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Cryptography Objects

Cryptography objects are categorized according to usage as follows:

Certificate Store Objects

The following objects work with certificate stores and the certificates in those stores. CAPICOM supports the use of Current User, Local Machine, memory, and Active Directory certificate stores.

ObjectDescription
Certificate A single digital certificate.
CertificatePolicies A collection of PolicyInformation objects.
Certificates Collection of Certificate objects.
CertificateStatus Provides status information on a certificate.
Chain Creates and checks a certificate validation chain based on a digital certificate.
ExtendedProperties Represents a collection of ExtendedProperty objects.
ExtendedProperty Represents a Microsoft-extended property.
Extension Represents a single certificate extension.
Extensions Represents a collection of Extension objects.
PrivateKey Represents a private key.
PublicKey Represents a public key in a Certificate object.
Store Provides the properties and methods to choose, manage, and use certificate stores and the certificates in those stores.
Template Represents the certificate extension template of the certificate.

 

Digital Signature Objects

The following objects are exported to digitally sign data and to verify digital signatures.

ObjectDescription
SignedCode Object used to sign code with an Authenticode digital signature and to verify the signature on signed code.
SignedData Object used to sign data and to verify the signature on signed data.
Signer Information on a single data signer, including the signer's certificate.
Signers Collection of Signer objects.

 

Enveloped Data Objects

The following objects are exported to create enveloped data messages for privacy and to decrypt data in enveloped messages.

ObjectDescription
EnvelopedData Objects used to create, send, and receive enveloped data. Enveloped data is encrypted so that only the intended recipients can decrypt it.
Recipients Collection of the Certificate objects of the intended recipients of an enveloped message.

 

Data Encryption Objects

The following object is exported to encrypt arbitrary data for privacy and to decrypt encrypted data.

ObjectDescription
EncryptedData Objects used to encrypt data. Encrypted data in an EncryptedData object can be decrypted.

 

Auxiliary Objects

The following objects are exported to change default behaviors of other objects and to manage certificates, certificate stores, and messages.

ObjectDescription
Algorithm Sets the algorithm and key length to be used in cryptographic operations.
Attribute Provides a single piece of added information about a signature, such as the time of signing.
Attributes Collection of Attribute objects.
BasicConstraints Provides read-only access to basic constraints on the uses of a certificate.
EKU Provides access to EKU properties of certificates.
EKUs Collection of EKU objects.
EncodedData Represents a block of encoded data.
ExtendedKeyUsage Provides read-only access to the extended key usage properties of certificates.
HashedData Provides functionality for applying a hash algorithm to a string.
KeyUsage Provides read-only access to key usage properties of certificates.
NoticeNumbers Represents a collection of Extension objects.
OID Represents an object identifier that is used by several CAPICOM properties.
OIDs Represents a collection of OID objects.
PolicyInformation Provides access to the policy OIDs of an extension.
Qualifier Represents a Certification Practice Statement (CPS) pointer or user notice qualifier.
Qualifiers Represents a collection of qualifiers.
Settings Enables or disables dialog boxes to prompt for signer or sender identity if that identity is not specified.
Utilities Provides functionality for common tasks.

 

Certificate Enrollment Objects

The following object is used for certificate enrollment.

ObjectDescription
CEnroll Object that represents the Certificate Enrollment Control. It is primarily used when programming in Visual Basic or another Automation language.

 

 

 

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