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sc-hsm: Prevent double-free crash if key generation fails 

Fixes #262 (SEGV when reader does not support extended length ADPU)
This commit is contained in:
Andreas Schwier 2014-07-09 14:22:51 +02:00
parent db60f8da59
commit 5279bfa2d1
1 changed files with 8 additions and 0 deletions
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8
src/libopensc/pkcs15-sc-hsm.c
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@ -421,27 +421,35 @@ void sc_pkcs15emu_sc_hsm_free_cvc(sc_cvc_t *cvc)
{
if (cvc->signature) {
free(cvc->signature);
cvc->signature = NULL;
}
if (cvc->primeOrModulus) {
free(cvc->primeOrModulus);
cvc->primeOrModulus = NULL;
}
if (cvc->coefficientAorExponent) {
free(cvc->coefficientAorExponent);
cvc->coefficientAorExponent = NULL;
}
if (cvc->coefficientB) {
free(cvc->coefficientB);
cvc->coefficientB = NULL;
}
if (cvc->basePointG) {
free(cvc->basePointG);
cvc->basePointG = NULL;
}
if (cvc->order) {
free(cvc->order);
cvc->order = NULL;
}
if (cvc->publicPoint) {
free(cvc->publicPoint);
cvc->publicPoint = NULL;
}
if (cvc->cofactor) {
free(cvc->cofactor);
cvc->cofactor = NULL;
}
}