| Name | asn1cipher JSON |
| Version |
0.0.3
JSON |
| download |
| home_page | None |
| Summary | A Python library for encrypting and decrypting ASN.1 encrypted content. |
| upload_time | 2025-10-23 14:51:35 |
| maintainer | None |
| docs_url | None |
| author | None |
| requires_python | >=3.8 |
| license | Apache-2.0 |
| keywords |
asn1
encryption
cryptography
cms
pkcs
|
| VCS |
 |
| bugtrack_url |
|
| requirements |
No requirements were recorded.
|
| Travis-CI |
No Travis.
|
| coveralls test coverage |
No coveralls.
|
# asn1cipher
A Python library for encrypting and decrypting ASN.1 encrypted content. Uses `asn1crypto` library's `EncryptionAlgorithm` and `EncryptedContentInfo`.
## Features
**Algorithm Oid**
- **PBES1** support (`1.2.840.113549.1.5.X`)
- **PKCS#12** encryption support (`1.2.840.113549.1.12.1.X`)
- **PBES2/PBKDF2** support (`1.2.840.113549.1.5.13`)
**Cipher Algorithm**
- **RC2** block cipher
- **Custom Block Cipher Support** (BlockCipher abstraction)
## Quick Start
### Basic Usage
[examples/basic_usage.py](examples/basic_usage.py)
```python
from asn1cipher import Provider
from asn1crypto.algos import EncryptionAlgorithm, Pbes1Params
from asn1crypto.core import OctetString
import os
# Create Provider instance
provider = Provider()
# Data to encrypt and password
plaintext = b"Hello, World! This is a secret message."
password = b"my_secret_password"
# Configure PBES1 (SHA1 + DES) algorithm
encryption_algorithm = EncryptionAlgorithm({
'algorithm': 'pbes1_sha1_des',
'parameters': Pbes1Params({
'salt': os.urandom(8),
'iterations': 10000,
})
})
# Encrypt
encrypted_content_info = provider.encrypt(
plaintext=plaintext,
password=password,
encryption_algorithm=encryption_algorithm
)
# Decrypt
decrypted = provider.decrypt(
encrypted_content_info=encrypted_content_info,
password=password
)
assert decrypted == plaintext
print("✓ Encryption/decryption successful!")
```
## License
Apache-2.0 License
## Contributing
Contributions are welcome! Please submit a Pull Request.
## Related Projects
- [asn1crypto](https://github.com/wbond/asn1crypto) - ASN.1 parsing and serialization
- [cryptography](https://github.com/pyca/cryptography) - Python cryptography library
## Author
joseph@jc-lab.net
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