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Questions tagged [cryptoapi]

Cryptography API: Application programming interface that enables application developers to add authentication, encoding, and encryption to Windows-based applications. The API are oriented on the developer of unmanaged (native) applications in C/C++.

Cryptography API: Application programming interface that enables application developers to add authentication, encoding, and encryption to Windows-based applications. The API are oriented on the developer of unmanaged (native) applications in C/C++.

Microsoft cryptographic technologies include CryptoAPI, Next Generation (CNG), Cryptographic Service Providers (CSP), CryptoAPI Tools, CAPICOM, WinTrust, issuing and managing certificates, and developing customizable public key infrastructures. Certificate and smart card enrollment, certificate management, and custom module development are also described.

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How can I get current day OHLCV hourly dta from the Coin Market Cap API?

I recently started using the Coin Market Cap API. It has 2 main endpoints that I have been using OHLCV historical and OHLCV Latest. The historical API allows for hourly data but not including data for the current day. The other endpoint gives you…
tlalco
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C# library Binance.NET: get current average coin price

I am using Binance.NET library. It's a wrapper for binance.com api. I want to get the current average price of the Bitcoin. It seems that the library has no method to do it. Yes, it allows to use tickers, but maybe there is a better way?
Boris Makhlin
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How the get N highest numbers?

I have this code and i've to get an aswer that returns me the 10 highest numbers per percent_change_24h from 'r' variable. What method should i use? I've seen max method but that one returns just one value (the highest sure, but only one) …
Non_specificato
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What is a crypto currency application

Recently started looking at cryptocurrency and I'm a little confused at what exactly a cryptocurrency application is and what is a "smart contract". Please correct me if I'm wrong, however, a basic cryptocurrency application would be any normal…
Trevor Atkinson
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AES de/encryption in C and PHP

So this is the code I am using as an example Aes128KeyLength = 128/8; // // Allocate Key buffer // Aes128Key = (PBYTE) HeapAlloc( GetProcessHeap(), 0, Aes128KeyLength); if( NULL == Aes128Key ) { Status =…
NTDLL
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Where can I get a crypto api that converts fiat currency amount to crypto currency value

I am asking if there is any crypto api which can accept a fiat currency of any amount(USD) and can convert the equivalent value to a crypto currency value(BTC,ETH,BCH,LTC).a typical example of what am talking about is google crypto converter.…
Fillipo Sniper
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Always getting same encrypted string with CryptoAPI

Is there a way to get a non-deterministic output from the CryptoAPI? In other words, a different string output when encrypting a string. For example, using CALG_AES_256 when deriving a crypt key with password of 'password' and string to encrypt of…
JeffR
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how to use Cryptocapital API v4, can't find sdk download link

Cryptocapital.co provides API to exchange crypto currency, I want to access their API to integrate with a website, they do have a documentation here - https://api.cryptocapital.co/v4 and they have a sample code as below var key =…
Rishabh Gusain
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OSCP requests randomly appear in webpagetest.org results

When testing website performance with webpagetest.org, eventually some tests contain requests that I did not expect, as they have not been initiated by anything in my code (HTML, CSS, JavaScript). Even more surprisingly, the requesting user agent…
Ingo Steinke
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Cryptographic API vs manually implemented algorithm

I tried to search across the internet, but was unable to find something. So question is: What is better to use? OS provided cryptographic API or manually implemented/library provided algorithms? I know that, when CPU enters in kernel mode after OS…
Inline
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How to verify client cert installed in system

I am trying to implement a multiplatform device/client certificate chck in my app. I want to implement for Windows and Mac, so the common implementation in c++ with few platform specific code. I have OpenSSL integrated too. I have Client cert…
Birajendu
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decrypting encrypted POST parameters

In an encrypted POST request to a web service, I see two important parameters: hmac and ciphertext. Using these, I want to decrypt the ciphertext. How can I do that? Thanks.
Darth.Vader
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.NET RSAKeyValue base64 private key to a single base64 private key

I am supplied the following RSA private key in the format XXXXXXXX XXXXXXXX

XXXXXXXX

XXXXXXXX XXXXXXXX XXXXXXXX …
user2732388
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Cannot able to verify a signed data

Through smart card using a tool, I am signing data "Hello". The output what i am getting is in hex format. 14 5F 65 CE 7C 2D 8A 0A FA B0 FB 86 CE 28 90 84 37 2D 04 63 B2 35 FA 40 4A B6 35 C8 90 AF 55 7F B1 CA FE FD 5B F9 1B 7C DB 74 63 BF 16 5B B3…
Ankit
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any providers have SUI Mainnet already?

I am keen to know which RPC Node providers currently support SUI Mainnet. I am aware that GetBlock plans to add this in the near future, but I am curious if any other providers have already implemented it. Have information about GetBlock because I…
Charly El
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