47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
#define _CRT_SECURE_NO_WARNINGS
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#include <stdio.h>
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#include "id_io.h"
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int readKeyPairFromFile(const char *fileName, char *keyPair) {
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FILE *file;
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file = fopen(fileName, "r");
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if(file == NULL) {
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printf("Could not open file '%s' for reading keypair\n", fileName);
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return -1;
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}
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fgets(keyPair, BUFSIZ, file);
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if(ferror(file) != 0) {
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fclose (file);
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printf("Error reading keypair from file '%s'.\n", fileName);
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return -1;
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}
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fclose (file);
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printf("Read keypair '%s' from file '%s'.\n", keyPair, fileName);
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return 0;
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}
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int writeKeyPairToFile(const char *fileName, const char* keyPair) {
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FILE *file;
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file = fopen(fileName, "w");
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if(file == NULL) {
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printf("Could not open file '%s' for writing keypair\n", fileName);
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return -1;
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}
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fputs(keyPair, file);
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if(ferror(file) != 0) {
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fclose (file);
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printf("Error writing keypair to file '%s'.\n", fileName);
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return -1;
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}
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fclose (file);
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printf("Wrote keypair '%s' to file '%s'.\n", keyPair, fileName);
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return 0;
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}
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