[makerom] Relaxed support for bad signatures (-ignoresign). Warns user when something cannot be signed, instead of treating it like a fatal error.

This commit is contained in:
jakcron
2017-05-28 10:27:55 +08:00
parent 4f875b0d0b
commit 6e858be07b
9 changed files with 212 additions and 184 deletions
+40 -36
View File
@@ -19,30 +19,28 @@ const CtrSdkDepList* accessdesc_GetPresetDependencyList(keys_struct *keys);
int set_AccessDesc(exheader_settings *exhdrset)
{
if(exhdrset->useAccessDescPreset) // Use AccessDesc Template
if(exhdrset->useAccessDescPreset == true) // Use AccessDesc Template
return accessdesc_GetSignFromPreset(exhdrset);
else if(exhdrset->rsf->CommonHeaderKey.Found) // Keydata exists in RSF
else if(exhdrset->rsf->CommonHeaderKey.Found == true) // Keydata exists in RSF
return accessdesc_GetSignFromRsf(exhdrset);
else if(!exhdrset->keys->rsa.requiresPresignedDesc) // Else if The AccessDesc can be signed with key
else if (Rsa2048Key_CanSign(&exhdrset->keys->rsa.acex) == false) // sign using rsa key
return accessdesc_SignWithKey(exhdrset);
else{ // No way the access desc signature can be 'obtained'
fprintf(stderr,"[ACEXDESC ERROR] Current keyset cannot sign AccessDesc, please appropriately set-up RSF, or specify a preset with \"-desc\"\n");
return CANNOT_SIGN_ACCESSDESC;
}
return 1;
}
int accessdesc_SignWithKey(exheader_settings *exhdrset)
{
/* Set RSA Keys */
memcpy(exhdrset->keys->rsa.cxiHdrPvt,exhdrset->keys->rsa.cciCfaPvt,0x100);
memcpy(exhdrset->keys->rsa.cxiHdrPub,exhdrset->keys->rsa.cciCfaPub,0x100);
memcpy(&exhdrset->acexDesc->ncchRsaPubKey,exhdrset->keys->rsa.cxiHdrPub,0x100);
memcpy(exhdrset->keys->rsa.cxi.pvt, exhdrset->keys->rsa.cciCfa.pvt, 0x100);
memcpy(exhdrset->keys->rsa.cxi.pub, exhdrset->keys->rsa.cciCfa.pub, 0x100);
memcpy(&exhdrset->acexDesc->ncchRsaPubKey, exhdrset->keys->rsa.cxi.pub, 0x100);
/* Copy Data From ExHeader */
memcpy(&exhdrset->acexDesc->arm11SystemLocalCapabilities,&exhdrset->exHdr->arm11SystemLocalCapabilities,sizeof(exhdr_ARM11SystemLocalCapabilities));
memcpy(&exhdrset->acexDesc->arm11KernelCapabilities,&exhdrset->exHdr->arm11KernelCapabilities,sizeof(exhdr_ARM11KernelCapabilities));
memcpy(&exhdrset->acexDesc->arm9AccessControlInfo,&exhdrset->exHdr->arm9AccessControlInfo,sizeof(exhdr_ARM9AccessControlInfo));
memcpy(&exhdrset->acexDesc->arm11SystemLocalCapabilities, &exhdrset->exHdr->arm11SystemLocalCapabilities, sizeof(exhdr_ARM11SystemLocalCapabilities));
memcpy(&exhdrset->acexDesc->arm11KernelCapabilities, &exhdrset->exHdr->arm11KernelCapabilities, sizeof(exhdr_ARM11KernelCapabilities));
memcpy(&exhdrset->acexDesc->arm9AccessControlInfo, &exhdrset->exHdr->arm9AccessControlInfo, sizeof(exhdr_ARM9AccessControlInfo));
/* Adjust Data */
exhdr_ARM11SystemLocalCapabilities *arm11 = &exhdrset->acexDesc->arm11SystemLocalCapabilities;
@@ -50,7 +48,13 @@ int accessdesc_SignWithKey(exheader_settings *exhdrset)
arm11->threadPriority /= 2;
/* Sign AccessDesc */
return SignAccessDesc(exhdrset->acexDesc,exhdrset->keys);
if (SignAccessDesc(exhdrset->acexDesc, exhdrset->keys) != 0)
{
printf("[ACEXDESC WARNING] Failed to sign access descriptor\n");
