Platform SDK: Security Glossary

X

X.200
An Open Systems Interconnect (OSI) standard.
X.208
The ITU standard defining ASN.1.
X.209
The ITU standard that defines BER encodings for ASN.1 objects.

See also Basic Encoding Rules.

X.400
The ITU standard that defines message tokens.
X.500
The ITU standard that defines the structure of a global dictionary.
X.509
An internationally recognized standard for certificates that defines their required parts.
X509_ASN_ENCODING
Specifies certificate encoding. Certificate encoding types are stored in the low-order word of a DWORD (value is: 0x00000001).

Functionally the same as CRYPT_ASN_ENCODING.

XOR
Exclusive OR. A Boolean operation that yields true only if one of its operands are true and the other is false. If both operands are the same (either True or False), the operation yields false.