Cryptography - All-in-one Encryption, Decryption, Hashing and Signing

Author: bowenliang123

Github Repository: https://github.com/bowenliang123/cryptography

Dify Marketplace: https://marketplace.dify.ai/plugins/bowenliang123/cryptography

Description

This Dify plugin cryptography provides tools for Encryption, Decryption, Hashing and Signing with Cryptography library.

Tools and Usage

Category	Algorithm	Tools & Features
Hashing	SHA256	SHA256 File checksum (sha256sum)
	MD5	MD5 File checksum (md5sum)
Symmetric Encryption	AES	AES Encryption (aes_encrypt)
		AES Decryption (aes_decrypt)
Asymmetric Encryption	RSA	RSA Keypair Generation (rsa_keygen)
		RSA Encryption (rsa_encrypt)
		RSA Decryption (rsa_decrypt)
Signing and Verification	Ed25519 (using EdDSA and Curve25519)	Ed25519 Keypair Generation (ed25519_keygen)
		Ed25519 Encryption (ed25519_encrypt)
		Ed25519 Decryption (ed25519_decrypt)

Hashing

File Hashing with SHA256

• Tool: sha256sum
• Input:
  • Binary file
• Output:
  • SHA256 hash of the input binary file

File Hashing with MD5

• Tool: md5sum
• Input:
  • Binary file
• Output: MD5 hash of the input binary file

Text Hashing with HMAC

• Tool: hmac_sign
• Input:
  • Plain text for signature
  • Algorithm: HMAC-SHA1, HMAC-SHA256
  • Key: Signature Key
• Output:
  • Signature Text: HMAC signature text in Hex or Base64 format

Symmetric Encryption and Decryption

AES Encryption

• Tool: aes_encrypt
• Input:
  • plain text
  • encryption key text with Base 64 encoded
• Output:
  • text: encrypted ciphertext in Base64 format

AES Decryption

• Tool: aes_decrypt
• Input:
  • ciphertext: encrypted ciphertext with Base 64 encoded
  • decryption key text with Base 64 encoded
• Output:
  • plain text

Asymmetric Encryption and Decryption

RSA KeyPair Generation

• Tool: rsa_keygen
• Input:
  • Key size in bits, default: 2048, allowed values: 1024, 2048, 3072, 4096
• Output:
  • RSA public and private keys in PEM format (PKCS8)
    • public key: public_key.pem
    • private key: private_key.pem

RSA Encryption

• Tool: rsa_encrypt
• Input:
  • plain text
  • RSA public key text (eg. copied from public_key.pem)
• Output:
  • text: encrypted ciphertext in Base64 format

RSA Decryption

• Tool: rsa_decrypt
• Input:
  • encrypted ciphertext in Base64 format
  • RSA private key text (eg. copied from private_key.pem)
• Output:
  • plain text

Signing and Verification

Ed25519 KeyPair Generation

• Tool: ed25519_keygen
• Input:
• Output:
  • Ed25519 public and private keys in PEM format (PKCS8)
    • public key: public_key.pem
    • private key: private_key.pem

Ed25519 Signing

• Tool: ed25519_sign
• Input:
  • plain text
  • Ed25519 private key text (eg. copied from private_key.pem)
• Output:
  • signature: Ed25519 signature text in Base64 format

Ed25519 Verification

• Tool: ed25519_verify
• Input:
  • plain text
  • Ed25519 signature text in Base64 format
  • Ed25519 public key text (eg. copied from public_key.pem)
• Output:
  • True if the signature is valid, False otherwise

Changelog

• 0.3.0:

  • Introduce hmac_sign tools for HMAC signature generation, support HMAC-SHA1 and HMAC-SHA256 algorithms

• 0.2.0:

  • Introduce aes_encrypt and aes_decrypt tools for AES encryption and decryption of Base64 format ciphertext

• 0.1.0:

  • Introduce tools to support Ed25519 signing, varification, keypair generation, including ed25519_keygen, ed25519_sign and ed25519_verify

• 0.0.1:

  • Introduce sha256sum and md5sum tools for hashing the input binary file
  • Introduce rsa_encrypt and rsa_decrypt tools for RSA encryption and decryption of Base64 format ciphertext

License

• Apache License 2.0

Privacy

This plugin collects no data.

All the cryptography operations are completed locally. NO data is transmitted to third-party services.