ANSC_HANDLE
AnscAsn1CloneInt
(
ANSC_HANDLE hSrcAsn1Int
)
{
PANSC_ASN1_INT pSrcAsn1Int = (PANSC_ASN1_INT)hSrcAsn1Int;
PANSC_ASN1_INT pNewAsn1Int = NULL;
if ( pSrcAsn1Int )
{
pNewAsn1Int =
(PANSC_ASN1_INT)AnscAsn1AllocInt
(
pSrcAsn1Int->Octets,
pSrcAsn1Int->Length,
pSrcAsn1Int->bNegative
);
}
else
{
return (ANSC_HANDLE)NULL;
}
return (ANSC_HANDLE)pNewAsn1Int;
}
ANSC_ASN1_INT*
AnscX509CertGetSerialNumber
(
void* raw_cert_data,
ULONG raw_cert_size
)
{
PANSC_ASN1_CERTIFICATE pAsnCert = NULL;
ANSC_ASN1_INT* pIntValue = NULL;
PANSC_ASN1_INTEGER pSerialObj;
/* decode the asn.1 certificate handle */
pAsnCert = (PANSC_ASN1_CERTIFICATE)
anscGetCertHandle
(
raw_cert_data,
raw_cert_size
);
if( pAsnCert == NULL)
{
goto EXIT;
}
/* get the serial number */
pSerialObj = (PANSC_ASN1_INTEGER)pAsnCert->GetSerialNumber(pAsnCert);
if( pSerialObj == NULL || pSerialObj->bOptional)
{
goto EXIT;
}
pIntValue =
(ANSC_ASN1_INT*)AnscAsn1AllocInt
(
(PUCHAR)pSerialObj->GetValueBuffer(pSerialObj),
pSerialObj->uLength,
FALSE
);
EXIT:
anscFreeCertHandle((ANSC_HANDLE)pAsnCert);
return pIntValue;
}
ANSC_STATUS
TlsCpoDecapDHPublicKey
(
ANSC_HANDLE hThisObject,
ANSC_X509_KEY* dh_key,
ANSC_ASN1_INT** dh_prime,
ANSC_ASN1_INT** dh_generator,
ANSC_ASN1_INT** dh_public
)
{
PTLS_CRYPTO_PROVIDER_OBJECT pMyObject = (PTLS_CRYPTO_PROVIDER_OBJECT)hThisObject;
ANSC_ASN1_INT* pDhPrime = (ANSC_ASN1_INT* )NULL;
ANSC_ASN1_INT* pDhGenerator = (ANSC_ASN1_INT* )NULL;
ANSC_ASN1_INT* pDhPublic = (ANSC_ASN1_INT* )NULL;
PANSC_CRYPTO_DH_PARAMETERS pDHParam = NULL;
pDHParam = (PANSC_CRYPTO_DH_PARAMETERS)dh_key->KeyData;
if( pDHParam == NULL)
{
return ANSC_STATUS_FAILURE;
}
if( dh_key->KeyType != ANSC_CERT_keyType_diffieHellman)
{
AnscTrace("Invalid key type in TlsCpoDecapDHPublicKey().\n");
return ANSC_STATUS_FAILURE;
}
/* create all the PANSC_ASN1_INTs */
pDhPrime =
(PANSC_ASN1_INT)AnscAsn1AllocInt
(
pDHParam->GroupPrime.Data,
pDHParam->GroupPrime.Length,
FALSE
);
pDhGenerator =
(PANSC_ASN1_INT)AnscAsn1AllocInt
(
pDHParam->GroupGenerator.Data.ucData,
pDHParam->GroupGenerator.Length,
FALSE
);
pDhPublic =
(PANSC_ASN1_INT)AnscAsn1AllocInt
(
pDHParam->PublicKey.Data.ucData,
pDHParam->PublicKey.Length,
FALSE
);
*dh_prime = pDhPrime;
*dh_generator = pDhGenerator;
*dh_public = pDhPublic;
return ANSC_STATUS_SUCCESS;
}
