ctr64_inc
ctr64_inc(gctx->iv + gctx->ivlen - 8);
ctr64_inc(gctx->iv + gctx->ivlen - 8);
static void ctr64_inc(unsigned char *counter)
ctr64_inc(gctx->iv + gctx->ivlen - 8);
ctr64_inc(ctx->nonce.c);
ctr64_inc(ctx->nonce.c);
ctr64_inc(ctx->iv + ctx->ivlen - 8);