Utils Component
Properties Methods Events Config Settings Errors
The Utils component offers a selection of popular helper methods that may be of use in a variety of scenarios.
Syntax
nsoftware.SecureBlackbox.Utils
Remarks
If you need to resolve a hostname to an IP address, encode a string using a specific character encoding, or compose a multipart message, look no further. This is exactly what Utils is intended for. Below is a summary of little useful features that this class can help you with.
Encoding and decoding
- Encode binary data to base64 and decode it back (Base64Encode and Base64Decode)
- Hex-encode and decode (HexEncode and HexDecode)
- Encode and decode dates - particularly handy when working with other suite components that expect string dates (StringToDate, DateToString)
- Convert object identifiers from and to string representation (StringToOid, OidToString)
- Convert string to any supported character encoding (StringEncode and StringDecode).
Networking helpers
- Get local network parameters with GetLocalIP and GetLocalDNSName
- Resolve remote domain names into IP addresses (GetRemoteIP)
- URL-encode and decode HTTP and other data (UrlEncode and UrlDecode).
Work with multipart MIME messages
- Compose a multipart body with AddPartFromBytes and SaveMultipartToBytes
- Load and process existing multiparts with LoadMultipartFromBytes and GetPartToBytes.
Utils class also offers a useful GetErrorDescription method that lets you obtain a human-readable message
for every SecureBlackbox error code you might get.
// base64Encode
byte[] bytes = ("Life is like riding a bicycle. To keep your balance," +
" you must keep moving. (Albert Einstein)").getBytes();
String base64Encoded = utils.base64Encode(bytes,false);
System.out.println(base64Encoded);
// base64Decode
String decoded = new String(utils.base64Decode(base64Encoded,false));
System.out.println(decoded);
// Example: Using another SecureBlackBox component to get a string
// and convert it to a Java Date object
MessageVerifier verifier = new MessageVerifier();
verifier.setInputFile("signedMessage.bin");
verifier.setOutputFile("output.txt");
verifier.verify();
String verifiedDate = verifier.getValidatedSigningTime(); // Retrieving the string: 2024-05-17 13:25:26
Date date = utils.stringToDate(verifiedDate); // Using utils to convert it
System.out.println(date); // Output : Fri May 17 13:25:26 CEST 2024
// Retrieving remote IP
String hostName = "nsoftware.com";
System.out.println("Hostname: " + hostName +
" has this IP: " + utils.getRemoteIP("www.nsoftware.com",false,dmAuto,"",60));
// Output: Hostname: nsoftware.com has this IP: 52.168.9.41
// Hex Encode
byte[] bytes = ("Genius is one percent inspiration and " +
"ninety-nine percent perspiration.(Thomas Edison)").getBytes();
String hexEncoded = utils.hexEncode(bytes);
System.out.println(hexEncoded);
// Hex Decode
String decoded = new String(utils.hexDecode(hexEncoded));
System.out.println(decoded);
Property List
The following is the full list of the properties of the component with short descriptions. Click on the links for further details.
MultipartMessage | Lists the content of the multipart message. |
NameValuePairs | A current list of (name, value) pairs. |
Method List
The following is the full list of the methods of the component with short descriptions. Click on the links for further details.
