encryption_utils

Utility class for encryption-related operations.

Code Example

from human_protocol_sdk.encryption import EncryptionUtils

public_key2 = """-----BEGIN PGP PUBLIC KEY BLOCK-----
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=4PJh
-----END PGP PUBLIC KEY BLOCK-----"""

public_key3 = """-----BEGIN PGP PUBLIC KEY BLOCK-----

xjMEZKLMDhYJKwYBBAHaRw8BAQdAufXwhFItFe4j2IuTa3Yc4lZMNAxV/B+k
X8mJ5PzqY4fNFEh1bWFuIDxodW1hbkBobXQuYWk+wowEEBYKAD4FAmSizA4E
CwkHCAkQsGTIZV9ne20DFQgKBBYAAgECGQECGwMCHgEWIQTviv8XOCeYpubG
OoWwZMhlX2d7bQAAYAUA/35sTPhzQjm7uPpSTw2ahUfRijlxfKRWc5p36x0L
NX+mAQCxwUgrbR2ngZOa5E+AQM8tyq8fh1qMvrM5hNeNRNf/Cc44BGSizA4S
CisGAQQBl1UBBQEBB0D8B9TjjY+KyoYR9wUE1tCaCi1N4ZoGFKscey3H5y80
AAMBCAfCeAQYFggAKgUCZKLMDgkQsGTIZV9ne20CGwwWIQTviv8XOCeYpubG
OoWwZMhlX2d7bQAARg0BAMuQnhXzyIbbARtV3dobO7nw+VwCHVs9E7OtzLUi
25TEAP4m0jWfjq8w+0dM9U+/+r1FqMk/q7RU8Ib8HJXUOMaGBw==
=62qY
-----END PGP PUBLIC KEY BLOCK-----"""

encrypted_message = EncryptionUtils.encrypt(
    "MESSAGE",
    [public_key2, public_key3]
)

Module

class human_protocol_sdk.encryption.encryption_utils.EncryptionUtils

Bases: object

A utility class that provides additional encryption-related functionalities.

static encrypt(message, public_keys)

Encrypts a message using the recipient’s public keys.

• Parameters:

  • message (str) – Message to encrypt

  • public_keys (List[str]) – List of armored public keys of the recipients

• Return type: str

• Returns: Armored and encrypted message

• Example:

  from human_protocol_sdk.encryption import EncryptionUtils
  
  public_key2 = """-----BEGIN PGP PUBLIC KEY BLOCK-----
  
  xjMEZKKJZRYJKwYBBAHaRw8BAQdAiy9Cvf7Stb5uGaPWTxhk2kEWgwHI75PK
  JAN1Re+mZ/7NFEh1bWFuIDxodW1hbkBobXQuYWk+wowEEBYKAD4FAmSiiWUE
  CwkHCAkQLJTUgF16PUcDFQgKBBYAAgECGQECGwMCHgEWIQRHZsSFAPBxClHV
  TEYslNSAXXo9RwAAUYYA+gJKoCHiEl/1AUNKZrWBmvS3J9BRAFgvGHFmUKSQ
  qvCJAP9+M55C/K0QjO1B9N14TPsnENaB0IIlvavhNUgKow9sBc44BGSiiWUS
  CisGAQQBl1UBBQEBB0DWVuH+76KUCwGbLNnrTAGxysoo6TWpkG1upYQvZztB
  cgMBCAfCeAQYFggAKgUCZKKJZQkQLJTUgF16PUcCGwwWIQRHZsSFAPBxClHV
  TEYslNSAXXo9RwAA0dMBAJ0cd1OM/yWJdaVQcPp4iQOFh7hAOZlcOPF2NTRr
  1AvDAQC4Xx6swMIiu2Nx/2JYXr3QdUO/tBtC/QvU8LPQETo9Cg==
  =4PJh
  -----END PGP PUBLIC KEY BLOCK-----"""
  
