TeaSpeak/tomcrypt
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there's no need to check out on function entry

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...someone could then do something like this...

unsigned char* out = NULL;
unsigned long len = 0;
while(ecc_ansi_x963_export(key, out, &len) == CRYPT_BUFFER_OVERFLOW &&
	len == 0) {
  out = malloc(len);
}

...as if someone would ever like to do something like that...
This commit is contained in:
Steffen Jaeckel 2016-01-14 21:32:33 +01:00
parent 42bad9f580
commit 10e577e24a
1 changed files with 3 additions and 2 deletions
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3
src/pk/ecc/ecc_ansi_x963_export.c
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@ -35,7 +35,6 @@ int ecc_ansi_x963_export(ecc_key *key, unsigned char *out, unsigned long *outlen
unsigned long numlen, xlen, ylen; unsigned long numlen, xlen, ylen;
LTC_ARGCHK(key != NULL); LTC_ARGCHK(key != NULL);
LTC_ARGCHK(out != NULL);
LTC_ARGCHK(outlen != NULL); LTC_ARGCHK(outlen != NULL);
if (ltc_ecc_is_valid_idx(key->idx) == 0) { if (ltc_ecc_is_valid_idx(key->idx) == 0) {
@ -54,6 +53,8 @@ int ecc_ansi_x963_export(ecc_key *key, unsigned char *out, unsigned long *outlen
return CRYPT_BUFFER_OVERFLOW; return CRYPT_BUFFER_OVERFLOW;
} }
LTC_ARGCHK(out != NULL);
/* store byte 0x04 */ /* store byte 0x04 */
out[0] = 0x04; out[0] = 0x04;