AddPartFromBytes | Adds a new part to MultipartMessage from the specified byte array. |
AddPartFromFile | Adds a new part to MultipartMessage from the specified file. |
AddPartFromStream | Adds a new part to MultipartMessage from the provided stream. |
Base64Decode | Decodes a base64 string to a byte array. |
Base64Encode | Encodes a byte array in base64. |
Base64EncodeLines | Encodes the Bytes array containing binary data to a multi-line Base64. |
Config | Sets or retrieves a configuration setting. |
DateToString | Converts a variable of Date type to the respective string representation. |
DoAction | Performs an additional action. |
GetErrorDescription | Returns an error description by an error code. |
GetLocalDNSName | Returns the DNS name of the local system. |
GetLocalIP | Returns the primary IP address of the local system. |
GetLocalIPs | Returns a list of local IP addresses. |
GetPartToBytes | Saves the data from the specified part to a byte array. |
GetPartToFile | Saves the data from the specified part to a file. |
GetPartToStream | Saves the data from the specified part to a stream. |
GetRemoteIP | Gets the IP address of a remote host. |
GetRemoteIPs | Resolves IP addresses available for a hostname. |
GetValueByName | Returns the value from the (name, value) pair list for the requested name. |
HexDecode | Decodes a hex-encoded string into a byte array. |
HexEncode | Encodes a byte array to hex string. |
IndexOfName | Returns the index of the (name, value) pair in the list for the requested Name. |
LoadMultipartFromBytes | Loads a multipart message from the specified byte array to MultipartMessage . |
LoadMultipartFromFile | Loads a multipart message from the specified file to MultipartMessage . |
LoadMultipartFromStream | Loads a multipart message from the specified stream to MultipartMessage . |
LoadNameValuePairs | Loads a list of (name, value) pairs from a string. |
OidToString | Converts a binary-encoded ASN.1 OID to its string representation. |
RemoveNameValuePair | Remove a (name, value) pair by name. |
Reset | Resets the component settings. |
SaveMultipartContentType | Returns the value for Content-Type field. |
SaveMultipartToBytes | Saves the parts contained in MultipartMessage to a byte array. |
SaveMultipartToFile | Saves the parts contained in MultipartMessage to the file. |
SaveMultipartToStream | Saves the parts contained in MultipartMessage to the stream. |
SaveNameValuePairs | Serializes the (name, value) pair list to a string. |
SetValueByName | Adds or updates the (name, value) pair by a name. |
StringDecode | Converts a byte array to a string using a chosen encoding. |
StringEncode | Encodes a string to a byte array using a chosen character encoding. |
StringToDate | Converts a date represented by a string to a respective Date object. |
StringToOid | Converts string OID representation to an ASN.1 byte array |
UrlDecode | Decodes a URLEncoded string back into its original form. |
UrlEncode | Encodes the provided string using URLEncode. |
Event List
The following is the full list of the events fired by the component with short descriptions. Click on the links for further details.
Error | Informs about errors during cryptographic operations. |
Notification | This event notifies the application about an underlying control flow event. |
Config Settings
The following is a list of config settings for the component with short descriptions. Click on the links for further details.
MaxInMemoryPartSize | The maximal size of a message part to keep in memory. |
MultipartBoundary | Returns the boundary string used to save the last multipart message. |
MultipartCharset | Specifies the charset to be used to encode the field names and the filenames of the multipart message. |
RelatedStart | Identifies the starting body part or root. |
RelatedStartInfo | Contains additional information required for unpacking or processing of the content. |
RelatedType | Contains media type/subtype of message's content. |
TempPath | Path for storing temporary files. |
ASN1UseGlobalTagCache | Controls whether ASN.1 module should use a global object cache. |
AssignSystemSmartCardPins | Specifies whether CSP-level PINs should be assigned to CNG keys. |
CheckKeyIntegrityBeforeUse | Enables or disable private key integrity check before use. |
CookieCaching | Specifies whether a cookie cache should be used for HTTP(S) transports. |
Cookies | Gets or sets local cookies for the component. |
DefDeriveKeyIterations | Specifies the default key derivation algorithm iteration count. |
DNSLocalSuffix | The suffix to assign for TLD names. |
EnableClientSideSSLFFDHE | Enables or disables finite field DHE key exchange support in TLS clients. |
GlobalCookies | Gets or sets global cookies for all the HTTP transports. |
HardwareCryptoUsePolicy | The hardware crypto usage policy. |
HttpUserAgent | Specifies the user agent name to be used by all HTTP clients. |
