Security Engine
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The Nintendo Switch uses Tegra's Security Engine (SE) for handling cryptographic opearations at the system's lowest level.
The SE driver is mapped to physical address 0x70012000 with a total size of 0x2000 bytes and exposes several registers for programming the Security Engine.
Registers
| Name | Address |
|---|---|
| SE_SECURITY | 0x70012000 |
| SE_TZRAM_SECURITY | 0x70012004 |
| SE_OPERATION | 0x70012008 |
| SE_INT_ENABLE | 0x7001200C |
| SE_INT_STATUS | 0x70012010 |
| SE_CONFIG | 0x70012014 |
| SE_IN_LL_ADDR | 0x70012018 |
| SE_OUT_LL_ADDR | 0x70012024 |
| SE_HASH_RESULT0_0 | 0x70012030 |
| SE_HASH_RESULT0_1 | 0x70012034 |
| SE_HASH_RESULT0_2 | 0x70012038 |
| SE_HASH_RESULT0_3 | 0x7001203C |
| SE_HASH_RESULT1_0 | 0x70012040 |
| SE_HASH_RESULT1_1 | 0x70012044 |
| SE_HASH_RESULT1_2 | 0x70012048 |
| SE_HASH_RESULT1_3 | 0x7001204C |
| SE_HASH_RESULT2_0 | 0x70012050 |
| SE_HASH_RESULT2_1 | 0x70012054 |
| SE_HASH_RESULT2_2 | 0x70012058 |
| SE_HASH_RESULT2_3 | 0x7001205C |
| SE_HASH_RESULT3_0 | 0x70012060 |
| SE_HASH_RESULT3_1 | 0x70012064 |
| SE_HASH_RESULT3_2 | 0x70012068 |
| SE_HASH_RESULT3_3 | 0x7001206C |
| SE_CTX_SAVE_CONFIG | 0x70012070 |
| SE_CTX_SAVE_AUTO | 0x70012074 |
| SE_SHA_CONFIG | 0x70012200 |
| SE_SHA_MSG_LENGTH0 | 0x70012204 |
| SE_SHA_MSG_LENGTH1 | 0x70012208 |
| SE_SHA_MSG_LENGTH2 | 0x7001220C |
| SE_SHA_MSG_LENGTH3 | 0x70012210 |
| SE_SHA_MSG_LEFT0 | 0x70012214 |
| SE_SHA_MSG_LEFT1 | 0x70012218 |
| SE_SHA_MSG_LEFT2 | 0x7001221C |
| SE_SHA_MSG_LEFT3 | 0x70012220 |
| SE_CRYPTO_KEY_READ_DISABLE | 0x70012280 |
| SE_CRYPTO_KEYTABLE_ACCESS | 0x70012284 |
| SE_CRYPTO_CONFIG | 0x70012304 |
| SE_CRYPTO_CTR | 0x70012308 |
| SE_CRYPTO_BLOCK_COUNT | 0x70012318 |
| SE_CRYPTO_KEYTABLE_ADDR | 0x7001231C |
| SE_CRYPTO_KEYTABLE_DATA | 0x70012320 |
| SE_CRYPTO_KEYTABLE_DST | 0x70012330 |
| SE_RNG_CONFIG | 0x70012340 |
| SE_RNG_SRC_CONFIG | 0x70012344 |
| SE_RNG_RESEED_INTERVAL | 0x70012348 |
| SE_RSA_CONFIG | 0x70012400 |
| SE_RSA_KEY_SIZE | 0x70012404 |
| SE_RSA_EXP_SIZE | 0x70012408 |
| SE_RSA_KEY_READ_DISABLE | 0x7001240C |
| SE_RSA_KEYTABLE_ACCESS | 0x70012410 |
| SE_RSA_KEYTABLE_ADDR | 0x70012420 |
| SE_RSA_KEYTABLE_DATA | 0x70012424 |
| SE_RSA_OUTPUT | 0x70012428 |
| SE_STATUS | 0x70012800 |
| SE_ERR_STATUS | 0x70012804 |
| SE_SPARE | 0x7001280C |