15 Cryptographic API Function

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CryptVerifySignature

The CryptVerifySignature function is used to verify a signature against a hash object....
Hits: 1810 Rating: CryptVerifySignature has been rated 3.11 by 272 users

(3.11) votes 272

The CryptSignHash function is used to sign a piece of data. Because all signature algorithms are asymmetric and thus incredibly slow, CryptoAPI will not let data be signed directly. Instead, you must first hash the data and then use CryptSignHash to sign the hash value....
Hits: 1833 Rating: CryptSignHash has been rated 3.14 by 264 users

CryptSignHash has been rated 3.14 by 264 users

(3.14) votes 264

CryptReleaseContext

The CryptReleaseContext function is used to release a handle to a CSP and a key container....
Hits: 1607 Rating: CryptReleaseContext has been rated 3.23 by 272 users

(3.23) votes 272

CryptHashData

The CryptHashData function is used to compute the cryptographic hash on a stream of data. This function and CryptHashSessionKey can be called multiple times to compute the hash on long streams or on discontinuous streams....
Hits: 1665 Rating: CryptHashData has been rated 2.93 by 261 users

(2.93) votes 261

CryptGetUserKey

The CryptGetUserKey function retrieves a handle to a permanent user key pair, such as the user’s signature key pair....
Hits: 1720 Rating: CryptGetUserKey has been rated 2.95 by 324 users

(2.95) votes 324

CryptGetProvParam

The CryptGetProvParam function lets applications retrieve parameters that govern the operations of a CSP....
Hits: 1756 Rating: CryptGetProvParam has been rated 2.98 by 360 users

(2.98) votes 360

CryptGenKey

The CryptGenKey function generates random cryptographic keys for use with the CSP module. A handle to the key is returned in phKey. This handle can then be used as needed with any of the other CryptoAPI functions requiring key handles....
Hits: 1792 Rating: CryptGenKey has been rated 3.09 by 230 users

(3.09) votes 230

CryptExportKey

The CryptExportKey function is used to export cryptographic keys out of a cryptographic service provider in a secure manner....
Hits: 1721 Rating: CryptExportKey has been rated 3.02 by 204 users

(3.02) votes 204

CryptEncrypt

The CryptEncrypt function is used to encrypt data. The algorithm used to encrypt the data is designated by the key held by the CSP module, which is referenced by the hKey parameter....
Hits: 2344 Rating: CryptEncrypt has been rated 2.97 by 318 users

(2.97) votes 318

CryptDestroyKey

The CryptDestroyKey function releases the handle referenced by the hKey parameter. Once a key handle has been released, it becomes invalid and cannot be used again....
Hits: 1709 Rating: CryptDestroyKey has been rated 2.97 by 357 users

(2.97) votes 357

CryptDestroyHash

The CryptDestroyHash function destroys the hash object referenced by the hHash parameter. Once a hash object has been destroyed, it can no longer be used and its handle is useless from then on....
Hits: 1144 Rating: CryptDestroyHash has been rated 3.07 by 189 users

(3.07) votes 189

CryptDeriveKey

The CryptDeriveKey function generates cryptographic keys derived from base data. This function guarantees that all keys generated from the same base data will be identical, provided the same CSP and algorithms are used....
Hits: 1548 Rating: CryptDeriveKey has been rated 3.08 by 244 users

(3.08) votes 244

CryptDecrypt

The CryptDecrypt function is used to decrypt data that was previously encrypted via the CryptEncrypt function....
Hits: 1416 Rating: CryptDecrypt has been rated 3.23 by 155 users

(3.23) votes 155

CryptCreateHash

The CryptCreateHash function is used to initiate the hashing of a stream of data. It returns to the caller a handle to a CSP hash object....
Hits: 1512 Rating: CryptCreateHash has been rated 3.03 by 173 users

(3.03) votes 173

CryptAcquireContext

The CryptAcquireContext function is used to acquire a handle to a particular key container within a particular CSP. This returned handle can then be used to make calls to the selected CSP....
Hits: 2017 Rating: CryptAcquireContext has been rated 3.04 by 247 users

(3.04) votes 247

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