HttpVersion | The HTTP version to use in any inner HTTP client components created. |
IgnoreExpiredMSCTLSigningCert | Whether to tolerate the expired Windows Update signing certificate. |
ListDelimiter | The delimiter character for multi-element lists. |
LogDestination | Specifies the debug log destination. |
LogDetails | Specifies the debug log details to dump. |
LogFile | Specifies the debug log filename. |
LogFilters | Specifies the debug log filters. |
LogFlushMode | Specifies the log flush mode. |
LogLevel | Specifies the debug log level. |
LogMaxEventCount | Specifies the maximum number of events to cache before further action is taken. |
LogRotationMode | Specifies the log rotation mode. |
MaxASN1BufferLength | Specifies the maximal allowed length for ASN.1 primitive tag data. |
MaxASN1TreeDepth | Specifies the maximal depth for processed ASN.1 trees. |
OCSPHashAlgorithm | Specifies the hash algorithm to be used to identify certificates in OCSP requests. |
OldClientSideRSAFallback | Specifies whether the SSH client should use a SHA1 fallback. |
ProductVersion | Returns the version of the SecureBlackbox library. |
ServerSSLDHKeyLength | Sets the size of the TLS DHE key exchange group. |
StaticDNS | Specifies whether static DNS rules should be used. |
StaticIPAddress[domain] | Gets or sets an IP address for the specified domain name. |
StaticIPAddresses | Gets or sets all the static DNS rules. |
Tag | Allows to store any custom data. |
TLSSessionGroup | Specifies the group name of TLS sessions to be used for session resumption. |
TLSSessionLifetime | Specifies lifetime in seconds of the cached TLS session. |
TLSSessionPurgeInterval | Specifies how often the session cache should remove the expired TLS sessions. |
UseInternalRandom | Switches between SecureBlackbox-own and platform PRNGs. |
UseLegacyAdESValidation | Enables legacy AdES validation mode. |
UseOwnDNSResolver | Specifies whether the client components should use own DNS resolver. |
UseSharedSystemStorages | Specifies whether the validation engine should use a global per-process copy of the system certificate stores. |
UseSystemNativeSizeCalculation | An internal CryptoAPI access tweak. |
UseSystemOAEPAndPSS | Enforces or disables the use of system-driven RSA OAEP and PSS computations. |
UseSystemRandom | Enables or disables the use of the OS PRNG. |
MultipartMessage Property (Utils Component)
Lists the content of the multipart message.
Syntax
public MultipartMessagePartList MultipartMessage { get; }
Public Property MultipartMessage As MultipartMessagePartList
Remarks
This property provides access to all parts contained in or to be added to the multipart message.
This property is not available at design time.
Please refer to the MultipartMessagePart type for a complete list of fields.NameValuePairs Property (Utils Component)
A current list of (name, value) pairs.
Syntax
public StringNameValuePairList NameValuePairs { get; }
Public ReadOnly Property NameValuePairs As StringNameValuePairList
Remarks
Use this property to access the elements of the (name, value) pair list. Use LoadNameValuePairs and SaveNameValuePairs methods to serialize and deserialize the list to a string, and methods such as SetValueByName or RemoveNameValuePair to manage the list.
This property is read-only and not available at design time.
Please refer to the StringNameValuePair type for a complete list of fields.AddPartFromBytes Method (Utils Component)
Adds a new part to MultipartMessage from the specified byte array.
Syntax
Remarks
The method adds a new part to MultipartMessage list with the specified data as the part's content.
Returns the index of the added part.
AddPartFromFile Method (Utils Component)
Adds a new part to MultipartMessage from the specified file.
Syntax
Remarks
The method adds a new part to MultipartMessage list with the specified file data as the part's content.
Returns the index of the added part.
AddPartFromStream Method (Utils Component)
Adds a new part to MultipartMessage from the provided stream.
Syntax
public int AddPartFromStream(System.IO.Stream stream, bool closeStream);
Public Function AddPartFromStream(ByVal Stream As System.IO.Stream, ByVal CloseStream As Boolean) As Integer
Remarks
The method adds a new part to MultipartMessage with the provided stream data as the part's content. CloseStream specifies if the stream should be closed when the part is deleted or the multipart message is cleared.
Returns the index of the added part.
Base64Decode Method (Utils Component)
Decodes a base64 string to a byte array.
Syntax
Remarks
Use this method to decode a base64-encoded string to a byte array.
The UseURLEncoding parameter specifies whether the URL-Base64 modification should be used when decoding the string.
byte[] arr = utils.Base64Decode("SGVsbG8sIHdvcmxkIQ==", false);
Base64Encode Method (Utils Component)
Encodes a byte array in base64.
