MagicGate

MagicGate logo
Memory Stick Pro and Memory Stick Pro Duo supporting MagicGate
PlayStation 2 memory card supporting MagicGate

MagicGate (MG) is a copy-protection technology introduced by Sony in 1999 as part of the Secure Digital Music Initiative (SDMI).[1][2] It works by encrypting the content on the device and using MagicGate chips in both the storage device and the reader to enforce control over how files are copied.[3]

MagicGate encryption was introduced with Sony's first digital audio players, with the related OpenMG technology being its software counterpart.[4] Since then, the encryption has been rolled out to other Sony devices – it is used in the memory cards of the PlayStation 2 and, as of 2004, has been introduced into all of Sony's Memory Stick products. Some devices will only accept Memory Sticks which use MagicGate technology.[5]

All Memory Stick Duo cards equipped with MagicGate can be identified by a notch located on the rear end of the card.

  1. ^ "Press Release - Sony Announces Memory Stick™ for Audio Application "Memory StickTM Walkman®" and "MagicGate Memory Stick™" To Be Launched". Sony Global. September 22, 1999. Retrieved January 21, 2019.
  2. ^ Memory Stick copyright protection technology
  3. ^ Friedman, G. (2006). The Complete Guide to Sony's Alpha 100 DSLR (B&W ed.). Gary Friedman. p. 297. ISBN 978-0-9790196-0-9. Retrieved January 21, 2019.
  4. ^ "Mobile:今週のモバイルキーワード「OpenMG【おーぷんえむじー】」".
  5. ^ "Memory cards get skinny". RCR Wireless News. 1999-11-30. Retrieved 2023-04-17.

MagicGate

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