  public_key3 = """-----BEGIN PGP PUBLIC KEY BLOCK-----
  
  xjMEZKLMDhYJKwYBBAHaRw8BAQdAufXwhFItFe4j2IuTa3Yc4lZMNAxV/B+k
  X8mJ5PzqY4fNFEh1bWFuIDxodW1hbkBobXQuYWk+wowEEBYKAD4FAmSizA4E
  CwkHCAkQsGTIZV9ne20DFQgKBBYAAgECGQECGwMCHgEWIQTviv8XOCeYpubG
  OoWwZMhlX2d7bQAAYAUA/35sTPhzQjm7uPpSTw2ahUfRijlxfKRWc5p36x0L
  NX+mAQCxwUgrbR2ngZOa5E+AQM8tyq8fh1qMvrM5hNeNRNf/Cc44BGSizA4S
  CisGAQQBl1UBBQEBB0D8B9TjjY+KyoYR9wUE1tCaCi1N4ZoGFKscey3H5y80
  AAMBCAfCeAQYFggAKgUCZKLMDgkQsGTIZV9ne20CGwwWIQTviv8XOCeYpubG
  OoWwZMhlX2d7bQAARg0BAMuQnhXzyIbbARtV3dobO7nw+VwCHVs9E7OtzLUi
  25TEAP4m0jWfjq8w+0dM9U+/+r1FqMk/q7RU8Ib8HJXUOMaGBw==
  =62qY
  -----END PGP PUBLIC KEY BLOCK-----"""
  
  encrypted_message = EncryptionUtils.encrypt(
      "MESSAGE",
      [public_key2, public_key3]
  )

static get_signed_data(message)

Extracts the signed data from an armored signed message.

• Parameters: message (str) – Armored message

• Return type: str

• Returns: Extracted signed data

• Example:

  from human_protocol_sdk.encryption import Encryption, EncryptionUtils
  
  private_key3 = """-----BEGIN PGP PRIVATE KEY BLOCK-----
  
  xYYEZKLMDhYJKwYBBAHaRw8BAQdAufXwhFItFe4j2IuTa3Yc4lZMNAxV/B+k
  X8mJ5PzqY4f+CQMISyqDKFlj2s/gu7LzRcFRveVbtXvQJ6lvwWEpUgkc0NAL
  HykIe1gLJhsoR+v5J5fXTYwDridyL4YPLJCp7yF1K3FtyOV8Cqg46N5ijbGd
  Gs0USHVtYW4gPGh1bWFuQGhtdC5haT7CjAQQFgoAPgUCZKLMDgQLCQcICRCw
  ZMhlX2d7bQMVCAoEFgACAQIZAQIbAwIeARYhBO+K/xc4J5im5sY6hbBkyGVf
  Z3ttAABgBQD/fmxM+HNCObu4+lJPDZqFR9GKOXF8pFZzmnfrHQs1f6YBALHB
  SCttHaeBk5rkT4BAzy3Krx+HWoy+szmE141E1/8Jx4sEZKLMDhIKKwYBBAGX
  VQEFAQEHQPwH1OONj4rKhhH3BQTW0JoKLU3hmgYUqxx7LcfnLzQAAwEIB/4J
  Awhl3IXvo7mhyuAZwgOcvaH1X9ijw5l/VffBLYBhtmEnvN62iNZPNashQL26
  GOhrAB/v5I1XLacKNrwNP47UVGl/jz014ZBYTPGabhGl2kVQwngEGBYIACoF
  AmSizA4JELBkyGVfZ3ttAhsMFiEE74r/FzgnmKbmxjqFsGTIZV9ne20AAEYN
  AQDLkJ4V88iG2wEbVd3aGzu58PlcAh1bPROzrcy1ItuUxAD+JtI1n46vMPtH
  TPVPv/q9RajJP6u0VPCG/ByV1DjGhgc=
  =uaJU
  -----END PGP PRIVATE KEY BLOCK-----"""
  
  passphrase = "passphrase"
  
  public_key = """-----BEGIN PGP PUBLIC KEY BLOCK-----
  
  xjMEZJ1mYRYJKwYBBAHaRw8BAQdAGLLi15zjuVhD4eUOYR5v40kDyRb3nrkh
  0tO5pPNXBInNFEh1bWFuIDxodW1hbkBobXQuYWk+wowEEBYKAD4FAmSdZmEE
  CwkHCAkQDJeshu98/GUDFQgKBBYAAgECGQECGwMCHgEWIQQZZA1eEqmnaHG7
  F60Ml6yG73z8ZQAAWV0A/j8dVEoSyj5CKmFjF8Ag9sJutn7HLpFMUBbS12Ok
  NDAlAP4/zXDvikWGYEWNvwCKjzszWUtHMtJeMRWkoRyIZ6uRCM44BGSdZmES
  CisGAQQBl1UBBQEBB0D79cQcmIgLka0k/GDJt3ZPIl7mTNPKHT67PACAPfdH
  dwMBCAfCeAQYFggAKgUCZJ1mYQkQDJeshu98/GUCGwwWIQQZZA1eEqmnaHG7
  F60Ml6yG73z8ZQAAtOEA/icsnf6w3eGxLgL7BxUBythzAtq9Di1R3TI8oDxC
  xAPrAQDTbR33OtLbN/vg+3YYzzfsRGEtfwZ7aJEksAvJouegCQ==
  =GU20
  -----END PGP PUBLIC KEY BLOCK-----"""
  
  encryption = Encryption(private_key3, passphrase)
  signed_message = encryption.sign("MESSAGE")
  
  result = EncryptionUtils.get_signed_data(signed_message)

static verify(message, public_key)

Verifies the signature of a message using the corresponding public key.

