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API system for RSA Code Signing in PHP


I need a system that allows:

1. User uploading an excel spreadsheet containing list of items to be code signed

2. generate a Hash function on the item string and retrieve the information digest of the item to be code signed

3. Code sign the hash digest using RSA private key

4. install the above scripts as an API system in client server that communicates with the main root server.

-> Graphic user interface will be provided and a step by step guide in flow chart will be shown.

Please bid for this project only if you know how to perform cryptography functions, such as using openssl libraries. All the encryption and decryption functions are provided at [url removed, login to view] If you are comfortable or have worked on prior project that does the function from the above link, then you should find the project comfortably easy to manage.

Let me know your background, whether you have cryptography, php, sql database knowledge. You should be familiar with the following subject fields:

1. RSA public and private key

2. .P12 and .pem file format

3. Hash function, ie. sha1()

4. Encryption and decryption using RSA (Or code Signing using private key)

5. Installation of API system

Kĩ năng: Mật mã, PHP, Thiết lập Bản thảo, SQL, An ninh Web

Xem nhiều hơn: code signing php, subject php, string hash, project list in php, php manual, php main functions, how to find flow, how code, hash string, find code, rsa server installation, Sql code, spreadsheet API, rsa, openssl, find root, decryption, code signing, api key, api interface using c, format php code, php sql code, net sign file, php flow system, php server api

Về Bên Thuê:
( 1 Nhận xét ) London, United Kingdom

ID dự án: #1651285

Được trao cho:


Hi, I am expert in PKI, OpenSSL and have solid background in network security. Please see PM for my bid. Thanks

$1400 USD trong 15 ngày
(2 Đánh Giá)

6 freelancer đang chào giá trung bình $1247 cho công việc này


I can deliver the project

$1280 USD trong 25 ngày
(82 Nhận xét)

Dear Customer! I am an expert web developer with over 6 years of experience and very interested in this project. Ready to start immediately and finish as soon as possible. My bid is for fast professional service exc Thêm

$1100 USD trong 10 ngày
(144 Nhận xét)

Dear Sir/ Madam This is regarding the job posting on this site. I am interested to apply for the same. Here i provide you with brief details of my educational background, work experience and skills. I hold a mas Thêm

$1200 USD trong 15 ngày
(34 Nhận xét)

I am familiar at RSA mechan . I work with amazone private regularly.

$1000 USD trong 7 ngày
(34 Nhận xét)

I hold a Bachelor's Degree in IT Security wherein I have completed implementation of advanced encryption and signature schemes in C using the GNU Multi-precision library. I also have significant academic experience Thêm

$1500 USD trong 21 ngày
(0 Nhận xét)