Files
wadamesh/lib/ed25519/seed.c
T
Kaj SchittecatandClaude Opus 4.8 1f6409702c feat: Heltec V4 TFT touch firmware — app + ui-touch + board + platformio
First board lands. wadamesh builds the LVGL touch firmware as its own project,
consuming the MeshCore core via lib_deps @ git tag (ALLFATHER-BV/MeshCore
#v1.16.0-wada.0) — no vendored core in this repo. Output is byte-identical to the
in-tree meshcomod build (delta = embedded build-path strings only).

Contents: companion_radio app (MyMesh/main/DataStore), ui-touch LVGL UI,
variants/heltec_v4 board glue, boards/heltec_v4.json, lv_conf, the bundled
ed25519 lib, AsyncElegantOTA, partition table, and a flattened platformio.ini
for env heltec_v4_tft_companion_radio_usb_tcp_touch.

MeshCore-derived files (app glue) remain MIT; ui-touch is GPL — see NOTICE.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Signed-off-by: Kaj Schittecat <kaj@schittecat.com>
2026-06-13 00:01:32 +02:00

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C

#include "ed_25519.h"
#ifndef ED25519_NO_SEED
#ifdef _WIN32
#include <windows.h>
#include <wincrypt.h>
#else
#include <stdio.h>
#endif
int ed25519_create_seed(unsigned char *seed) {
#ifdef _WIN32
HCRYPTPROV prov;
if (!CryptAcquireContext(&prov, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT)) {
return 1;
}
if (!CryptGenRandom(prov, 32, seed)) {
CryptReleaseContext(prov, 0);
return 1;
}
CryptReleaseContext(prov, 0);
#else
FILE *f = fopen("/dev/urandom", "rb");
if (f == NULL) {
return 1;
}
fread(seed, 1, 32, f);
fclose(f);
#endif
return 0;
}
#endif