Using Win32 functions in Visual FoxPro Image Gallery
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Cryptography Reference            ..msdn    Add comment
CertCloseStore Closes a certificate store handle and reduces the reference count on the store.
CertFindCertificateInStore Finds the first or next certificate context in a certificate store that matches a search criteria established by the dwFindType and its associated pvFindPara.
CertFreeCertificateContext Frees a certificate context by decrementing its reference count.
CertOpenSystemStore This is a simplified function that opens the most common system certificate store.
CryptAcquireContext The CryptAcquireContext function is used to acquire a handle to a particular key container within a particular cryptographic service provider (CSP). This returned handle is used in calls to CryptoAPI functions that use the selected CSP.
CryptBinaryToString Converts an array of bytes into a formatted string.
CryptCreateHash The CryptCreateHash function initiates the hashing of a stream of data. It creates and returns to the calling application a handle to a CSP hash object.
CryptDecrypt Decrypts data previously encrypted using the CryptEncrypt function.
CryptDeriveKey Generates cryptographic session keys derived from a base data value.
CryptDestroyHash The CryptDestroyHash function destroys the hash object referenced by the hHash parameter. After a hash object has been destroyed, it can no longer be used.
CryptDestroyKey Releases the handle referenced by the hKey parameter. After a key handle has been released, it becomes invalid and cannot be used again.
CryptEncrypt Encrypts data. The algorithm used to encrypt the data is designated by the key held by the CSP module and is referenced by the hKey parameter.
CryptEnumProviders Retrieves the first or next available cryptographic service providers (CSPs). Used in a loop, this function can retrieve in sequence all of the CSPs available on a computer.
CryptEnumProviderTypes Retrieves the first or next types of cryptographic service provider (CSP) supported on the computer. Used in a loop, this function retrieves in sequence all of the CSP types available on a computer.
CryptExportKey Exports a cryptographic key or a key pair from a cryptographic service provider (CSP) in a secure manner.
CryptGenKey Generates a random cryptographic session key or a public/private key pair. A handle to the key or key pair is returned in phKey. This handle can then be used as needed with any CryptoAPI function that requires a key handle.
CryptGenRandom Fills a buffer with cryptographically random bytes.
CryptGetDefaultProvider Finds the default cryptographic service provider (CSP) of a specified provider type. The CSP can be the default for either for the current user or for the computer (LocalMachine).
CryptGetHashParam Retrieves data that governs the operations of a hash object. The actual hash value can be retrieved by using this function.
CryptGetKeyParam Retrieves data that governs the operations of a key.
CryptGetProvParam Retrieves parameters that govern the operations of a cryptographic service provider (CSP).
CryptHashData Adds data to a specified hash object.
CryptImportKey Transfers a cryptographic key from a key BLOB into a cryptographic service provider (CSP).
CryptProtectData Performs encryption on the data in a DATA_BLOB structure. Scoped to local computer, or to user credentials.
CryptReleaseContext The CryptReleaseContext function releases the handle of a cryptographic service provider (CSP) and a key container.
CryptStringToBinary Converts a formatted string into an array of bytes.
CryptUnprotectData Decrypts and does an integrity check of the data in a DATA_BLOB structure. Scoped to local computer, or to user credentials.
WinVerifyTrust Performs a trust verification action on a specified object. The function passes the inquiry to a trust provider that supports the action identifier, if one exists.
Code examples:
CryptoAPI: Collection of Providers class
A class that encrypts and decrypts files using Cryptography API Functions
Generating random cryptographic keys
How to create MD-5 and SHA-1 hash values from a string
Verifying a file using the Authenticode policy provider
How to fill a buffer with random bytes using Cryptography API Functions
How to perform Base64 encoding/decoding using Cryptography API Functions
User Contributed Notes:
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