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API XMLSec NSS App

Aleksey Sanin edited this page Jun 22, 2026 · 5 revisions

NSS Application Helpers

API Group: xmlsec_nss_app

High-level application helpers for the NSS back-end.

Application support functions for NSS.

Common functions for the xmlsec1 command-line utility for NSS.

Functions

xmlSecNssAppInit

int xmlSecNssAppInit(const char *config);

Source: include/xmlsec/nss/app.h

Initializes the NSS crypto engine.

General crypto engine initialization. This function is used by the XMLSec command-line utility and is called before the xmlSecInit function.

Parameters:

  • config — the path to NSS database files.

Returns: 0 on success or a negative value otherwise.


xmlSecNssAppShutdown

int xmlSecNssAppShutdown(void);

Source: include/xmlsec/nss/app.h

Shuts down the NSS crypto engine.

General crypto engine shutdown. This function is used by the XMLSec command-line utility and is called after the xmlSecShutdown function.

Returns: 0 on success or a negative value otherwise.


xmlSecNssAppDefaultKeysMngrInit

int xmlSecNssAppDefaultKeysMngrInit(xmlSecKeysMngrPtr mngr);

Source: include/xmlsec/nss/app.h

Initializes the default key manager for NSS.

Initializes mngr with NSS keys store xmlSecNssKeysStoreId and a default NSS crypto key data stores.

Parameters:

  • mngr — the pointer to keys manager.

Returns: 0 on success or a negative value otherwise.


xmlSecNssAppDefaultKeysMngrAdoptKey

int xmlSecNssAppDefaultKeysMngrAdoptKey(xmlSecKeysMngrPtr mngr, xmlSecKeyPtr key);

Source: include/xmlsec/nss/app.h

Adds key to the keys manager.

Adds key to the keys manager mngr created with xmlSecNssAppDefaultKeysMngrInit function.

Parameters:

  • mngr — the pointer to keys manager.
  • key — the pointer to key.

Returns: 0 on success or a negative value otherwise.


xmlSecNssAppDefaultKeysMngrVerifyKey

int xmlSecNssAppDefaultKeysMngrVerifyKey(xmlSecKeysMngrPtr mngr, xmlSecKeyPtr key, xmlSecKeyInfoCtxPtr keyInfoCtx);

Source: include/xmlsec/nss/app.h

Verifies key using the keys manager.

Verifies key with the keys manager mngr created with xmlSecCryptoAppDefaultKeysMngrInit function:

  • Checks that key certificate is present
  • Checks that key certificate is valid

Adds key to the keys manager mngr created with xmlSecCryptoAppDefaultKeysMngrInit function.

Parameters:

  • mngr — the pointer to keys manager.
  • key — the pointer to key.
  • keyInfoCtx — the key info context for verification.

Returns: 1 if key is verified, 0 otherwise, or a negative value if an error occurs.


xmlSecNssAppDefaultKeysMngrLoad

int xmlSecNssAppDefaultKeysMngrLoad(xmlSecKeysMngrPtr mngr, const char *uri);

Source: include/xmlsec/nss/app.h

Loads the XML keys file into the keys manager.

Loads XML keys file from uri to the keys manager mngr created with xmlSecNssAppDefaultKeysMngrInit function.

Parameters:

  • mngr — the pointer to keys manager.
  • uri — the uri.

Returns: 0 on success or a negative value otherwise.


xmlSecNssAppDefaultKeysMngrSave

int xmlSecNssAppDefaultKeysMngrSave(xmlSecKeysMngrPtr mngr, const char *filename, xmlSecKeyDataType type);

Source: include/xmlsec/nss/app.h

Saves keys from mngr to XML keys file.

Parameters:

  • mngr — the pointer to keys manager.
  • filename — the destination filename.
  • type — the type of keys to save (public/private/symmetric).

Returns: 0 on success or a negative value otherwise.


xmlSecNssAppKeysMngrCertLoad

int xmlSecNssAppKeysMngrCertLoad(xmlSecKeysMngrPtr mngr, const char *filename, xmlSecKeyDataFormat format, xmlSecKeyDataType type);

Source: include/xmlsec/nss/app.h

Reads a cert from a file and adds to the key store.

Reads cert from filename and adds to the list of trusted or known untrusted certs in store.

Parameters:

  • mngr — the pointer to keys manager.
  • filename — the certificate file.
  • format — the certificate file format (PEM or DER).
  • type — the certificate type (trusted/untrusted).

Returns: 0 on success or a negative value otherwise.


xmlSecNssAppKeysMngrCertLoadMemory

int xmlSecNssAppKeysMngrCertLoadMemory(xmlSecKeysMngrPtr mngr, const xmlSecByte *data, xmlSecSize dataSize, xmlSecKeyDataFormat format, xmlSecKeyDataType type);

Source: include/xmlsec/nss/app.h

Reads cert from buffer and adds to the key store.

