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ctrtool: Add support for inline decryption

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This commit is contained in:
Michael Scire
2017-05-19 08:34:50 -07:00
parent 7dcc166403
commit 4c63561224
17 changed files with 502 additions and 148 deletions
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ctrtool/main.c
+21 -7
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@@ -52,11 +52,13 @@ static void usage(const char *argv0)
" -k, --keyset=file Specify keyset file.\n"
" -v, --verbose Give verbose output.\n"
" -y, --verify Verify hashes and signatures.\n"
" -d, --dev Decrypt with development keys instead of retail.\n"
" --unitsize=size Set media unit size (default 0x200).\n"
" --commonkey=key Set common key.\n"
" --titlekey=key Set tik title key.\n"
" --ncchkey=key Set ncch key.\n"
" --ncchsyskey=key Set ncch fixed system key.\n"
" --seed=key Set seed for ncch seed crypto.\n"
" --showkeys Show the keys being used.\n"
" --showsyscalls Show system call names instead of numbers.\n"
" -t, --intype=type Specify input file type [ncsd, ncch, exheader, cia, tmd, lzss,\n"
@@ -109,8 +111,7 @@ int main(int argc, char* argv[])
ctx.filetype = FILETYPE_UNKNOWN;
settings_init(&ctx.usersettings);
keyset_init(&ctx.usersettings.keys);
keyset_init(&tmpkeys);
keyset_init(&tmpkeys, 0);
while (1)
@@ -137,8 +138,8 @@ int main(int argc, char* argv[])
{"raw", 0, NULL, 'r'},
{"unitsize", 1, NULL, 9},
{"showkeys", 0, NULL, 10},
{"commonkey", 1, NULL, 11},
{"ncchkey", 1, NULL, 12},
{"commonkeyx", 1, NULL, 11},
{"ncchkeyxold", 1, NULL, 12},
{"intype", 1, NULL, 't'},
{"lzssout", 1, NULL, 13},
{"firmdir", 1, NULL, 14},
@@ -152,10 +153,14 @@ int main(int argc, char* argv[])
{"titlekey", 1, NULL, 22},
{"plainrgn", 1, NULL, 23},
{"showsyscalls", 0, NULL, 24},
{"ncchkeyxseven", 1, NULL, 25},
{"ncchkeyxninethree", 1, NULL, 26},
{"ncchkeyxninesix", 1, NULL, 27},
{"seed", 1, NULL, 28},
{NULL},
};
c = getopt_long(argc, argv, "ryxivpk:n:t:", long_options, &option_index);
c = getopt_long(argc, argv, "dryxivpk:n:t:", long_options, &option_index);
if (c == -1)
break;
@@ -173,6 +178,10 @@ int main(int argc, char* argv[])
ctx.actions |= VerifyFlag;
break;
case 'd':
ctx.actions |= DevFlag;
break;
case 'p':
ctx.actions |= PlainFlag;
break;
@@ -228,8 +237,8 @@ int main(int argc, char* argv[])
case 8: settings_set_exefs_dir_path(&ctx.usersettings, optarg); break;
case 9: settings_set_mediaunit_size(&ctx.usersettings, strtoul(optarg, 0, 0)); break;
case 10: ctx.actions |= ShowKeysFlag; break;
case 11: keyset_parse_commonkey(&tmpkeys, optarg, strlen(optarg)); break;
case 12: keyset_parse_ncchkey(&tmpkeys, optarg, strlen(optarg)); break;
case 11: keyset_parse_commonkeyX(&tmpkeys, optarg, strlen(optarg)); break;
case 12: keyset_parse_ncchkeyX_old(&tmpkeys, optarg, strlen(optarg)); break;
case 13: settings_set_lzss_path(&ctx.usersettings, optarg); break;
case 14: settings_set_firm_dir_path(&ctx.usersettings, optarg); break;
case 15: keyset_parse_ncchfixedsystemkey(&tmpkeys, optarg, strlen(optarg)); break;
@@ -242,6 +251,10 @@ int main(int argc, char* argv[])
case 22: keyset_parse_titlekey(&tmpkeys, optarg, strlen(optarg)); break;
case 23: settings_set_plainrgn_path(&ctx.usersettings, optarg); break;
case 24: ctx.actions |= ShowSyscallsFlag; break;
case 25: keyset_parse_ncchkeyX_seven(&tmpkeys, optarg, strlen(optarg)); break;
case 26: keyset_parse_ncchkeyX_ninethree(&tmpkeys, optarg, strlen(optarg)); break;
case 27: keyset_parse_ncchkeyX_ninesix(&tmpkeys, optarg, strlen(optarg)); break;
case 28: keyset_parse_seed(&tmpkeys, optarg, strlen(optarg)); break;
default:
usage(argv[0]);
@@ -259,6 +272,7 @@ int main(int argc, char* argv[])
usage(argv[0]);
}
keyset_init(&ctx.usersettings.keys, ctx.actions);
keyset_load(&ctx.usersettings.keys, keysetfname, (ctx.actions & VerboseFlag) | checkkeysetfile);
keyset_merge(&ctx.usersettings.keys, &tmpkeys);
if (ctx.actions & ShowKeysFlag)