memset(exhdrset->acexDesc->signature, 0xFF, 0x100);
}
return 0;
}
int accessdesc_GetSignFromRsf(exheader_settings *exhdrset)
@@ -100,10 +104,10 @@ int accessdesc_GetSignFromRsf(exheader_settings *exhdrset)
/* Set RSA Keys */
int result = 0;
// NCCH Header pubk
result = b64_decode(exhdrset->keys->rsa.cxiHdrPub,exhdrset->rsf->CommonHeaderKey.Modulus,0x100);
result = b64_decode(exhdrset->keys->rsa.cxi.pub,exhdrset->rsf->CommonHeaderKey.Modulus,0x100);
if(result) return result;
// NCCH Header privk
result = b64_decode(exhdrset->keys->rsa.cxiHdrPvt,exhdrset->rsf->CommonHeaderKey.D,0x100);
result = b64_decode(exhdrset->keys->rsa.cxi.pvt,exhdrset->rsf->CommonHeaderKey.D,0x100);
if(result) return result;
/* Set AccessDesc */
@@ -111,7 +115,7 @@ int accessdesc_GetSignFromRsf(exheader_settings *exhdrset)
result = b64_decode(exhdrset->acexDesc->signature,exhdrset->rsf->CommonHeaderKey.AccCtlDescSign,0x100);
if(result) return result;
// NCCH Header pubk
memcpy(exhdrset->acexDesc->ncchRsaPubKey,exhdrset->keys->rsa.cxiHdrPub,0x100);
memcpy(exhdrset->acexDesc->ncchRsaPubKey,exhdrset->keys->rsa.cxi.pub,0x100);
// Access Control
result = b64_decode((u8*)&exhdrset->acexDesc->arm11SystemLocalCapabilities,exhdrset->rsf->CommonHeaderKey.AccCtlDescBin,0x200);
if(result) return result;
@@ -127,16 +131,11 @@ int accessdesc_GetSignFromPreset(exheader_settings *exhdrset)
// Error Checking
if(!desc || !dependency_list){
fprintf(stderr,"[ACEXDESC ERROR] AccessDesc template is unavailable, please configure RSF file\n");
if (!desc || !dependency_list) {
fprintf(stderr, "[ACEXDESC ERROR] AccessDesc template is unavailable, please configure RSF file\n");
return CANNOT_SIGN_ACCESSDESC;
}
if(!pre_sign && exhdrset->keys->rsa.requiresPresignedDesc){
fprintf(stderr,"[ACEXDESC ERROR] This AccessDesc template needs to be signed, the current keyset is incapable of doing so. Please configure RSF file with the appropriate signature data.\n");
return CANNOT_SIGN_ACCESSDESC;
}
// Setting data in Exheader
// Dependency List
memcpy(exhdrset->exHdr->dependencyList, dependency_list->dependency, 0x180);
@@ -148,7 +147,7 @@ int accessdesc_GetSignFromPreset(exheader_settings *exhdrset)
memcpy(ProgramID, exhdrset->exHdr->arm11SystemLocalCapabilities.programId, 8);
memcpy(&StorageInfoBackup, &exhdrset->exHdr->arm11SystemLocalCapabilities.storageInfo, sizeof(exhdr_StorageInfo));
memcpy(&Arm9Desc, &exhdrset->exHdr->arm9AccessControlInfo, sizeof(exhdr_ARM9AccessControlInfo));
// Setting Preset Data
memcpy(&exhdrset->exHdr->arm11SystemLocalCapabilities, desc->exheader_desc, 0x200);
@@ -158,17 +157,22 @@ int accessdesc_GetSignFromPreset(exheader_settings *exhdrset)
memcpy(&exhdrset->exHdr->arm9AccessControlInfo, &Arm9Desc, sizeof(exhdr_ARM9AccessControlInfo));
// Setting AccessDesc Area
// Signing normally if possible
if(!exhdrset->keys->rsa.requiresPresignedDesc)
// Setting AccessDesc Area
// If presign available set static data & ncch hdr sig info
if (pre_sign)
{
memcpy(exhdrset->keys->rsa.cxi.pub, pre_sign->modulus, 0x100);
memcpy(exhdrset->keys->rsa.cxi.pvt, pre_sign->priv_exponent, 0x100);