Syntax
Remarks
Use this method to encode binary data contained in Bytes to a base64 string.
The UseURLEncoding parameter specifies whether additional URL encoding should be applied to the resulting string (with + and / characters
replaced with - and _, respectively).
string encoded = utils.Base64Encode(buf, false);
Base64EncodeLines Method (Utils Component)
Encodes the Bytes array containing binary data to a multi-line Base64.
Syntax
Remarks
Use this method to encode large amounts of binary data to multi-line base64 strings. Use LineLen parameter to provide the maximal length of each base64 line.
Config Method (Utils Component)
Sets or retrieves a configuration setting.
Syntax
Remarks
Config is a generic method available in every component. It is used to set and retrieve configuration settings for the component.
These settings are similar in functionality to properties, but they are rarely used. In order to avoid "polluting" the property namespace of the component, access to these internal properties is provided through the Config method.
To set a configuration setting named PROPERTY, you must call Config("PROPERTY=VALUE"), where VALUE is the value of the setting expressed as a string. For boolean values, use the strings "True", "False", "0", "1", "Yes", or "No" (case does not matter).
To read (query) the value of a configuration setting, you must call Config("PROPERTY"). The value will be returned as a string.
DateToString Method (Utils Component)
Converts a variable of Date type to the respective string representation.
Syntax
Remarks
Use this method to convert a value of a platform date type to a string representation accepted by various SecureBlackbox methods and properties.
DoAction Method (Utils Component)
Performs an additional action.
Syntax
Remarks
DoAction is a generic method available in every component. It is used to perform an additional action introduced after the product major release. The list of actions is not fixed, and may be flexibly extended over time.
The unique identifier (case insensitive) of the action is provided in the ActionID parameter.
ActionParams contains the value of a single parameter, or a list of multiple parameters for the action in the form of PARAM1=VALUE1;PARAM2=VALUE2;....
GetErrorDescription Method (Utils Component)
Returns an error description by an error code.
Syntax
Remarks
Use this method to get a human readable description of an error by its code. Returns an empty string if the error code is not recognized.
GetLocalDNSName Method (Utils Component)
Returns the DNS name of the local system.
Syntax
Remarks
Use this property to get the registered DNS or network name of the local system.
GetLocalIP Method (Utils Component)
Returns the primary IP address of the local system.
Syntax
Remarks
Use this method to obtain the default IP address of the local system.
GetLocalIPs Method (Utils Component)
Returns a list of local IP addresses.
Syntax
Remarks
Use this method to request a list of all local IP addresses available in the system. Set IPv4 and IPv6 as required to filter IPv4 and IPv6 interfaces in or out respectively.
GetPartToBytes Method (Utils Component)
Saves the data from the specified part to a byte array.
Syntax
Remarks
Use this method to store the data of the specified part to a byte array.
Index must be greater than or equal to 0, and less than the part count.
GetPartToFile Method (Utils Component)
Saves the data from the specified part to a file.
Syntax
Remarks
Use this method to store the data of the specified part to a file.
Index must be greater than or equal to 0, and less than the part count.
GetPartToStream Method (Utils Component)
Saves the data from the specified part to a stream.
Syntax
public void GetPartToStream(int index, System.IO.Stream stream);
Public Sub GetPartToStream(ByVal Index As Integer, ByVal Stream As System.IO.Stream)
Remarks
Use this method to store the data of the specified part to a stream.
Index must be greater than or equal to 0, and less than the part count.
GetRemoteIP Method (Utils Component)
Gets the IP address of a remote host.
Syntax
Remarks
Use this property to resolve the address of a remote host using the provided DNS settings. Set IPv6 to true to force resolution of both IPv4 and IPv6 addresses.
Use the Timeout setting to specify maximal resolution time, and the DNSServer parameter to list the addresses of DNS servers to use for address resolution. Separate individual servers in the list with commas or semicolons. If an empty server list is provided, the component will use the list of servers configured in the system.
Use one of the below DNS modes:
dmAuto | 0 |
dmPlatform | 1 |
dmOwn | 2 |
dmOwnSecure | 3 |
GetRemoteIPs Method (Utils Component)
Resolves IP addresses available for a hostname.
