C++ (Cpp) decodeCommonObjectAttributes Beispiele

Beispiel #1

Datei: pkcs15.c Projekt: chinahby/sc-hsm-embedded

static int decodeCertificateAttributes(unsigned char *cd, int cdlen, struct p15CertificateDescription *p15)
{
	int rc,tag,len;
	unsigned char *po, *obj;

	if (cdlen <= 0) {				// Nothing to decode
		return 0;
	}

	po = obj = cd;

	tag = asn1Tag(&po);
	if (tag != ASN1_SEQUENCE) {
		return -1;
	}

	len = asn1Length(&po);

	rc = decodeCommonObjectAttributes(po, len, &p15->coa);
	if (rc < 0) {
		return rc;
	}

	po += len;

	if ((po - cd) >= cdlen) {
		return 0;
	}

	obj = po;
	tag = asn1Tag(&po);
	if (tag != ASN1_SEQUENCE) {
		return -1;
	}

	len = asn1Length(&po);

	rc = decodeCommonCertificateAttributes(po, len, p15);
	if (rc < 0) {
		return rc;
	}

	po += len;

	return 0;
}

Beispiel #2

Datei: pkcs15.c Projekt: sc-hsm-ultralite/sc-hsm-ultralite

static int decodePrivateKeyAttributes(unsigned char *prkd, int prkdlen, struct p15PrivateKeyDescription *p15)
{
	int rc,tag,len;
	unsigned char *po, *obj;

	if (prkdlen <= 0) {				// Nothing to decode
		return 0;
	}

	po = obj = prkd;

	tag = asn1Tag(&po);
	if (tag != ASN1_SEQUENCE) {
		return -1;
	}

	len = asn1Length(&po);

	rc = decodeCommonObjectAttributes(po, len, &p15->coa);
	if (rc < 0) {
		return rc;
	}

	po += len;

	if ((po - prkd) >= prkdlen) {
		return 0;
	}

	obj = po;
	tag = asn1Tag(&po);
	if (tag != ASN1_SEQUENCE) {
		return -1;
	}

	len = asn1Length(&po);

	rc = decodeCommonKeyAttributes(po, len, p15);
	if (rc < 0) {
		return rc;
	}

	po += len;

	if ((po - prkd) >= prkdlen) {
		return 0;
	}

	obj = po;
	tag = asn1Tag(&po);
	if (tag == 0xA0) {
		len = asn1Length(&po);
		po += len;

		if ((po - prkd) >= prkdlen) {
			return 0;
		}
		obj = po;
		tag = asn1Tag(&po);
	}

	len = asn1Length(&po);
	if ((tag != 0xA1) || (len <= 0)) {
		return -1;
	}

	tag = asn1Tag(&po);
	len = asn1Length(&po);

	if ((tag != ASN1_SEQUENCE) || (len <= 0)) {
		return -1;
	}

	rc = decodeKeyAttributes(po, len, p15);
	if (rc < 0) {
		return rc;
	}

	return 0;
}