staged resolv_worker

* replaced RNG from `rnd` to `mbedtls_ctr_drbg`
* use of `uint_fastN_t` where appropriate
* heartbeat protocol draft
* improved worker scheduling mech

1 files changed, 12 insertions, 0 deletions

diff --git a/src/mbedtls.h b/src/mbedtls.h
new file mode 100644
index 0000000..02c50c2
--- /dev/null
+++ b/src/mbedtls.h
@@ -0,0 +1,12 @@
+#pragma once
+#include <stdint.h>
+#include <stdbool.h>
+#include <stddef.h>
+
+#include <mbedtls/x509_crt.h>
+
+
+// Callback that masks `MBEDTLS_X509_BADCERT_EXPIRED`
+int prne_mbedtls_x509_crt_verify_cb (void *param, mbedtls_x509_crt *crt, int crt_depth, uint32_t *flags);
+int prne_mbedtls_ssl_send_cb (void *ctx, const unsigned char *buf, size_t len);
+int prne_mbedtls_ssl_recv_cb (void *ctx, unsigned char *buf, size_t len);