Syntax
Remarks
Use this method to resolve all IP addresses available for the chosen hostname using the provided DNS settings. Use the Timeout setting to specify maximal resolution time. The DNSServer parameter lists the addresses of DNS servers to use for address resolution, separated with commas or semicolons. If an empty server list is provided, the component will use the list of servers configured in the system.
Use one of the below DNS modes:
dmAuto | 0 |
dmPlatform | 1 |
dmOwn | 2 |
dmOwnSecure | 3 |
GetValueByName Method (Utils Component)
Returns the value from the (name, value) pair list for the requested name.
Syntax
Remarks
Use this method to obtain a matching value for the requested Name in the NameValuePairs list.
HexDecode Method (Utils Component)
Decodes a hex-encoded string into a byte array.
Syntax
Remarks
Use this method to decode hex- (base16-) encoded strings to byte arrays.
byte[] buf = utils.HexDecode("48656C6C6F2C20776F726C6421");
HexEncode Method (Utils Component)
Encodes a byte array to hex string.
Syntax
Remarks
Use this method to encode a byte array, passed as Bytes, to a hex (base16) string.
IndexOfName Method (Utils Component)
Returns the index of the (name, value) pair in the list for the requested Name.
Syntax
Remarks
Use this method to obtain the index of the (Name, Value) object in NameValuePairs list.
LoadMultipartFromBytes Method (Utils Component)
Loads a multipart message from the specified byte array to MultipartMessage .
Syntax
Remarks
Use this method to load a multipart message from a byte array to MultipartMessage. You need to provide the content of the Content-Type header field together with the multipart body stored in the byte array.
After the data is loaded, you can get the data of each part by calling GetPartToBytes/GetPartToFile/GetPartToStream methods.
While loading data, the parts data is stored in temporary files/streams. If the TempPath config property is not empty, the parts data is stored to temporary files in that folder, otherwise the data is stored in memory streams.
LoadMultipartFromFile Method (Utils Component)
Loads a multipart message from the specified file to MultipartMessage .
Syntax
Remarks
Use this method to load a multipart message from a file to MultipartMessage. You need to provide the content of the Content-Type header field together with the multipart body stored in the file.
After the file is loaded, you can get the data of each part by calling GetPartToBytes/GetPartToFile/GetPartToStream methods.
While loading data, the parts data is stored in temporary files/streams. If the TempPath config property is not empty, the parts data is stored to temporary files in that folder, otherwise the data is stored in memory streams.
LoadMultipartFromStream Method (Utils Component)
Loads a multipart message from the specified stream to MultipartMessage .
Syntax
public void LoadMultipartFromStream(string contentType, System.IO.Stream stream);
Public Sub LoadMultipartFromStream(ByVal ContentType As String, ByVal Stream As System.IO.Stream)
Remarks
Use this method to load a multipart message from a stream to MultipartMessage. You need to provide the content of the Content-Type header field together with the multipart body stored in the stream.
After the stream is loaded, you can get the data of each part by calling GetPartToBytes/GetPartToFile/GetPartToStream methods.
While loading data, the parts data is stored in temporary files/streams. If the TempPath config property is not empty, the parts data is stored to temporary files in that folder, otherwise the data is stored in memory streams.
LoadNameValuePairs Method (Utils Component)
Loads a list of (name, value) pairs from a string.
Syntax
Remarks
Use this method to load a list of (name, value) pairs to NameValuePairs from a string. Provide one of the known formats via Format, and optionally pass the separators using NameValueSeparator and PairSeparator parameters.
The following pre-defined pair list formats are currently supported:
- rdn: a textual distinguished name encoding (/C=US/S=NC/O=Big Company)
- rdnbinary: a hex-encoded DER encoding of the ASN.1 RelativeDistinguishedName object
OidToString Method (Utils Component)
Converts a binary-encoded ASN.1 OID to its string representation.
