_ctx ctx;
#define HASH_CTX sha512_ctx