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Version-tag challenge-response state file contents.

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Helps in case we ever want to change the file format.
This commit is contained in:
Fredrik Thulin 2011-03-17 16:11:56 +01:00
parent ab47c06c20
commit fe12e98e38
1 changed files with 2 additions and 2 deletions
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4
util.c
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@ -200,7 +200,7 @@ load_chalresp_state(FILE *f, CR_STATE *state)
* 40 is twice the size of CR_RESPONSE_SIZE
* (twice because we hex encode the challenge and response)
*/
r = fscanf(f, "%126[0-9a-z]:%40[0-9a-z]:%d", &challenge_hex, &response_hex, &slot);
r = fscanf(f, "v1:%126[0-9a-z]:%40[0-9a-z]:%d", &challenge_hex, &response_hex, &slot);
D(("Challenge: %s, response: %s, slot: %d", challenge_hex, response_hex, slot));
if (r != 3)
goto out;
@ -255,7 +255,7 @@ write_chalresp_state(FILE *f, CR_STATE *state)
if (ftruncate(fd, 0))
goto out;
fprintf(f, "%s:%s:%d\n", challenge_hex, response_hex, state->slot);
fprintf(f, "v1:%s:%s:%d\n", challenge_hex, response_hex, state->slot);
if (fsync(fd) < 0)
goto out;