Syntax
Remarks
Use this method to convert binary-encoded OIDs (object identifiers) to their dotted string representations.
byte[] oid_bin = new byte[] { 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x01, 0x06 };
string oid_str = utils.OidToString(oid_bin);
Console.WriteLine(oid_str); // prints 2.16.840.1.101.3.4.1.6
RemoveNameValuePair Method (Utils Component)
Remove a (name, value) pair by name.
Syntax
Remarks
Use this method to remove the (Name, Value) pair from the NameValuePairs list.
Reset Method (Utils Component)
Resets the component settings.
Syntax
public void Reset();
Public Sub Reset()
Remarks
Reset is a generic method available in every component.
SaveMultipartContentType Method (Utils Component)
Returns the value for Content-Type field.
Syntax
Remarks
Call this method to get a value for Content-Type field after calling SaveMultipartToBytes or SaveMultipartToFile or SaveMultipartToStream.
SaveMultipartToBytes Method (Utils Component)
Saves the parts contained in MultipartMessage to a byte array.
Syntax
Remarks
Use this method to store MultipartMessage to a temporary byte array.
Supported values for MultipartMode are:
hmmFormData | 0 | The multipart message contains form data (content type is multipart/form-data) |
hmmRelated | 1 | The multipart message contains related parts (content type is multipart/related) |
To send the stored data to an HTTP server, follow the steps below:
- Call SaveMultipartContentType method and assign the returned value to ContentType field of RequestParameters> property
- Call PostBytes> method and pass the array to it
SaveMultipartToFile Method (Utils Component)
Saves the parts contained in MultipartMessage to the file.
Syntax
Remarks
Use this method to store MultipartMessage to a temporary file.
Supported values for MultipartMode are:
hmmFormData | 0 | The multipart message contains form data (content type is multipart/form-data) |
hmmRelated | 1 | The multipart message contains related parts (content type is multipart/related) |
To send the stored data to an HTTP server, follow the steps below:
- Call SaveMultipartContentType method and assign the returned value to ContentType field of RequestParameters> property
- Call PostFile> method and pass the filename to it
SaveMultipartToStream Method (Utils Component)
Saves the parts contained in MultipartMessage to the stream.
Syntax
public void SaveMultipartToStream(int multipartMode, System.IO.Stream stream);
Public Sub SaveMultipartToStream(ByVal MultipartMode As Integer, ByVal Stream As System.IO.Stream)
Remarks
Use this method to store MultipartMessage to a temporary stream.
Supported values for MultipartMode are:
hmmFormData | 0 | The multipart message contains form data (content type is multipart/form-data) |
hmmRelated | 1 | The multipart message contains related parts (content type is multipart/related) |
To send the stored data to an HTTP server, follow the steps below:
- Call SaveMultipartContentType method and assign the returned value to ContentType field of RequestParameters> property
- Call PostStream> method and pass the stream to it
SaveNameValuePairs Method (Utils Component)
Serializes the (name, value) pair list to a string.
Syntax
Remarks
Use this method to save the contents of NameValuePairs to a string. Provide the desired format through the Format parameter, and entry separators (if required) via NameValueSeparator and PairSeparator parameters.
The following pre-defined pair list formats are currently supported:
- rdn: a textual distinguished name encoding (/C=US/S=NC/O=Big Company)
- rdnbinary: a hex-encoded DER encoding of the ASN.1 RelativeDistinguishedName object
SetValueByName Method (Utils Component)
Adds or updates the (name, value) pair by a name.
Syntax
Remarks
This method updates the existing (Name, Value) pair with a new value, or adds a new pair if no such pair existed in NameValuePairs list.
StringDecode Method (Utils Component)
Converts a byte array to a string using a chosen encoding.
Syntax
Remarks
Use this method to convert a byte array to a string using the required text encoding. The following encodings are currently supported: utf-8, utf16.
Leave Encoding empty to use the default code page configured in the system.
StringEncode Method (Utils Component)
Encodes a string to a byte array using a chosen character encoding.
Syntax
Remarks
Use this method to convert a string to a byte array using the provided text encoding. The following encodings are currently supported: utf-8, utf16.
Leave Encoding empty to use the default code page configured in the system.
StringToDate Method (Utils Component)
Converts a date represented by a string to a respective Date object.