• Parameters:

  • message (str) – Armored message to verify

  • public_key (str) – Armored public key

• Return type: bool

• Returns: True if the signature is valid, False otherwise

• Example:

  from human_protocol_sdk.encryption import Encryption, EncryptionUtils
  
  private_key3 = """-----BEGIN PGP PRIVATE KEY BLOCK-----
  
  xYYEZKLMDhYJKwYBBAHaRw8BAQdAufXwhFItFe4j2IuTa3Yc4lZMNAxV/B+k
  X8mJ5PzqY4f+CQMISyqDKFlj2s/gu7LzRcFRveVbtXvQJ6lvwWEpUgkc0NAL
  HykIe1gLJhsoR+v5J5fXTYwDridyL4YPLJCp7yF1K3FtyOV8Cqg46N5ijbGd
  Gs0USHVtYW4gPGh1bWFuQGhtdC5haT7CjAQQFgoAPgUCZKLMDgQLCQcICRCw
  ZMhlX2d7bQMVCAoEFgACAQIZAQIbAwIeARYhBO+K/xc4J5im5sY6hbBkyGVf
  Z3ttAABgBQD/fmxM+HNCObu4+lJPDZqFR9GKOXF8pFZzmnfrHQs1f6YBALHB
  SCttHaeBk5rkT4BAzy3Krx+HWoy+szmE141E1/8Jx4sEZKLMDhIKKwYBBAGX
  VQEFAQEHQPwH1OONj4rKhhH3BQTW0JoKLU3hmgYUqxx7LcfnLzQAAwEIB/4J
  Awhl3IXvo7mhyuAZwgOcvaH1X9ijw5l/VffBLYBhtmEnvN62iNZPNashQL26
  GOhrAB/v5I1XLacKNrwNP47UVGl/jz014ZBYTPGabhGl2kVQwngEGBYIACoF
  AmSizA4JELBkyGVfZ3ttAhsMFiEE74r/FzgnmKbmxjqFsGTIZV9ne20AAEYN
  AQDLkJ4V88iG2wEbVd3aGzu58PlcAh1bPROzrcy1ItuUxAD+JtI1n46vMPtH
  TPVPv/q9RajJP6u0VPCG/ByV1DjGhgc=
  =uaJU
  -----END PGP PRIVATE KEY BLOCK-----"""
  
  passphrase = "passphrase"
  
  public_key = """-----BEGIN PGP PUBLIC KEY BLOCK-----
  
  xjMEZJ1mYRYJKwYBBAHaRw8BAQdAGLLi15zjuVhD4eUOYR5v40kDyRb3nrkh
  0tO5pPNXBInNFEh1bWFuIDxodW1hbkBobXQuYWk+wowEEBYKAD4FAmSdZmEE
  CwkHCAkQDJeshu98/GUDFQgKBBYAAgECGQECGwMCHgEWIQQZZA1eEqmnaHG7
  F60Ml6yG73z8ZQAAWV0A/j8dVEoSyj5CKmFjF8Ag9sJutn7HLpFMUBbS12Ok
  NDAlAP4/zXDvikWGYEWNvwCKjzszWUtHMtJeMRWkoRyIZ6uRCM44BGSdZmES
  CisGAQQBl1UBBQEBB0D79cQcmIgLka0k/GDJt3ZPIl7mTNPKHT67PACAPfdH
  dwMBCAfCeAQYFggAKgUCZJ1mYQkQDJeshu98/GUCGwwWIQQZZA1eEqmnaHG7
  F60Ml6yG73z8ZQAAtOEA/icsnf6w3eGxLgL7BxUBythzAtq9Di1R3TI8oDxC
  xAPrAQDTbR33OtLbN/vg+3YYzzfsRGEtfwZ7aJEksAvJouegCQ==
  =GU20
  -----END PGP PUBLIC KEY BLOCK-----"""
  
  encryption = Encryption(private_key3, passphrase)
  signed_message = encryption.sign("MESSAGE")
  
  is_valid = EncryptionUtils.verify(signed_message, public_key)