aws-cryptography-internal-standard-library

print('The aws-cryptography-internal-standard-library is an internal dependency.') print('Direct interaction is not recommended as its API is unstable and not for public use.') print('Instead, use public-facing libraries like the AWS Encryption SDK (aws-encryption-sdk).') # Example of how you would typically interact with encryption functionality # through the AWS Encryption SDK, which internally uses libraries like this one. # This code snippet is for illustration and requires additional setup (AWS credentials, KMS key). # import aws_encryption_sdk # from aws_encryption_sdk.keyrings.aws_kms import AwsKmsKeyring # key_arn = os.environ.get('KMS_KEY_ARN', 'arn:aws:kms:us-west-2:111122223333:key/example-key-id') # plaintext = b'my secret data' # try: # # Instantiate the AWS Encryption SDK client # client = aws_encryption_sdk.EncryptionSDKClient() # # Create a KMS Keyring (this uses the AWS Cryptographic Material Providers Library internally) # keyring = AwsKmsKeyring(key_ids=[key_arn]) # # Encrypt the data # ciphertext, header = client.encrypt(source=plaintext, keyring=keyring) # print(f'Ciphertext: {ciphertext.hex()}') # # Decrypt the data # decrypted_plaintext, _ = client.decrypt(source=ciphertext, keyring=keyring) # print(f'Decrypted plaintext: {decrypted_plaintext.decode()}') # except Exception as e: # print(f'Error demonstrating AWS Encryption SDK: {e}') # print('Please ensure AWS credentials and a valid KMS_KEY_ARN are configured.')