Reads cert from data and adds to the list of trusted or known untrusted certs in store.

Parameters:

  • mngr — the pointer to keys manager.
  • data — the certificatedata.
  • dataSize — the certificate data size.
  • format — the certificate format (PEM or DER).
  • type — the certificate type (trusted/untrusted).

Returns: 0 on success or a negative value otherwise.


xmlSecNssAppKeysMngrCertLoadSECItem

int xmlSecNssAppKeysMngrCertLoadSECItem(xmlSecKeysMngrPtr mngr, SECItem *secItem, xmlSecKeyDataFormat format, xmlSecKeyDataType type);

Source: include/xmlsec/nss/app.h

Reads cert from SECItem and adds to the key store.

Reads cert from secItem and adds to the list of trusted or known untrusted certs in store.

Parameters:

  • mngr — the pointer to keys manager.
  • secItem — the pointer to SECItem.
  • format — the certificate format (PEM or DER).
  • type — the certificate type (trusted/untrusted).

Returns: 0 on success or a negative value otherwise.


xmlSecNssAppKeysMngrCrlLoad

int xmlSecNssAppKeysMngrCrlLoad(xmlSecKeysMngrPtr mngr, const char *filename, xmlSecKeyDataFormat format);

Source: include/xmlsec/nss/app.h

Reads CRLs from a file and adds to the store.

Reads crl from filename and adds to the list of crls in store.

Parameters:

  • mngr — the pointer to keys manager.
  • filename — the CRL file.
  • format — the CRL file format (PEM or DER).

Returns: 0 on success or a negative value otherwise.


xmlSecNssAppKeysMngrCrlLoadMemory

int xmlSecNssAppKeysMngrCrlLoadMemory(xmlSecKeysMngrPtr mngr, const xmlSecByte *data, xmlSecSize dataSize, xmlSecKeyDataFormat format);

Source: include/xmlsec/nss/app.h

Reads CRLs from memory and adds to the store.

Reads crl from data and adds to the list of crls in store.

Parameters:

  • mngr — the pointer to keys manager.
  • data — the CRL data.
  • dataSize — the CRL data size.
  • format — the CRL format (PEM or DER).

Returns: 0 on success or a negative value otherwise.


xmlSecNssAppKeysMngrCrlLoadAndVerify

int xmlSecNssAppKeysMngrCrlLoadAndVerify(xmlSecKeysMngrPtr mngr, const char *filename, xmlSecKeyDataFormat format, xmlSecKeyInfoCtxPtr keyInfoCtx);

Source: include/xmlsec/nss/app.h

Loads and verifies a CRL from a file.

Atomically loads and verifies a CRL from filename.

Parameters:

  • mngr — the keys manager.
  • filename — the CRL filename.
  • format — the CRL format (PEM or DER).
  • keyInfoCtx — the key info context for verification parameters.

Returns: 0 on success or a negative value otherwise.


xmlSecNssAppKeyLoadEx

xmlSecKeyPtr xmlSecNssAppKeyLoadEx(const char *filename, xmlSecKeyDataType type, xmlSecKeyDataFormat format, const char *pwd, void *pwdCallback, void *pwdCallbackCtx);

Source: include/xmlsec/nss/app.h

Reads a key from a file.

Parameters:

  • filename — the key filename.
  • type — the key type (public / private).
  • format — the key file format.
  • pwd — the key file password.
  • pwdCallback — the key password callback.
  • pwdCallbackCtx — the user context for password callback.

Returns: pointer to the key or NULL if an error occurs.


xmlSecNssAppKeyLoadMemory

xmlSecKeyPtr xmlSecNssAppKeyLoadMemory(const xmlSecByte *data, xmlSecSize dataSize, xmlSecKeyDataFormat format, const char *pwd, void *pwdCallback, void *pwdCallbackCtx);

Source: include/xmlsec/nss/app.h

Reads a key from the binary data.

Parameters:

  • data — the key binary data.
  • dataSize — the key binary data size.
  • format — the key data format.
  • pwd — the key data password.
  • pwdCallback — the key password callback.
  • pwdCallbackCtx — the user context for password callback.

Returns: pointer to the key or NULL if an error occurs.


xmlSecNssAppKeyLoadSECItem

xmlSecKeyPtr xmlSecNssAppKeyLoadSECItem(SECItem *secItem, xmlSecKeyDataFormat format, const char *pwd, void *pwdCallback, void *pwdCallbackCtx);

Source: include/xmlsec/nss/app.h

Reads a key from a SECItem.