memcpy(&exhdrset->acexDesc->signature, pre_sign->access_desc_signature, 0x100);
memcpy(&exhdrset->acexDesc->ncchRsaPubKey, pre_sign->modulus, 0x100);
memcpy(&exhdrset->acexDesc->arm11SystemLocalCapabilities, desc->signed_desc, 0x200);
}
// otherwise sign properly
else
{
return accessdesc_SignWithKey(exhdrset);
// Otherwise set static data & ncch hdr sig info
memcpy(exhdrset->keys->rsa.cxiHdrPub, pre_sign->modulus, 0x100);
memcpy(exhdrset->keys->rsa.cxiHdrPvt, pre_sign->priv_exponent, 0x100);
memcpy(&exhdrset->acexDesc->signature, pre_sign->access_desc_signature, 0x100);
memcpy(&exhdrset->acexDesc->ncchRsaPubKey, pre_sign->modulus, 0x100);
memcpy(&exhdrset->acexDesc->arm11SystemLocalCapabilities, desc->signed_desc, 0x200);
}
return 0;
}
+2 -2
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@@ -58,14 +58,14 @@ int SignAccessDesc(access_descriptor *acexDesc, keys_struct *keys)
{
u8 *data = (u8*) &acexDesc->ncchRsaPubKey;
u8 *sign = (u8*) &acexDesc->signature;
return RsaSignVerify(data,0x300,sign,keys->rsa.acexPub,keys->rsa.acexPvt,RSA_2048_SHA256,CTR_RSA_SIGN);
return RsaSignVerify(data, 0x300, sign, keys->rsa.acex.pub, keys->rsa.acex.pvt, RSA_2048_SHA256, CTR_RSA_SIGN);
}
int CheckAccessDescSignature(access_descriptor *acexDesc, keys_struct *keys)
{
u8 *data = (u8*) &acexDesc->ncchRsaPubKey;
u8 *sign = (u8*) &acexDesc->signature;
return RsaSignVerify(data,0x300,sign,keys->rsa.acexPub,NULL,RSA_2048_SHA256,CTR_RSA_VERIFY);
return RsaSignVerify(data,0x300,sign,keys->rsa.acex.pub,NULL,RSA_2048_SHA256,CTR_RSA_VERIFY);
}
/* ExHeader Build Functions */
+82 -107
View File
@@ -15,12 +15,6 @@ int SetNcchKeyX(keys_struct *keys, const u8 *keyX, u8 index);
void keysetOpenError(char *file);
FILE* keyset_OpenFile(char *dir, char *name, bool FileRequired);
int SetTIK_RsaKey(keys_struct *keys, const u8 *priv_exp, const u8 *modulus);
int SetTMD_RsaKey(keys_struct *keys, const u8 *priv_exp, const u8 *modulus);
int Set_CCI_CFA_RsaKey(keys_struct *keys, const u8 *priv_exp, const u8 *modulus);
int SetAccessDesc_RsaKey(keys_struct *keys, const u8 *priv_exp, const u8 *modulus);
int SetCXI_RsaKey(keys_struct *keys, const u8 *priv_exp, const u8 *modulus);
int SetCaCert(keys_struct *keys, const u8 *cert);
int SetTikCert(keys_struct *keys, const u8 *cert);
int SetTmdCert(keys_struct *keys, const u8 *cert);
@@ -28,17 +22,21 @@ int SetTmdCert(keys_struct *keys, const u8 *cert);
int LoadKeysFromResources(keys_struct *keys);
void SetDummyRsaData(keys_struct *keys);
int LoadKeysFromKeyfile(keys_struct *keys);
void CheckAccessDescKey(keys_struct *keys);
void DumpKeyset(keys_struct *keys);
// Code
void InitKeys(keys_struct *keys)
{
memset(keys,0,sizeof(keys_struct));
InitCommonKeySlots(keys);
InitNcchKeyXSlots(keys);
keys->rsa.cxiHdrPub = malloc(RSA_2048_KEY_SIZE);
keys->rsa.cxiHdrPvt = malloc(RSA_2048_KEY_SIZE);
Rsa2048Key_Alloc(&keys->rsa.xs);
Rsa2048Key_Alloc(&keys->rsa.cp);
Rsa2048Key_Alloc(&keys->rsa.cciCfa);
Rsa2048Key_Alloc(&keys->rsa.acex);
Rsa2048Key_Alloc(&keys->rsa.cxi);
keys->aes.ncchKey0 = malloc(AES_128_KEY_SIZE);
keys->aes.ncchKey1 = malloc(AES_128_KEY_SIZE);
