Other Parts Discussed in Thread: MSP-GANG, MSP-FET
How is msp430g2553 encrypted?
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How is msp430g2553 encrypted?
It isn't by default. Can you give more details?
As Keith mentioned, there is no encryption by default. We do have an app note available which discusses C implementation of cryptographic algorithms.
SBW/JTAG interface can be locked by fuse. After fuse is blown (by applying 6.5V) than it is forever (no reverse operation).
With blown SBW/JTAG fuse flash still can be updated by TI factory preloaded UART BSL that have access password (vector space).
How does the SBW / JTAG interface fuse lock? Is there a code routine? I want to produce 100000 chips a month. It's impossible to lock every chip with an emulator. Can you lock the key area input and password like C2000?
If you want to see internals, how it is done, than check slau320. MSP-FET and MSP-GANG can blow F/G2xx SBW/JTAG fuse.
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