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## certkeys certkeys — Certificate keys support functions for Microsoft Crypto API. |
## Stability Level Stable, unless otherwise indicated ## Functions
PCCERT_CONTEXT | xmlSecMSCryptoKeyDataGetCert ()
HCRYPTKEY | xmlSecMSCryptoKeyDataGetKey ()
HCRYPTKEY | xmlSecMSCryptoKeyDataGetDecryptKey ()
PCCERT_CONTEXT | xmlSecMSCryptoCertDup ()
xmlSecKeyDataPtr | xmlSecMSCryptoCertAdopt ()
HCRYPTPROV | xmlSecMSCryptoKeyDataGetMSCryptoProvider ()
DWORD | xmlSecMSCryptoKeyDataGetMSCryptoKeySpec ()
PCRYPT_KEY_PROV_INFO | xmlSecMSCryptoKeyDataGetMSCryptoProviderInfo ()
## Description ## Functions ### xmlSecMSCryptoKeyDataGetCert ()
    PCCERT_CONTEXT
    xmlSecMSCryptoKeyDataGetCert (xmlSecKeyDataPtr data);
Native MSCrypto certificate retrieval from xmlsec keydata. The returned PCCERT_CONTEXT must not be released by the caller. #### Parameters
data | the key data to retrieve certificate from. |
#### Returns PCCERT_CONTEXT on success or NULL otherwise. ### xmlSecMSCryptoKeyDataGetKey ()
    HCRYPTKEY
    xmlSecMSCryptoKeyDataGetKey (xmlSecKeyDataPtr data,
                                 xmlSecKeyDataType type);
Native MSCrypto key retrieval from xmlsec keydata. The returned HKEY must not be destroyed by the caller. #### Parameters
data | the key data to retrieve certificate from. |
type | type of key requested (public/private) |
#### Returns HKEY on success or NULL otherwise. ### xmlSecMSCryptoKeyDataGetDecryptKey ()
    HCRYPTKEY
    xmlSecMSCryptoKeyDataGetDecryptKey (xmlSecKeyDataPtr data);
Native MSCrypto decrypt key retrieval from xmlsec keydata. The returned HKEY must not be destroyed by the caller. #### Parameters
data | the key data pointer |
#### Returns HKEY on success or NULL otherwise. ### xmlSecMSCryptoCertDup ()
    PCCERT_CONTEXT
    xmlSecMSCryptoCertDup (PCCERT_CONTEXT pCert);
Duplicates the `pCert` . #### Parameters
pCert | the pointer to cert. |
#### Returns pointer to newly created PCCERT_CONTEXT object or NULL if an error occurs. ### xmlSecMSCryptoCertAdopt ()
    xmlSecKeyDataPtr
    xmlSecMSCryptoCertAdopt (PCCERT_CONTEXT pCert,
                             xmlSecKeyDataType type);
Creates key data value from the cert. #### Parameters
pCert | the pointer to cert. |
type | the expected key type. |
#### Returns pointer to newly created xmlsec key or NULL if an error occurs. ### xmlSecMSCryptoKeyDataGetMSCryptoProvider ()
    HCRYPTPROV
    xmlSecMSCryptoKeyDataGetMSCryptoProvider
                                   (xmlSecKeyDataPtr data);
Gets crypto provider handle #### Parameters
data | the key data |
#### Returns the crypto provider handler or 0 if there is an error. ### xmlSecMSCryptoKeyDataGetMSCryptoKeySpec ()
    DWORD
    xmlSecMSCryptoKeyDataGetMSCryptoKeySpec
                                   (xmlSecKeyDataPtr data);
Gets key spec info. #### Parameters
data | the key data |
#### Returns the key spec info from key data ### xmlSecMSCryptoKeyDataGetMSCryptoProviderInfo ()
    PCRYPT_KEY_PROV_INFO
    xmlSecMSCryptoKeyDataGetMSCryptoProviderInfo
                                   (xmlSecKeyDataPtr data);
Gets key provider info. #### Parameters
data | the key data |
#### Returns the key provider info.