}
@@ -50,23 +48,21 @@ void PrintBadKeySize(char *path, u32 size)
int SetKeys(keys_struct *keys)
{
int result = 0;
result = LoadKeysFromResources(keys);
if(result) return KEYSET_ERROR;
if(!keys->keysetLoaded){
result = LoadKeysFromKeyfile(keys);
if(result) return KEYSET_ERROR;
if (LoadKeysFromResources(keys) != 0)
{
return KEYSET_ERROR;
}
if(keys->rsa.isFalseSign)
SetDummyRsaData(keys);
CheckAccessDescKey(keys);
if(keys->dumpkeys)
if (!keys->keysetLoaded)
{
return KEYSET_ERROR;
}
if (keys->dumpkeys)
{
DumpKeyset(keys);
}
return 0;
}
@@ -84,8 +80,10 @@ int LoadKeysFromResources(keys_struct *keys)
SetNormalKey(keys,zeros_aesKey);
SetSystemFixedKey(keys,zeros_aesKey);
/* RSA Keys */
keys->rsa.isFalseSign = true;
/* Certs */
SetCaCert(keys, ca3_tpki_cert);
SetTikCert(keys, xsC_tpki_cert);
SetTmdCert(keys, cpB_tpki_cert);
}
else if(keys->keyset == pki_DEVELOPMENT){
keys->keysetLoaded = true;
@@ -105,15 +103,14 @@ int LoadKeysFromResources(keys_struct *keys)
for(int i = 0; i < 4; i++)
SetNcchKeyX(keys, dev_unfixed_ncch_keyX[i],i);
/* RSA Keys */
// CIA
SetTIK_RsaKey(keys, xs9_dpki_rsa.priv_exponent, xs9_dpki_rsa.modulus);
SetTMD_RsaKey(keys, cpA_dpki_rsa.priv_exponent, cpA_dpki_rsa.modulus);
Rsa2048Key_Set(&keys->rsa.xs, xs9_dpki_rsa.priv_exponent, xs9_dpki_rsa.modulus);
Rsa2048Key_Set(&keys->rsa.cp, cpA_dpki_rsa.priv_exponent, cpA_dpki_rsa.modulus);
// CCI/CFA
Set_CCI_CFA_RsaKey(keys, dev_ncsd_cfa_rsa.priv_exponent, dev_ncsd_cfa_rsa.modulus);
Rsa2048Key_Set(&keys->rsa.cciCfa, dev_ncsd_cfa_rsa.priv_exponent, dev_ncsd_cfa_rsa.modulus);
// CXI
SetAccessDesc_RsaKey(keys, dev_accessdesc_rsa.priv_exponent, dev_accessdesc_rsa.modulus);
Rsa2048Key_Set(&keys->rsa.acex, dev_accessdesc_rsa.priv_exponent, dev_accessdesc_rsa.modulus);
/* Certs */
SetCaCert(keys, ca4_dpki_cert);
@@ -140,12 +137,12 @@ int LoadKeysFromResources(keys_struct *keys)
/* RSA Keys */
// CIA
SetTIK_RsaKey(keys, xsC_ppki_rsa.priv_exponent, xsC_ppki_rsa.modulus);
SetTMD_RsaKey(keys, cpB_ppki_rsa.priv_exponent, cpB_ppki_rsa.modulus);
Rsa2048Key_Set(&keys->rsa.xs, xsC_ppki_rsa.priv_exponent, xsC_ppki_rsa.modulus);
Rsa2048Key_Set(&keys->rsa.cp, cpB_ppki_rsa.priv_exponent, cpB_ppki_rsa.modulus);
// CCI/CFA
Set_CCI_CFA_RsaKey(keys, prod_ncsd_cfa_rsa.priv_exponent, prod_ncsd_cfa_rsa.modulus);
Rsa2048Key_Set(&keys->rsa.cciCfa, prod_ncsd_cfa_rsa.priv_exponent, prod_ncsd_cfa_rsa.modulus);
// CXI
SetAccessDesc_RsaKey(keys, prod_accessdesc_rsa.priv_exponent, prod_accessdesc_rsa.modulus);
Rsa2048Key_Set(&keys->rsa.acex, prod_accessdesc_rsa.priv_exponent, prod_accessdesc_rsa.modulus);
/* Certs */
SetCaCert(keys, ca3_ppki_cert);
@@ -155,20 +152,22 @@ int LoadKeysFromResources(keys_struct *keys)
return 0;
}
/*
void SetDummyRsaData(keys_struct *keys)
{
if(!keys->rsa.xsPvt || !keys->rsa.xsPub)
SetTIK_RsaKey(keys, tpki_rsa.priv_exponent, tpki_rsa.modulus);
if(!keys->rsa.cpPvt || !keys->rsa.cpPub)
SetTMD_RsaKey(keys, tpki_rsa.priv_exponent, tpki_rsa.modulus);
if(!keys->rsa.cciCfaPvt || !keys->rsa.cciCfaPub)
Set_CCI_CFA_RsaKey(keys, tpki_rsa.priv_exponent, tpki_rsa.modulus);
if(!keys->rsa.acexPvt || !keys->rsa.acexPub)
