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processing exit value of why2_generate_key's fread

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didn't I say removing all TODOs?
This commit is contained in:
Václav Šmejkal 2023-02-03 17:16:15 +01:00
parent c0e4924792
commit 9207c1c309
Signed by: ENGO150
GPG Key ID: 4A57E86482968843
1 changed files with 15 additions and 1 deletions
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16
src/core/lib/utils/misc.c
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@ -417,17 +417,29 @@ enum WHY2_EXIT_CODES why2_generate_key(char *key, int keyLength)
if (!seedSet) if (!seedSet)
{ {
why2_set_memory_identifier("core_key_generation");
//TRY TO MAKE RANDOM GENERATION REALLY "RANDOM" //TRY TO MAKE RANDOM GENERATION REALLY "RANDOM"
FILE *fileBuffer; FILE *fileBuffer;
fileBuffer = fopen("/dev/urandom", "r"); fileBuffer = fopen("/dev/urandom", "r");
(void) (fread(&numberBuffer, sizeof(numberBuffer), 1, fileBuffer) + 1); //TODO: Try to create some function for processing exit value
if (fread(&numberBuffer, sizeof(numberBuffer), 1, fileBuffer) != 1)
{
if (!why2_get_flags().no_output) fprintf(stderr, "Reading file failed!\n");
why2_clean_memory("core_key_generation");
return WHY2_INVALID_KEY;
}
numberBuffer = abs(numberBuffer); //MAKE numberBuffer POSITIVE numberBuffer = abs(numberBuffer); //MAKE numberBuffer POSITIVE
srand(numberBuffer); srand(numberBuffer);
fclose(fileBuffer); fclose(fileBuffer);
seedSet = 1; seedSet = 1;
why2_reset_memory_identifier();
} }
for (int i = 0; i < keyLength; i++) for (int i = 0; i < keyLength; i++)
@ -449,4 +461,6 @@ enum WHY2_EXIT_CODES why2_generate_key(char *key, int keyLength)
} }
key[keyLength] = '\0'; key[keyLength] = '\0';
return WHY2_SUCCESS;
} }