C++ (Cpp) krb5_heim_free_contextの例

コード例 #1

ファイル: krb5keys.c プロジェクト: DhanashreeA/lightwave

DWORD
VmKdcGenerateMasterKey(
    PBYTE *ppMasterKey,
    PDWORD pMasterKeyLen)
{
    DWORD dwError = 0;
    krb5_error_code err = 0;
    krb5_keyblock keyBlock = {0};
    krb5_context krb5Context;
    ssize_t asn1_masterkey_len = 0;
    int len = 0;
    PBYTE asn1_masterkey = NULL;
    KrbMKey inMasterKey = {0};

    err = krb5_heim_init_context(&krb5Context);
    if (err)
    {
        dwError = ERROR_ALLOC_KRB5_CONTEXT;
        BAIL_ON_VMKDC_ERROR(dwError);
    }


    /* TBD: FIXME - Only use VMKDC_ENCTYPE_AES256_CTS_HMAC_SHA1_96 for now */
    err = krb5_heim_generate_random_keyblock(krb5Context,
                              VMKDC_ENCTYPE_AES256_CTS_HMAC_SHA1_96,
                              &keyBlock);
    if (err)
    {
        dwError = ERROR_ALLOC_KRB5_CONTEXT;
        BAIL_ON_VMKDC_ERROR(dwError);
    }

    inMasterKey.kvno = VMKDC_DEFAULT_KVNO;
    inMasterKey.key.keytype = keyBlock.keytype;
    inMasterKey.key.keyvalue = keyBlock.keyvalue;

    ASN1_MALLOC_ENCODE(KrbMKey, 
                       asn1_masterkey, 
                       len, 
                       &inMasterKey, 
                       &asn1_masterkey_len, 
                       err);
    if (asn1_masterkey_len > 0)
    {
        *ppMasterKey = asn1_masterkey;
        *pMasterKeyLen = (DWORD) asn1_masterkey_len;
    }

error:

    krb5_heim_free_keyblock_contents(krb5Context, &keyBlock);
    krb5_heim_free_context(krb5Context);
    return dwError;
}

コード例 #2

ファイル: crypto.c プロジェクト: Dan-McGee/lightwave

VOID
VmKdcDestroyKrb5(
    PVMKDC_KRB5_CONTEXT pKrb5)
{
    if (pKrb5)
    {
        krb5_heim_free_context(pKrb5->ctx);
        VmKdcFreeMemory(pKrb5);
        pKrb5 = NULL;
    }
}

コード例 #3

ファイル: krb5keys.c プロジェクト: DhanashreeA/lightwave

DWORD
VmKdcStringToKeys(
    PSTR upnName,
    PSTR password,
    PBYTE *ppUpnKeys,
    PDWORD pUpnKeysLen)
{
    DWORD dwError = 0;
    krb5_principal upnPrincipal;
    krb5_error_code err = 0;
    krb5_context krb5Context;
    krb5_keyblock keyBlocks[2];
    PBYTE pAsn1Keys = NULL;
    DWORD asn1KeysLen = 0;

    err = krb5_heim_init_context(&krb5Context);
    if (err)
    {
        dwError = ERROR_ALLOC_KRB5_CONTEXT;
        BAIL_ON_VMKDC_ERROR(dwError);
    }

    dwError = _VmKdcParsePrincipalHeimdal(
                  upnName,
                  &upnPrincipal);
    BAIL_ON_VMKDC_ERROR(dwError);

    err = krb5_heim_string_to_key(
              krb5Context,
              VMKDC_ENCTYPE_AES256_CTS_HMAC_SHA1_96,
              (const char *)password,
              upnPrincipal,
              &keyBlocks[0]);
    if (err)
    {
        dwError = ERROR_ALLOC_KRB5_CONTEXT;
        BAIL_ON_VMKDC_ERROR(dwError);
    }

    err = krb5_heim_string_to_key(
              krb5Context,
              ENCTYPE_ARCFOUR_HMAC,
              (const char *)password,
              upnPrincipal,
              &keyBlocks[1]);

    dwError = _VmKdcAsn1EncodeStringToKeys(
                  keyBlocks,
                  2,
                  &pAsn1Keys,
                  &asn1KeysLen);
    BAIL_ON_VMKDC_ERROR(dwError);

    *ppUpnKeys = pAsn1Keys;
    *pUpnKeysLen = asn1KeysLen;

error:
    krb5_heim_free_keyblock_contents(krb5Context, &keyBlocks[0]);
    krb5_heim_free_keyblock_contents(krb5Context, &keyBlocks[1]);
    krb5_heim_free_context(krb5Context);
    _VmKdcParsePrincipalHeimdalFree(upnPrincipal);
    return dwError;
}