SetAccessDesc_RsaKey(keys, tpki_rsa.priv_exponent, tpki_rsa.modulus);
// CIA
if (Rsa2048Key_CanSign(&keys->rsa.xs) == false)
Rsa2048Key_Set(&keys->rsa.xs, tpki_rsa.priv_exponent, tpki_rsa.modulus);
if (Rsa2048Key_CanSign(&keys->rsa.cp) == false)
Rsa2048Key_Set(&keys->rsa.cp, tpki_rsa.priv_exponent, tpki_rsa.modulus);
// CCI/CFA
if (Rsa2048Key_CanSign(&keys->rsa.cciCfa) == false)
Rsa2048Key_Set(&keys->rsa.cciCfa, tpki_rsa.priv_exponent, tpki_rsa.modulus);
// CXI
if (Rsa2048Key_CanSign(&keys->rsa.acex) == false)
Rsa2048Key_Set(&keys->rsa.acex, tpki_rsa.priv_exponent, tpki_rsa.modulus);
/* Certs */
// Certs
if(!keys->certs.caCert)
SetCaCert(keys, ca3_tpki_cert);
if(!keys->certs.xsCert)
@@ -176,24 +175,7 @@ void SetDummyRsaData(keys_struct *keys)
if(!keys->certs.cpCert)
SetTmdCert(keys, cpB_tpki_cert);
}
int LoadKeysFromKeyfile(keys_struct *keys)
{
printf("[KEYSET ERROR] Custom keys not supported\n");
return -1;
}
void CheckAccessDescKey(keys_struct *keys)
{
// Checking if AccessDesc can be signed
u8 *tmp = calloc(1,RSA_2048_KEY_SIZE);
if(memcmp(tmp,keys->rsa.acexPvt,RSA_2048_KEY_SIZE) == 0)
keys->rsa.requiresPresignedDesc = true;
else
keys->rsa.requiresPresignedDesc = false;
free(tmp);
}
*/
void DumpKeyset(keys_struct *keys)
{
@@ -245,17 +227,17 @@ void DumpKeyset(keys_struct *keys)
}
printf(" > TIK RSA Keys\n");
memdump(stdout," [PUB] ",keys->rsa.xsPub,0x100);
memdump(stdout," [PVT] ",keys->rsa.xsPvt,0x100);
memdump(stdout," [PUB] ",keys->rsa.xs.pub,0x100);
memdump(stdout," [PVT] ",keys->rsa.xs.pvt,0x100);
printf(" > TMD RSA Keys\n");
memdump(stdout," [PUB] ",keys->rsa.cpPub,0x100);
memdump(stdout," [PVT] ",keys->rsa.cpPvt,0x100);
memdump(stdout," [PUB] ",keys->rsa.cp.pub,0x100);
memdump(stdout," [PVT] ",keys->rsa.cp.pvt,0x100);
printf(" > AcexDesc RSA Keys\n");
memdump(stdout," [PUB] ",keys->rsa.acexPub,0x100);
memdump(stdout," [PVT] ",keys->rsa.acexPvt,0x100);
memdump(stdout," [PUB] ",keys->rsa.acex.pub,0x100);
memdump(stdout," [PVT] ",keys->rsa.acex.pvt,0x100);
printf(" > NcsdCfa RSA Keys\n");
memdump(stdout," [PUB] ",keys->rsa.cciCfaPub,0x100);
memdump(stdout," [PVT] ",keys->rsa.cciCfaPvt,0x100);
memdump(stdout," [PUB] ",keys->rsa.cciCfa.pub,0x100);
memdump(stdout," [PVT] ",keys->rsa.cciCfa.pvt,0x100);
}
void keysetOpenError(char *file)
@@ -301,18 +283,11 @@ void FreeKeys(keys_struct *keys)
free(keys->aes.ncchKey1);
// RSA
free(keys->rsa.xsPvt);
free(keys->rsa.xsPub);
free(keys->rsa.cpPvt);
free(keys->rsa.cpPub);
free(keys->rsa.cciCfaPvt);
free(keys->rsa.cciCfaPub);
free(keys->rsa.acexPvt);
free(keys->rsa.acexPub);
free(keys->rsa.cxiHdrPub);
free(keys->rsa.cxiHdrPvt);
Rsa2048Key_Free(&keys->rsa.xs);
Rsa2048Key_Free(&keys->rsa.cp);
Rsa2048Key_Free(&keys->rsa.cciCfa);
Rsa2048Key_Free(&keys->rsa.acex);
Rsa2048Key_Free(&keys->rsa.cxi);
// Certs
free(keys->certs.caCert);
@@ -378,30 +353,6 @@ int SetSystemFixedKey(keys_struct *keys, const u8 *key)
return CopyData(&keys->aes.systemFixedKey,key,16);
}
int SetTIK_RsaKey(keys_struct *keys, const u8 *priv_exp, const u8 *modulus)
{
if(!keys) return -1;
return SetRsaKeySet(&keys->rsa.xsPvt,priv_exp,&keys->rsa.xsPub,modulus);
