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Module for decrypting doubleclick price confirmations

Project description


Python module for decrypting doubleclick price confirmations.


pip install doubleclickcrypto


The module handles decryption of price confirmations and advertising identifiers with signature checking and, for price confirmations, stale response handling.

Example usage

Look at the test cases in the source for more examples.

Price decryption

from doubleclickcrypto import DoubleClickCrypto

e_key = "skU7Ax_NL5pPAFyKdkfZjZz2-VhIN8bjj1rVFOaJ_5o="
i_key = "arO23ykdNqUQ5LEoQ0FVmPkBd7xB5CO89PDZlSjpFxo="
cipher = "YWJjMTIzZGVmNDU2Z2hpN7fhCuPemCce_6msaw"

DoubleClickCrypto.decrypt_price(cipher, e_key, i_key)
#  -> 100

# Check for stale responses
DoubleClickCrypto.decrypt_price(cipher, e_key, i_key, max_timedelta_seconds=0)
#  -> throws StaleResponseException

Advertising id decryption

from doubleclickcrypto import DoubleClickCrypto

e_key = "sIxwz7yw62yrfoLGt12lIHKuYrK_S5kLuApI2BQe7Ac="
i_key = "v3fsVcMBMMHYzRhi7SpM0sdqwzvAxM6KPTu9OtVod5I="
cipher = "5nmwvgAM0UABI0VniavN72_tyXf-QJOmQdL0tmh_fduB2go_"

DoubleClickCrypto.decrypt_ad_id(cipher, e_key, i_key)
# -> bytes([0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15])


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