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[ctrtool] Rewrote NCCH crypto. "--exefs" is still broken.

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jakcron
2017-06-05 11:32:13 +08:00
parent 56ef8b41d1
commit b8b92d8bfa
4 changed files with 173 additions and 162 deletions
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ctrtool/ncch.h
+3 -9
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@@ -24,13 +24,8 @@ typedef enum
{
NCCHCRYPTO_NONE = 0, //< already decrypted
NCCHCRYPTO_FIXED = 1, //< fixed key crypto, used for SDK-made application titles and very very old system titles
NCCHCRYPTO_OLD = (1<<1), //< crypto used before 7.0
NCCHCRYPTO_SEVEN = (1<<2), //< crypto used starting with 7.0
NCCHCRYPTO_NINETHREE = (1<<3), //< crypto used on N3DS starting with 9.3
NCCHCRYPTO_NINESIX = (1<<4), //< crypto used on N3DS starting with 9.6
NCCHCRYPTO_SEED = (1<<5), //< crypto used starting with 9.6 for preloading titles
NCCHCRYPTO_SPECIAL_FSES = NCCHCRYPTO_SEVEN | NCCHCRYPTO_NINETHREE | NCCHCRYPTO_NINESIX | NCCHCRYPTO_SEED, //< ExeFS and RomFS need new keys
NCCHCRYPTO_BROKEN = 0xFF //< Internal: seed crypto required but no seed set
NCCHCRYPTO_SECURE = (1<<1), //< hardware generated key
NCCHCRYPTO_BROKEN = 0xFF //< Internal: failed to generate key, but encryption still used
} ctr_ncchcryptotype;
typedef struct
@@ -70,8 +65,7 @@ typedef struct
typedef struct
{
FILE* file;
u8 key[16];
u8 special_key[16]; // used with the 7.x+ crypto methods
u8 key[2][16];
u8 seed[16];
u32 encrypted;
u64 offset;