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Allow weaker rand() for in memory values

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jl777
2018-08-18 05:00:51 -11:00
parent 9f545d8eb3
commit 96e1505ec8
1 changed files with 2 additions and 7 deletions
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9
src/cryptoconditions/src/secp256k1.c
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@@ -45,16 +45,11 @@ void lockSign() {
int read = (int) fread(&ent, 1, 32, fp); int read = (int) fread(&ent, 1, 32, fp);
fclose(fp); fclose(fp);
#endif #endif
if (read != 32) { if (read != 32)
#ifdef _WIN32 {
int32_t i; int32_t i;
for (i=0; i<32; i++) for (i=0; i<32; i++)
((uint8_t *)ent)[i] = rand(); ((uint8_t *)ent)[i] = rand();
fprintf(stderr,"@libscott plz make this a high entropy for windows\n");
#else
fprintf(stderr, "Could not read 32 bytes entropy from system\n");
exit(1);
#endif
} }
if (!secp256k1_context_randomize(ec_ctx_sign, ent)) { if (!secp256k1_context_randomize(ec_ctx_sign, ent)) {
fprintf(stderr, "Could not randomize secp256k1 context\n"); fprintf(stderr, "Could not randomize secp256k1 context\n");