Parameters:

  • secItem — the pointer to sec item.
  • format — the key format.
  • pwd — the key password.
  • pwdCallback — the key password callback.
  • pwdCallbackCtx — the user context for password callback.

Returns: pointer to the key or NULL if an error occurs.


xmlSecNssAppPkcs12Load

xmlSecKeyPtr xmlSecNssAppPkcs12Load(const char *filename, const char *pwd, void *pwdCallback, void *pwdCallbackCtx);

Source: include/xmlsec/nss/app.h

Reads key and certificates from PKCS12 file.

Reads a key and all associated certificates from the PKCS12 file. For uniformity, call xmlSecNssAppKeyLoadEx instead of this function. Pass in format=xmlSecKeyDataFormatPkcs12.

Parameters:

  • filename — the PKCS12 key filename.
  • pwd — the PKCS12 file password.
  • pwdCallback — the password callback.
  • pwdCallbackCtx — the user context for password callback.

Returns: pointer to the key or NULL if an error occurs.


xmlSecNssAppPkcs12LoadMemory

xmlSecKeyPtr xmlSecNssAppPkcs12LoadMemory(const xmlSecByte *data, xmlSecSize dataSize, const char *pwd, void *pwdCallback, void *pwdCallbackCtx);

Source: include/xmlsec/nss/app.h

Reads key and certs from PKCS12 binary data.

Reads a key and all associated certificates from the PKCS12 binary data. For uniformity, call xmlSecNssAppKeyLoadEx instead of this function. Pass in format=xmlSecKeyDataFormatPkcs12.

Parameters:

  • data — the key binary data.
  • dataSize — the key binary data size.
  • pwd — the PKCS12 password.
  • pwdCallback — the password callback.
  • pwdCallbackCtx — the user context for password callback.

Returns: pointer to the key or NULL if an error occurs.


xmlSecNssAppPkcs12LoadSECItem

xmlSecKeyPtr xmlSecNssAppPkcs12LoadSECItem(SECItem *secItem, const char *pwd, void *pwdCallback, void *pwdCallbackCtx);

Source: include/xmlsec/nss/app.h

Reads key and certs from PKCS12 SECItem.

Reads a key and all associated certificates from the PKCS12 SECItem. For uniformity, call xmlSecNssAppKeyLoadEx instead of this function. Pass in format=xmlSecKeyDataFormatPkcs12.

Parameters:

  • secItem — the SECItem object.
  • pwd — the PKCS12 file password.
  • pwdCallback — the password callback.
  • pwdCallbackCtx — the user context for password callback.

Returns: pointer to the key or NULL if an error occurs.


xmlSecNssAppKeyCertLoad

int xmlSecNssAppKeyCertLoad(xmlSecKeyPtr key, const char *filename, xmlSecKeyDataFormat format);

Source: include/xmlsec/nss/app.h

Reads the certificate from a file and adds to key.

Reads the certificate from filename and adds it to key.

Parameters:

  • key — the pointer to key.
  • filename — the certificate filename.
  • format — the certificate file format.

Returns: 0 on success or a negative value otherwise.


xmlSecNssAppKeyCertLoadMemory

int xmlSecNssAppKeyCertLoadMemory(xmlSecKeyPtr key, const xmlSecByte *data, xmlSecSize dataSize, xmlSecKeyDataFormat format);

Source: include/xmlsec/nss/app.h

Reads the certificate from memory and adds to key.

Reads the certificate from data and adds it to key.

Parameters:

  • key — the pointer to key.
  • data — the key binary data.
  • dataSize — the key binary data size.
  • format — the certificate format.

Returns: 0 on success or a negative value otherwise.


xmlSecNssAppKeyCertLoadSECItem

int xmlSecNssAppKeyCertLoadSECItem(xmlSecKeyPtr key, SECItem *secItem, xmlSecKeyDataFormat format);

Source: include/xmlsec/nss/app.h

Reads a certificate from SECItem and adds to key.

Reads the certificate from secItem and adds it to key.

Parameters:

  • key — the pointer to key.
  • secItem — the pointer to SECItem.
  • format — the certificate format.

Returns: 0 on success or a negative value otherwise.


xmlSecNssAppKeyFromCertLoadSECItem

xmlSecKeyPtr xmlSecNssAppKeyFromCertLoadSECItem(SECItem *secItem, xmlSecKeyDataFormat format);

Source: include/xmlsec/nss/app.h

Loads public key from cert.

Parameters:

  • secItem — the SECItem object.
  • format — the cert format.

Returns: pointer to key or NULL if an error occurs.


xmlSecNssAppGetDefaultPwdCallback

void * xmlSecNssAppGetDefaultPwdCallback(void);

Source: include/xmlsec/nss/app.h

Gets default password callback.

Returns: default password callback.


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