15 Cryptographic API Function

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CryptVerifySignature

The CryptVerifySignature function is used to verify a signature against a hash object....
Hits: 3116 Rating: CryptVerifySignature has been rated 3.05 by 368 users

(3.05) votes 368

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: 3336 Rating: CryptSignHash has been rated 3.07 by 461 users

CryptSignHash has been rated 3.07 by 461 users

(3.07) votes 461

CryptReleaseContext

The CryptReleaseContext function is used to release a handle to a CSP and a key container....
Hits: 2747 Rating: CryptReleaseContext has been rated 3.18 by 394 users

(3.18) votes 394

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: 3188 Rating: CryptHashData has been rated 2.88 by 424 users

(2.88) votes 424

CryptGetUserKey

The CryptGetUserKey function retrieves a handle to a permanent user key pair, such as the user’s signature key pair....
Hits: 3032 Rating: CryptGetUserKey has been rated 2.95 by 441 users

(2.95) votes 441

CryptGetProvParam

The CryptGetProvParam function lets applications retrieve parameters that govern the operations of a CSP....
Hits: 3196 Rating: CryptGetProvParam has been rated 3.00 by 440 users

(3.00) votes 440

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: 3350 Rating: CryptGenKey has been rated 3.08 by 370 users

(3.08) votes 370

CryptExportKey

The CryptExportKey function is used to export cryptographic keys out of a cryptographic service provider in a secure manner....
Hits: 3265 Rating: CryptExportKey has been rated 2.95 by 522 users

(2.95) votes 522

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: 4530 Rating: CryptEncrypt has been rated 2.90 by 554 users

(2.90) votes 554

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: 2772 Rating: CryptDestroyKey has been rated 2.99 by 471 users

(2.99) votes 471

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: 2123 Rating: CryptDestroyHash has been rated 3.14 by 287 users

(3.14) votes 287

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: 3007 Rating: CryptDeriveKey has been rated 2.98 by 394 users

(2.98) votes 394

CryptDecrypt

The CryptDecrypt function is used to decrypt data that was previously encrypted via the CryptEncrypt function....
Hits: 3508 Rating: CryptDecrypt has been rated 3.12 by 318 users

(3.12) votes 318

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: 3413 Rating: CryptCreateHash has been rated 3.04 by 396 users

(3.04) votes 396

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: 4511 Rating: CryptAcquireContext has been rated 3.03 by 414 users

(3.03) votes 414

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