Changes

Cryptosystem (view source)

Revision as of 00:21, 21 October 2017

375 bytes added , 00:21, 21 October 2017

→‎Package1

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=== Key generation ===

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Note: aes_unwrap(wrapped_key, wrap_key) is just another name for a single AES-128 block decryption.

If bit0 of 0x7000FB94 is clear, it will initialize keys like this (probably used for internal development units only):

// Final keys:

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package1_key /* slot11 */ = aes_unwrap(~~f5baeadb~~.., sbk)

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package1_key /* slot11 */ = aes_unwrap(f5b1eadb.., sbk)

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master_key /* slot12 */ = aes_unwrap(bct->pubkey[0] == 0x11 ? ~~aff11423..~~ : ~~5e177ee1..~~, aes_unwrap(5ff9c2d9.., sbk))

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master_key /* slot12 */ = aes_unwrap(bct->pubkey[0] == 0x11 ? simpleseed_dev0 : simpleseed_dev1, aes_unwrap(5ff9c2d9.., sbk))

per_console_key /* slot13 */ = aes_unwrap(4f025f0e..., aes_unwrap(6e4a9592.., ssk))

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// Final keys:

package1_key /* slot11 */ = keyblob[0x80:0x90]

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master_key /* slot12 */ = aes_unwrap(~~is_debug~~ ? 0542a0fd.. : d8a2410a.., keyblob+0x20)

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master_key /* slot12 */ = aes_unwrap(bct->pubkey[0] == 0x4f ? 0542a0fd.. : d8a2410a.., keyblob+0x20)

per_console_key /* slot13 */ = aes_unwrap(4f025f0e.., keyblob_key)

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The key-derivation is described in more detail [[Package1#Key_generation|here]].

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==== Seeds ====

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[1.0.0] simpleseed_dev0 = aff11423...

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[1.0.0] simpleseed_dev1 = 5e177ee1...

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[1.0.0] normalseed_dev = 0542a0fd...

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[1.0.0] normalseed_retail = d8a2410a...

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[3.0.0] simpleseed_dev0 = de00216a...

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[3.0.0] simpleseed_dev1 = 2db7c0a1...

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[3.0.0] normalseed_dev = 678c5a03...

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[3.0.0] normalseed_retail = d8a2410a...

==== Table of used keyblobs ====

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