Syntax
Remarks
Use this method to convert a date string that you obtained from a SecureBlackbox component property or method to a platform date object.
StringToOid Method (Utils Component)
Converts string OID representation to an ASN.1 byte array
Syntax
Remarks
Use this method to convert an OID represented with a dotted string to the respective ASN.1 representation.
string oid_str = "2.16.840.1.101.3.4.1.6";
byte[] oid_buf = utils.StringToOid(oid_str);
UrlDecode Method (Utils Component)
Decodes a URLEncoded string back into its original form.
Syntax
Remarks
Use this method to decode the URLEncoded Value back to its original representation.
UrlEncode Method (Utils Component)
Encodes the provided string using URLEncode.
Syntax
Remarks
Use this method to encode Value using URL Encoding (percent encoding), as defined in RFC 3986.
Error Event (Utils Component)
Informs about errors during cryptographic operations.
Syntax
public event OnErrorHandler OnError; public delegate void OnErrorHandler(object sender, UtilsErrorEventArgs e); public class UtilsErrorEventArgs : EventArgs { public int ErrorCode { get; } public string Description { get; } }
Public Event OnError As OnErrorHandler Public Delegate Sub OnErrorHandler(sender As Object, e As UtilsErrorEventArgs) Public Class UtilsErrorEventArgs Inherits EventArgs Public ReadOnly Property ErrorCode As Integer Public ReadOnly Property Description As String End Class
Remarks
Component fires this event if an error happens during a cryptographic operation.
ErrorCode contains an error code and Description contains a textual description of the error that happened.
Notification Event (Utils Component)
This event notifies the application about an underlying control flow event.
Syntax
public event OnNotificationHandler OnNotification; public delegate void OnNotificationHandler(object sender, UtilsNotificationEventArgs e); public class UtilsNotificationEventArgs : EventArgs { public string EventID { get; } public string EventParam { get; } }
Public Event OnNotification As OnNotificationHandler Public Delegate Sub OnNotificationHandler(sender As Object, e As UtilsNotificationEventArgs) Public Class UtilsNotificationEventArgs Inherits EventArgs Public ReadOnly Property EventID As String Public ReadOnly Property EventParam As String End Class
Remarks
The component fires this event to let the application know about some event, occurrence, or milestone in the component. For example, it may fire to report completion of the document processing. The list of events being reported is not fixed, and may be flexibly extended over time.
The unique identifier of the event is provided in the EventID parameter. EventParam contains any parameters accompanying the occurrence. Depending on the type of the component, the exact action it is performing, or the document being processed, one or both may be omitted.
MultipartMessagePart Type
Represents a part of a multipart message transferred over HTTP.
Remarks
This type contains all information about a single part in a multipart message.
Fields
ContentDescription
string
Default: ""
Provides a description for the part (Content-Description header field)
ContentDisposition
string
Default: ""
Specifies the disposition of the part (Content-Disposition header field)
ContentID
string
Default: ""
Specifies the ID of the part (Content-ID header field)
ContentTransferEncoding
string
Default: ""
Specifies the transfer encoding for the part (Content-Transfer-Encoding header field)
ContentType
string
Default: ""
Specifies the content type of the part (Content-Type header field)
CustomHeaders
string
Default: ""
Assign any custom HTTP headers to be added to the part header.
FieldName
string
Default: ""
Specifies the field name of the form part (name parameter in Content-Disposition header field).
FieldValue
string
Default: ""
Specifies the field value of the form part (the part's content).
FileName
string
Default: ""
Specifies the filename for the form part (filename parameter in Content-Disposition header field).
Constructors
public MultipartMessagePart();
Public MultipartMessagePart()
Creates a new part of multipart message.
StringNameValuePair Type
A simple name-value pair object.
Remarks
The component represents a name-value string pair used in a variety of network components.
Fields
Category
string
Default: ""
Specifies the string category of the contained value.
This property allows to check or set the category (or type) associated with the contained value. Depending on the format used to load or save the string, the category parameter may or may not be used.
For example, for ASN.1 property lists the category contains the ASN.1 tag of the contained data (OCTETSTRING, UTF8STRING, INTEGER, ...). For basic (name, value) pairs, such as HTTP headers, the category parameter is not used.