}
int SetTMD_RsaKey(keys_struct *keys, const u8 *priv_exp, const u8 *modulus)
{
if(!keys) return -1;
return SetRsaKeySet(&keys->rsa.cpPvt,priv_exp,&keys->rsa.cpPub,modulus);
}
int Set_CCI_CFA_RsaKey(keys_struct *keys, const u8 *priv_exp, const u8 *modulus)
{
if(!keys) return -1;
return SetRsaKeySet(&keys->rsa.cciCfaPvt,priv_exp,&keys->rsa.cciCfaPub,modulus);
}
int SetAccessDesc_RsaKey(keys_struct *keys, const u8 *priv_exp, const u8 *modulus)
{
if(!keys) return -1;
return SetRsaKeySet(&keys->rsa.acexPvt,priv_exp,&keys->rsa.acexPub,modulus);
}
int SetCaCert(keys_struct *keys, const u8 *cert)
{
if(!keys) return -1;
@@ -417,4 +368,28 @@ int SetTmdCert(keys_struct *keys, const u8 *cert)
{
if(!keys) return -1;
return CopyData(&keys->certs.cpCert,cert,0x400);
}
void Rsa2048Key_Alloc(rsa2048_key* key)
{
key->pub = malloc(RSA_2048_KEY_SIZE);
key->pvt = malloc(RSA_2048_KEY_SIZE);
}
void Rsa2048Key_Free(rsa2048_key* key)
{
free(key->pub);
free(key->pvt);
}
void Rsa2048Key_Set(rsa2048_key* key, const u8* pvt, const u8* pub)
{
memcpy(key->pub, pub, RSA_2048_KEY_SIZE);
memcpy(key->pvt, pvt, RSA_2048_KEY_SIZE);
}
bool Rsa2048Key_CanSign(const rsa2048_key* key)
{
static const u8 rsa2048[RSA_2048_KEY_SIZE] = { 0 };
return memcmp(key->pub, rsa2048, RSA_2048_KEY_SIZE) != 0 || memcmp(key->pvt, rsa2048, RSA_2048_KEY_SIZE) != 0;
}
+19 -14
View File
@@ -31,11 +31,18 @@ typedef enum
// Structs
typedef struct
{
u8 *pub;
u8 *pvt;
} rsa2048_key;
typedef struct
{
pki_keyset keyset;
bool keysetLoaded;
bool dumpkeys;
bool ignore_sign;
struct
{
@@ -60,23 +67,16 @@ typedef struct
struct
{
bool isFalseSign;
// CIA RSA
u8 *cpPvt;
u8 *cpPub;
u8 *xsPvt;
u8 *xsPub;
rsa2048_key cp;
rsa2048_key xs;
// CCI/CFA
u8 *cciCfaPvt;
u8 *cciCfaPub;
rsa2048_key cciCfa;
// CXI
bool requiresPresignedDesc;
u8 *acexPvt;
u8 *acexPub;
u8 *cxiHdrPub;
u8 *cxiHdrPvt;
rsa2048_key acex;
rsa2048_key cxi;
} rsa;
struct
@@ -96,4 +96,9 @@ void FreeKeys(keys_struct *keys);
int SetCommonKey(keys_struct *keys, const u8 *key, u8 Index);
int SetCurrentCommonKey(keys_struct *keys, u8 Index);
int SetNormalKey(keys_struct *keys, const u8 *key);
int SetSystemFixedKey(keys_struct *keys, const u8 *key);
int SetSystemFixedKey(keys_struct *keys, const u8 *key);
void Rsa2048Key_Alloc(rsa2048_key* key);
void Rsa2048Key_Free(rsa2048_key* key);
void Rsa2048Key_Set(rsa2048_key* key, const u8* pvt, const u8* pub);
bool Rsa2048Key_CanSign(const rsa2048_key* key);
+40 -17
View File
@@ -36,17 +36,27 @@ bool IsValidProductCode(char *ProductCode, bool FreeProductCode);
// Code
int SignCFA(ncch_hdr *hdr, keys_struct *keys)
{
return RsaSignVerify(GetNcchHdrData(hdr),GetNcchHdrDataLen(hdr),GetNcchHdrSig(hdr),keys->rsa.cciCfaPub,keys->rsa.cciCfaPvt,RSA_2048_SHA256,CTR_RSA_SIGN);
if (RsaSignVerify(GetNcchHdrData(hdr), GetNcchHdrDataLen(hdr), GetNcchHdrSig(hdr), keys->rsa.cciCfa.pub, keys->rsa.cciCfa.pvt, RSA_2048_SHA256, CTR_RSA_SIGN) != 0)
{
printf("[NCCH WARNING] Failed to sign CFA header\n");
memset(GetNcchHdrSig(hdr), 0xFF, 0x100);
}
return 0;
}
int CheckCFASignature(ncch_hdr *hdr, keys_struct *keys)
{
