blake2b_xform_ctx
CTASSERT(sizeof(union authctx) >= sizeof(struct blake2b_xform_ctx));
struct blake2b_xform_ctx *ctx = vctx;
struct blake2b_xform_ctx *ctx = vctx;
struct blake2b_xform_ctx *ctx = vctx;
struct blake2b_xform_ctx *ctx = vctx;
.ctxsize = sizeof(struct blake2b_xform_ctx),