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crypt14 cipher files.

Used in: prefix

• bytes key_version = 2

  For some reason, the int inside this message has a "0" field tag So we just ignore it. optional C14_cipher_version version = 1;

  Is usually "1"

• bytes server_salt = 3

  The 32-bytes long server salt

• bytes google_id = 4

  The 16-bytes long google id salt

• bytes IV = 5

  The 16-bytes long IV

crypt14 cipher files. Actually the field tag is zero.

• int32 version = 1

In crypt15 files only the IV is stored.

Used in: prefix

• bytes IV = 1

  The 16-bytes long IV

This enum describes if the key is self-managed by WhatsApp of if it is stored in the HSM. In other words, traditional = 0, end-to-end = 1

Used in: prefix

• WA_PROVIDED = 0

• HSM_CONTROLLED = 1

This describes the metadata, e.g. the version, the ph number and various features.

Used in: prefix

• string whatsapp_version = 1

  Whatsapp version, for example "2.22.4.14"

• string substringedUserJid = 3

  The last two characters of the user's Jid (phone number)

• optional bool idk = 4

  This bools are only written if the backup is a msgstore backup.

  No idea what this is

• optional bool call_log = 5

  Booleans that indicate various features

• optional bool labeled_jid = 6

• optional bool message_fts = 7

• optional bool blank_me_jid = 8

• optional bool message_link = 9

• optional bool message_main = 10

• optional bool message_text = 11

• optional bool missed_calls = 12

• optional bool receipt_user = 13

• optional bool message_media = 14

• optional bool message_vcard = 15

• optional bool message_future = 16

• optional bool message_quoted = 17

• optional bool message_system = 18

• optional bool receipt_device = 19

• optional bool message_mention = 20

• optional bool message_revoked = 21

• optional bool broadcast_me_jid = 22

• optional bool message_frequent = 23

• optional bool message_location = 24

• optional bool participant_user = 25

• optional bool message_thumbnail = 26

• optional bool message_send_count = 27

• optional bool migration_jid_store = 28

• optional bool payment_transaction = 29

• optional bool migration_chat_store = 30

• optional bool quoted_order_message = 31

• optional bool media_migration_fixer = 32

• optional bool quoted_order_message_v2 = 33

• optional bool message_main_verification = 34

• optional bool quoted_ui_elements_reply_message = 35

• optional bool alter_message_ephemeral_to_message_ephemeral_remove_column = 36

• optional bool alter_message_ephemeral_setting_to_message_ephemeral_setting_remove_column = 37

This file describes the header you can find near the start of an encrypted backup file.

• Key_Type key_type = 1

  0 if traditional (crypt14), 1 if end-to-end (crypt15)

• oneof cipher_info

  • C14_cipher c14_cipher = 2

    If DB is crypt14

  • C15_IV c15_iv = 3

    If DB is crypt15

• optional Version_Features info = 4

  Version that generated backup and other infos