return RsaSignVerify(GetNcchHdrData(hdr),GetNcchHdrDataLen(hdr),GetNcchHdrSig(hdr),keys->rsa.cciCfaPub,NULL,RSA_2048_SHA256,CTR_RSA_VERIFY);
return RsaSignVerify(GetNcchHdrData(hdr),GetNcchHdrDataLen(hdr),GetNcchHdrSig(hdr),keys->rsa.cciCfa.pub,NULL,RSA_2048_SHA256,CTR_RSA_VERIFY);
}
int SignCXI(ncch_hdr *hdr, keys_struct *keys)
{
return RsaSignVerify(GetNcchHdrData(hdr),GetNcchHdrDataLen(hdr),GetNcchHdrSig(hdr),keys->rsa.cxiHdrPub,keys->rsa.cxiHdrPvt,RSA_2048_SHA256,CTR_RSA_SIGN);
if (RsaSignVerify(GetNcchHdrData(hdr), GetNcchHdrDataLen(hdr), GetNcchHdrSig(hdr), keys->rsa.cxi.pub, keys->rsa.cxi.pvt, RSA_2048_SHA256, CTR_RSA_SIGN) != 0)
{
printf("[NCCH WARNING] Failed to sign CXI header\n");
memset(GetNcchHdrSig(hdr), 0xFF, 0x100);
}
return 0;
}
int CheckCXISignature(ncch_hdr *hdr, u8 *pubk)
@@ -748,11 +758,14 @@ int VerifyNcch(u8 *ncch, keys_struct *keys, bool CheckHash, bool SuppressOutput)
}
if(IsCfa(hdr)){
if(CheckCFASignature(hdr,keys) != Good && !keys->rsa.isFalseSign){
if(CheckCFASignature(hdr,keys) != Good){
if(!SuppressOutput)
fprintf(stderr,"[NCCH ERROR] CFA Sigcheck Failed\n");
free(ncchInfo);
return NCCH_HDR_SIG_BAD;
fprintf(keys->ignore_sign ? stdout :stderr,"[NCCH %s] CFA Sigcheck Failed\n", keys->ignore_sign ? "WARNING" : "ERROR");
if (!keys->ignore_sign)
{
free(ncchInfo);
return NCCH_HDR_SIG_BAD;
}
}
if(!ncchInfo->romfsSize){
if(!SuppressOutput)
@@ -813,19 +826,29 @@ int VerifyNcch(u8 *ncch, keys_struct *keys, bool CheckHash, bool SuppressOutput)
if(IsNcchEncrypted(hdr))
CryptNcchRegion((u8*)acexDesc,ncchInfo->acexSize,ncchInfo->exhdrSize,ncchInfo->titleId,keys->aes.ncchKey0,ncch_exhdr);
if(CheckAccessDescSignature(acexDesc,keys) != 0 && !keys->rsa.isFalseSign){
if(!SuppressOutput) fprintf(stderr,"[NCCH ERROR] AccessDesc Sigcheck Failed\n");
free(ncchInfo);
free(acexDesc);
return ACCESSDESC_SIG_BAD;
if(CheckAccessDescSignature(acexDesc,keys) != Good){
if (!SuppressOutput)
fprintf(keys->false_sign? stdout : stderr, "[NCCH %s] AccessDesc Sigcheck Failed\n", keys->ignore_sign ? "WARNING" : "ERROR");
if (!keys->ignore_sign)
{
free(ncchInfo);
free(acexDesc);
return ACCESSDESC_SIG_BAD;
}
}
if(CheckCXISignature(hdr,GetAcexNcchPubKey(acexDesc)) != 0 && !keys->rsa.isFalseSign){
if(!SuppressOutput) fprintf(stderr,"[NCCH ERROR] CXI Header Sigcheck Failed\n");
free(ncchInfo);
free(acexDesc);
return NCCH_HDR_SIG_BAD;
if(CheckCXISignature(hdr,GetAcexNcchPubKey(acexDesc)) != Good){
if (!SuppressOutput)
fprintf(keys->ignore_sign ? stdout : stderr,"[NCCH %s] CXI Header Sigcheck Failed\n", keys->ignore_sign ? "WARNING" : "ERROR");
if (!keys->ignore_sign)
{
free(ncchInfo);
free(acexDesc);
return NCCH_HDR_SIG_BAD;
}
}
}
if(!CheckHash)
+6 -1
View File
@@ -579,7 +579,12 @@ int GenCciHdr(cci_settings *set)
// Sign Header
RsaSignVerify(&hdr->magic,sizeof(cci_hdr)-RSA_2048_KEY_SIZE,hdr->signature,set->keys->rsa.cciCfaPub,set->keys->rsa.cciCfaPvt,RSA_2048_SHA256,CTR_RSA_SIGN);
if (RsaSignVerify(&hdr->magic, sizeof(cci_hdr) - RSA_2048_KEY_SIZE, hdr->signature, set->keys->rsa.cciCfa.pub, set->keys->rsa.cciCfa.pvt, RSA_2048_SHA256, CTR_RSA_SIGN) != 0)
{
printf("[NCSD WARNING] Failed to sign header\n");
