aws_encryption_sdk.internal.crypto.data_keys

Contains data key helper functions.

Functions

derive_data_encryption_key(source_key, …)

Derives the data encryption key using the defined algorithm.

aws_encryption_sdk.internal.crypto.data_keys.derive_data_encryption_key(source_key, algorithm, message_id)

Derives the data encryption key using the defined algorithm.

Parameters:

• source_key (bytes) – Raw source key
• algorithm (aws_encryption_sdk.identifiers.Algorithm) – Algorithm used to encrypt this body
• message_id (bytes) – Message ID

Returns:

Derived data encryption key

Return type:

bytes