Cryptography is the study of hiding information. It intersects the disciplines of engineering, computer science and mathematics. Cryptography is involved in securing passwords, access to sensitive material and to computer systems. If your business needs help with cryptography, you can hire freelance cryptography experts to fulfill your tasks. Start by posting your cryptography task today! Zatrudnij użytkownika Cryptographers

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    13 znalezione projekty, cennik w USD

    Nuestra Empresa [zaloguj się, aby wyświetlić URL] necesita personas con conocimientos básicos y avanzados en bitcoin, ethereum, desarrollo en solidity y manejo de intercambios criptomonedas, ICO, IPO, Minería POW Y POS, FINTECH 2.0 y todo lo relacionado con economía digital. Se adjunta libro guía de conocimientos básicos en trading, blockchain y criptoeconomia. ...

    $2150 (Avg Bid)
    $2150 Średnia Oferta:
    6 składanie ofert
    Hill cipher 5 dni left
    ZWERYFIKOWANY

    Encryption of followings message using ALPHABET as keyword Message is : security is only guaranteed against efficient adversaries that run for some feasible amount of time. this means that given enough time (or sufficient computational resources) an attacker may be able to violate security.

    $27 (Avg Bid)
    $27 Średnia Oferta:
    4 składanie ofert

    I want to implement a security algorithm for IoT in Cooja Simulator. Contact for further details.

    $424 (Avg Bid)
    $424 Średnia Oferta:
    2 składanie ofert

    - Full time - Crypto Wallet development experience - Android native developer

    $19 / hr (Avg Bid)
    $19 / hr Średnia Oferta:
    41 składanie ofert
    Python and cryptography 4 dni left
    ZWERYFIKOWANY

    I need a developer who can performed crytography attacks on my encrypted message. To check how much steps or time tooks to break my ciphertext.

    $109 (Avg Bid)
    $109 Średnia Oferta:
    7 składanie ofert

    We are starting new crypto platform and I am currently collecting team. It is open source community project but I need experienced blockchain developer for that team. I will pay initial payment to join in as lead developer and to create coin together with others. When coin and chain is created you should continue and represent platform as lead developer. Platform rewards are paid every month. New...

    $1835 (Avg Bid)
    $1835 Średnia Oferta:
    33 składanie ofert

    We have lots of invoices to be digitally signed using a USB digital signature Token (NOT PFX) from which private key export is restricted. Need a small tool to select the folder, select location of signature and press sign to bulk sign all the documents

    $122 (Avg Bid)
    $122 Średnia Oferta:
    3 składanie ofert
    Information and Network Security 3 dni left
    ZWERYFIKOWANY

    I need help, I have some questions and I need help to solution them with explain and more detail of each step. The documentation that contains explanation (everything should be mentioned in the doc file) Required: Network security expert , Information security expert , Cryptography (all algorithm in encryption plaintext and decryption code) - level high (professional) deadline One day (24 hour)...

    $158 (Avg Bid)
    $158 Średnia Oferta:
    11 składanie ofert

    I need help, I have some questions and I need help to solution them with explain and more detail of each step. The documentation that contains explanation (everything should be mentioned in the doc file) Required: Network security expert , Information security expert , encryption plaintext and decryption code - level high (professional) deadline One day (24 hour), Time is very sensitive Note: I...

    $167 (Avg Bid)
    $167 Średnia Oferta:
    11 składanie ofert

    Need to improve my php Server/c# client AES256 encryption with DH key exchange and an incremental ID salt

    $169 (Avg Bid)
    $169 Średnia Oferta:
    16 składanie ofert
    Python Coding Functions Part B 2 dni left
    ZWERYFIKOWANY

    Budget: $20 CAD Time: 12-24 hours Need to write six functions in python for this part of the project. All testing and function templates will be provided. Should have knowledge in crytography application and implementation.

    $18 (Avg Bid)
    $18 Średnia Oferta:
    9 składanie ofert

    What we need exactly is to create our javascript snippet of code to allow websites to call our api securely with their credentials, here is an example: Paypal encrypt payment buttons with public and private keys, the generated code is javascript but very secure because they encrypt it, please take a look at this link to know more [zaloguj się, aby wyświetlić URL]

    $166 (Avg Bid)
    $166 Średnia Oferta:
    15 składanie ofert
    Creat personal stub encryption 1 dnia left
    ZWERYFIKOWANY

    Creat personal stub encryption

    $157 (Avg Bid)
    $157 Średnia Oferta:
    6 składanie ofert