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andreagilardoniandreagilardoni
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Merge branch 'main' into at-improvements
2 parents c09ffd6 + 3deddbe commit 2b3843a

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7 files changed

+94
-69
lines changed

7 files changed

+94
-69
lines changed

‎libraries/SE05X/src/SE05X.cpp‎

Lines changed: 38 additions & 34 deletions
Original file line numberDiff line numberDiff line change
@@ -69,7 +69,6 @@
6969
SE05X_EC_SIGNATURE_RAW_LENGTH
7070

7171
#define SE05X_SHA256_LENGTH 32
72-
#define SE05X_SN_LENGTH 18
7372

7473
#define SE05X_TEMP_OBJECT 9999
7574

@@ -108,22 +107,35 @@ void SE05XClass::end()
108107
Se05x_API_SessionClose(&_se05x_session);
109108
}
110109

110+
int SE05XClass::serialNumber(byte sn[])
111+
{
112+
return serialNumber(sn, SE05X_SN_LENGTH);
113+
}
114+
115+
int SE05XClass::serialNumber(byte sn[], size_t length)
116+
{
117+
size_t uidLen = length;
118+
const int kSE05x_AppletResID_UNIQUE_ID = 0x7FFF0206;
119+
smStatus_t status;
120+
121+
status = Se05x_API_ReadObject(&_se05x_session, kSE05x_AppletResID_UNIQUE_ID, 0, length, sn, &uidLen);
122+
if (status != SM_OK || length != uidLen) {
123+
SMLOG_E("Error in Se05x_API_ReadObject \n");
124+
return 0;
125+
}
126+
return 1;
127+
}
128+
111129
String SE05XClass::serialNumber()
112130
{
113131
String result = (char*)NULL;
114132
byte UID[SE05X_SN_LENGTH];
115-
size_t uidLen = SE05X_SN_LENGTH;
116-
const int kSE05x_AppletResID_UNIQUE_ID = 0x7FFF0206,
117133

118-
status = Se05x_API_ReadObject(&_se05x_session, kSE05x_AppletResID_UNIQUE_ID, 0, uidLen, UID, &uidLen);
119-
if (status != SM_OK) {
120-
SMLOG_E("Error in Se05x_API_ReadObject \n");
121-
return "";
122-
}
134+
serialNumber(UID, sizeof(UID));
123135

124-
result.reserve(uidLen * 2);
136+
result.reserve(SE05X_SN_LENGTH * 2);
125137

126-
for (size_t i = 0; i < uidLen; i++) {
138+
for (size_t i = 0; i < SE05X_SN_LENGTH; i++) {
127139
byte b = UID[i];
128140

129141
if (b < 16) {
@@ -168,11 +180,11 @@ int SE05XClass::random(byte data[], size_t length)
168180
smStatus_t status;
169181
uint16_t offset = 0;
170182
uint16_t left = length;
171-
183+
172184
while (left > 0) {
173185
uint16_t chunk = (left > SE05X_MAX_CHUNK_SIZE) ? SE05X_MAX_CHUNK_SIZE : left;
174186
size_t max_buffer = chunk;
175-
187+
176188
status = Se05x_API_GetRandom(&_se05x_session, chunk, (data + offset), &max_buffer);
177189
if (status != SM_OK) {
178190
SMLOG_E("Error in Se05x_API_GetRandom \n");
@@ -337,7 +349,7 @@ int SE05XClass::beginSHA256()
337349
{
338350
smStatus_t status;
339351
SE05x_CryptoModeSubType_t subtype;
340-
352+
341353
subtype.digest = kSE05x_DigestMode_SHA256;
342354

