AsnReader.ReadOctetString(Nullable<Asn1Tag>) Method

Definition

Namespace:

System.Formats.Asn1

Assembly:

System.Formats.Asn1.dll

Source:

AsnDecoder.OctetString.cs

Reads the next value as an OCTET STRING with tag UNIVERSAL 4, returning the value in a byte array.

public byte[] ReadOctetString (System.Formats.Asn1.Asn1Tag? expectedTag = default);

member this.ReadOctetString : Nullable<System.Formats.Asn1.Asn1Tag> -> byte[]

Public Function ReadOctetString (Optional expectedTag As Nullable(Of Asn1Tag) = Nothing) As Byte()

Parameters

expectedTag

Nullable<Asn1Tag>

The tag to check for before reading, or null for the default tag (Universal 4).

Returns

Byte[]

A copy of the value in a newly allocated, precisely sized, array.

Exceptions

AsnContentException

The next value does not have the correct tag.

-or-

The length encoding is not valid under the current encoding rules.

-or-

The contents are not valid under the current encoding rules.

ArgumentException

expectedTag.TagClass is Universal, but expectedTag.TagValue is not correct for the method.

See also

• TryReadPrimitiveOctetString(ReadOnlyMemory<Byte>, Nullable<Asn1Tag>)
• TryReadOctetString(Span<Byte>, Int32, Nullable<Asn1Tag>)