DER Signature | PRo100PY

DER Signature 00303

DER (Distinguished Encoding Rules) Signature is a data structure used in cryptography and digital signatures to represent electronic signatures. It defines the format of signatures that allows you to verify the authorship of a document and its integrity. DER Signature contains information about the secret key as well as the data that is being signed. DER Signature is a standard format in many cryptographic systems, including blockchain and data encryption.

Characteristics:

[Category] <-------------------------------------------> [Blockchain Creatione]
[Creator] <-----------------------------------------------------> [InNotSystem13]
[Project] <---------------------------------------------------> [DER Signature]
[Identifier] <--------------------------------------------------------> [00303]
[Contract] <------------> [0x86E926fEB6e2Fe2562fe9C558347a4b785f60c8C]
[Chain] <---------------------------------------------------------> [BSC Chain]
[Type] <----------------------------------------------------> [Application]

Binance Smart Chain (BSC)

Price: 1 USDT

Video instruction

“In order to start creating something exclusive, you don’t need any special knowledge or skills, you just need to be able to COPY and PASTE - it’s like with a girl, you just need to undress and paste!”

3 Simple steps to get started 🚀

Install Python: If you don't already have it, download and install Python from the official website. Python supports various operating systems, and you can choose the version that suits your computer.

Install PyCharm: Download and install the PyCharm IDE to make creating your application easier. You can find a free version of PyCharm Community Edition that is good to get started.

Copy Code: Open the PyCharm development environment, create a new project. Copy and paste the code into the window, click the Start button, you have launched your project. Use this code or other codes from the Metaverse to create something global and worthwhile!

Try just copying your first code and creating an application

In just 1 minute

    r = 0x37206a0610995c58074999c8976787af4c4978d868c06e8ebe81d282047a7cb
    s = 0x8ca63759c1157ebeaec0d03cecca119fc9a75bf8ebd0fa65c84c8e2738cdaec

    # Converting r and s to bytes
    r_bytes = r.to_bytes((r.bit_length() + 7) // 8, byteorder='big')
    s_bytes = s.to_bytes((s.bit_length() + 7) // 8, byteorder='big')

    # Calculating lengths
    r_length = len(r_bytes)
    s_length = len(s_bytes)
    total_length = r_length + s_length + 4

    # Creating the DER representation of the signature
    der_signature = bytes([0x30, total_length, 0x02, r_length]) + r_bytes + bytes([0x02, s_length]) + s_bytes

    # Output the DER representation
    print("DER Signature:", der_signature.hex())




    # pip install ecdsa

Copy the code, paste it into PyCharm, press the start button

Smart-Contract #000-00000000000008 0x86E926fEB6e2Fe2562fe9C558347a4b785f60c8C

successfully created

Message to the community from the creator: DER Signature is widely used in blockchain technology for signing and verifying transactions and smart contracts. This format ensures the security and integrity of blockchain networks by allowing participants to sign and verify transactions.