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

public_key3 = """-----BEGIN PGP PUBLIC KEY BLOCK-----
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=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-----
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=uaJU
-----END PGP PRIVATE KEY BLOCK-----"""

passphrase = "passphrase"

public_key = """-----BEGIN PGP PUBLIC KEY BLOCK-----
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=GU20
-----END PGP PUBLIC KEY BLOCK-----"""

encryption = Encryption(private_key3, passphrase)
signed_message = encryption.sign("MESSAGE")

result = EncryptionUtils.get_signed_data(signed_message)

static is_encrypted(message)

Checks whether a provided message is encrypted or not

  • Parameters: message (str) – Text to check

  • Return type: bool

  • Returns: True if the message is a PGP message, False otherwise

  • Example:

    from human_protocol_sdk.encryption import EncryptionUtils

message_1 = "message"
message_2 = """-----BEGIN PGP MESSAGE-----

wV4Dh8BoKHkyM3YSAQdAMGVFo+Meahw422JdMyDkxPA4LXeN94bOqsS9OhYGliYw
72HgGdhoRHrRBKmRyD+Bb2HUrGptx8YRYqYJXiFVs4ev1USt6pF/5XjH+pM0d44B
0j0BcVevrVhjdBia8kEr74NJKB2qiPAffbFJFRE1asYqQgFTjNC60/egqfzpdRay
Tj8C+e0IXRMECIXnrOaw
=SjJh
-----END PGP MESSAGE-----"""

print("The message_1 is encrypted: ", EncryptionUtils.is_encrypted(message_1))
print("The message_2 is encrypted: ", EncryptionUtils.is_encrypted(message_2))

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-----
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=uaJU
-----END PGP PRIVATE KEY BLOCK-----"""

passphrase = "passphrase"

public_key = """-----BEGIN PGP PUBLIC KEY BLOCK-----
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=GU20
-----END PGP PUBLIC KEY BLOCK-----"""

encryption = Encryption(private_key3, passphrase)
signed_message = encryption.sign("MESSAGE")

is_valid = EncryptionUtils.verify(signed_message, public_key)

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