Format
int
Default: 0
Specifies the format (encoding) of the value contained in the Value property.
Use this property to check or set the format of the contained value. Remember to provide the actual value in the appropriate
format that matches this setting:
utils.NameValuePairs[0].Name = "key";
utils.NameValuePairs[0].Format = svfBinary;
utils.NameValuePairs[0].Name = "0a1b2c3d4e5f6071";
The following formats are currently supported:
svfText | 0 | The property contains text |
svfBinary | 1 | The property contains binary data. The Value property contains a hex encoding of it. |
Name
string
Default: ""
The name element in a (name, value) pair.
Value
string
Default: ""
The value element in a (name, value) pair.
Constructors
public StringNameValuePair(string name, string value);
Public StringNameValuePair(ByVal Name As String, ByVal Value As String)
Creates a name-value pair from a name and a value.
public StringNameValuePair();
Public StringNameValuePair()
Creates an empty name-value object.
Config Settings (Utils Component)
The component accepts one or more of the following configuration settings. Configuration settings are similar in functionality to properties, but they are rarely used. In order to avoid "polluting" the property namespace of the component, access to these internal properties is provided through the Config method.Utils Config Settings
Base Config Settings
You can switch this property off to improve performance if your project only uses known, good private keys.
Supported values are:
off | No caching (default) | |
local | Local caching | |
global | Global caching |
This setting only applies to sessions negotiated with TLS version 1.3.
Supported values are:
file | File | |
console | Console | |
systemlog | System Log (supported for Android only) | |
debugger | Debugger (supported for VCL for Windows and .Net) |
Supported values are:
time | Current time | |
level | Level | |
package | Package name | |
module | Module name | |
class | Class name | |
method | Method name | |
threadid | Thread Id | |
contenttype | Content type | |
content | Content | |
all | All details |
Supported filter names are:
exclude-package | Exclude a package specified in the value | |
exclude-module | Exclude a module specified in the value | |
exclude-class | Exclude a class specified in the value | |
exclude-method | Exclude a method specified in the value | |
include-package | Include a package specified in the value | |
include-module | Include a module specified in the value | |
include-class | Include a class specified in the value | |
include-method | Include a method specified in the value |
none | No flush (caching only) | |
immediate | Immediate flush (real-time logging) | |
maxcount | Flush cached entries upon reaching LogMaxEventCount entries in the cache. |
Supported values are:
none | None (by default) | |
fatal | Severe errors that cause premature termination. | |
error | Other runtime errors or unexpected conditions. | |
warning | Use of deprecated APIs, poor use of API, 'almost' errors, other runtime situations that are undesirable or unexpected, but not necessarily "wrong". | |
info | Interesting runtime events (startup/shutdown). | |
debug | Detailed information on flow of through the system. | |
trace | More detailed information. |
The default value of this setting is 100.
none | No rotation | |
deleteolder | Delete older entries from the cache upon reaching LogMaxEventCount | |
keepolder | Keep older entries in the cache upon reaching LogMaxEventCount (newer entries are discarded) |
Supported values are:
none | No static DNS rules (default) | |
local | Local static DNS rules | |
global | Global static DNS rules |
This setting only applies to certificates originating from a Windows system store.
Trappable Errors (Utils Component)
Utils Errors
1048577 | Invalid parameter (SB_ERROR_INVALID_PARAMETER) |
1048578 | Invalid configuration (SB_ERROR_INVALID_SETUP) |
1048579 | Invalid state (SB_ERROR_INVALID_STATE) |
1048580 | Invalid value (SB_ERROR_INVALID_VALUE) |
1048581 | Private key not found (SB_ERROR_NO_PRIVATE_KEY) |
1048582 | Cancelled by the user (SB_ERROR_CANCELLED_BY_USER) |
1048583 | The file was not found (SB_ERROR_NO_SUCH_FILE) |
1048584 | Unsupported feature or operation (SB_ERROR_UNSUPPORTED_FEATURE) |
1048585 | General error (SB_ERROR_GENERAL_ERROR) |