memset(hdr->signature, 0xFF, 0x100);
}
return 0;
}
+7 -1
View File
@@ -81,7 +81,13 @@ int SignTicketHeader(buffer_struct *tik, keys_struct *keys)
clrmem(sig,sizeof(tik_signature));
u32_to_u8(sig->sigType,RSA_2048_SHA256,BE);
return RsaSignVerify(data,len,sig->data,keys->rsa.xsPub,keys->rsa.xsPvt,RSA_2048_SHA256,CTR_RSA_SIGN);
if (RsaSignVerify(data, len, sig->data, keys->rsa.xs.pub, keys->rsa.xs.pvt, RSA_2048_SHA256, CTR_RSA_SIGN) != 0)
{
printf("[TIK WARNING] Failed to sign header\n");
memset(sig->data, 0xFF, 0x100);
}
return 0;
}
int CryptTitleKey(u8 *input, u8 *output, u8 *titleId, keys_struct *keys, u8 mode)
+7 -1
View File
@@ -71,7 +71,13 @@ int SignTMDHeader(tmd_hdr *hdr, tmd_signature *sig, keys_struct *keys)
clrmem(sig,sizeof(tmd_signature));
u32_to_u8(sig->sigType,RSA_2048_SHA256,BE);
return RsaSignVerify((u8*)hdr,sizeof(tmd_hdr),sig->data,keys->rsa.cpPub,keys->rsa.cpPvt,RSA_2048_SHA256,CTR_RSA_SIGN);
if (RsaSignVerify((u8*)hdr, sizeof(tmd_hdr), sig->data, keys->rsa.cp.pub, keys->rsa.cp.pvt, RSA_2048_SHA256, CTR_RSA_SIGN) != 0)
{
printf("[TMD WARNING] Failed to sign header\n");
memset(sig->data, 0xFF, 0x100);
}
return 0;
}
int SetupTMDInfoRecord(tmd_content_info_record *info_record, u8 *content_record, u16 ContentCount)
+9 -5
View File
@@ -85,6 +85,7 @@ void SetDefaults(user_settings *set)
// Target Info
set->common.keys.keyset = pki_TEST;
set->common.keys.accessDescSign.presetType = desc_NotSpecified;
set->common.keys.ignore_sign = false;
// Build NCCH Info
set->ncch.useSecCrypto = true;
@@ -195,6 +196,7 @@ int SetArgument(int argc, int i, char *argv[], user_settings *set)
}
return 2;
}
/*
else if (strcmp(argv[i], "-ckeyid") == 0) {
if (ParamNum != 1) {
PrintArgReqParam(argv[i], 1);
@@ -222,6 +224,7 @@ int SetArgument(int argc, int i, char *argv[], user_settings *set)
}
return 2;
}
*/
else if (strcmp(argv[i], "-showkeys") == 0) {
if (ParamNum) {
PrintNoNeedParam(argv[i]);
@@ -230,12 +233,12 @@ int SetArgument(int argc, int i, char *argv[], user_settings *set)
set->common.keys.dumpkeys = true;
return 1;
}
else if (strcmp(argv[i], "-fsign") == 0) {
else if (strcmp(argv[i], "-ignoresign") == 0) {
if (ParamNum) {
PrintNoNeedParam(argv[i]);
return USR_BAD_ARG;
}
set->common.keys.rsa.isFalseSign = true;
set->common.keys.ignore_sign = true;
return 1;
}
@@ -949,10 +952,11 @@ void DisplayExtendedHelp(char *app_name)
printf(" 't' Test(false) Keys & prod Certs\n");
printf(" 'd' Development Keys & Certs\n");
printf(" 'p' Production Keys & Certs\n");
printf(" -ckeyid <index> Override the automatic common key selection\n");
printf(" -ncchseckey <index> Ncch keyX index ('0'=1.0+, '1'=7.0+)\n");
//printf(" -ckeyid <index> Override the automatic common key selection\n");
//printf(" -ncchseckey <index> Ncch keyX index ('0'=1.0+, '1'=7.0+)\n");
printf(" -showkeys Display the loaded key chain\n");
printf(" -fsign Ignore invalid signatures\n");
//printf(" -fsign False sign digital signatures\n");
printf(" -ignoresign Ignore invalid signatures\n");
printf("NCCH OPTIONS:\n");
printf(" -elf <file> ELF file\n");
printf(" -icon <file> Icon file\n");