343355
status = Se05x_API_CreateCryptoObject(&_se05x_session, kSE05x_CryptoObject_DIGEST_SHA256, kSE05x_CryptoContext_DIGEST, subtype);
@@ -357,7 +369,7 @@ int SE05XClass::beginSHA256()
357369
int SE05XClass::updateSHA256(const byte in[], size_t inLen)
358370
{
359371
smStatus_t status;
360-
372+
361373
status = Se05x_API_DigestUpdate(&_se05x_session, kSE05x_CryptoObject_DIGEST_SHA256, in, inLen);
362374
if (status != SM_OK) {
363375
SMLOG_E("Error in Se05x_API_DigestUpdate \n");
@@ -374,7 +386,7 @@ int SE05XClass::endSHA256(byte out[], size_t* outLen)
374386
if (*outLen < SE05X_SHA256_LENGTH) {
375387
SMLOG_E("Error in endSHA256 \n");
376388
*outLen = 0;
377-
return 0;
389+
return 0;
378390
}
379391

380392
status = Se05x_API_DigestFinal(&_se05x_session, kSE05x_CryptoObject_DIGEST_SHA256, NULL, 0, out, outLen);
@@ -530,7 +542,7 @@ int SE05XClass::ecdsaVerify(const byte message[], const byte signature[], const
530542
}
531543

532544
if (!deleteBinaryObject(SE05X_TEMP_OBJECT)) {
533-
SMLOG_E("ecdsaVerify failure deleting temporary object\n");
545+
SMLOG_E("ecdsaVerify failure deleting temporary object\n");
534546
return 0;
535547
}
536548

@@ -574,7 +586,7 @@ int SE05XClass::readBinaryObject(int objectId, byte data[], size_t dataMaxLen, s
574586
while (left > 0) {
575587
uint16_t chunk = (left > SE05X_MAX_CHUNK_SIZE) ? SE05X_MAX_CHUNK_SIZE : left;
576588
size_t max_buffer = chunk;
577-
589+
578590
status = Se05x_API_ReadObject(&_se05x_session, objectId, offset, chunk, (data + offset), &max_buffer);
579591
if (status != SM_OK) {
580592
SMLOG_E("Error in Se05x_API_ReadObject \n");
@@ -621,8 +633,6 @@ int SE05XClass::writeAESKey(int objectId, const byte data[], size_t length)
621633
{
622634
smStatus_t status;
623635
SE05x_Result_t result;
624-
uint16_t offset = 0;
625-
uint16_t size;
626636

627637
status = Se05x_API_CheckObjectExists(&_se05x_session, objectId, &result);
628638
if (status != SM_OK) {
@@ -635,9 +645,7 @@ int SE05XClass::writeAESKey(int objectId, const byte data[], size_t length)
635645
return 0;
636646
}
637647

638-
uint16_t left = length;
639-
640-
status = Se05x_API_WriteSymmKey(&_se05x_session, NULL, 3, objectId, NULL, data, length, kSE05x_INS_NA, kSE05x_SymmKeyType_AES);
648+
status = Se05x_API_WriteSymmKey(&_se05x_session, NULL, 3, objectId, SE05x_KeyID_KEK_NONE, data, length, kSE05x_INS_NA, kSE05x_SymmKeyType_AES);
641649

642650
if (status != SM_OK) {
643651
SMLOG_E("Error in Se05x_API_WriteSymmKey \n");
@@ -650,9 +658,6 @@ int SE05XClass::writeHMACKey(int objectId, const byte data[], size_t length)
650658
{
651659
smStatus_t status;
652660
SE05x_Result_t result;
653-
uint8_t exists = 0;
654-
uint16_t offset = 0;
655-
uint16_t size;
656661

657662
status = Se05x_API_CheckObjectExists(&_se05x_session, objectId, &result);
658663
if (status != SM_OK) {
@@ -662,7 +667,6 @@ int SE05XClass::writeHMACKey(int objectId, const byte data[], size_t length)
662667

663668
if (result == kSE05x_Result_SUCCESS) {
664669
SMLOG_E("Object exists \n");
665-
exists = 1;
666670
}
667671

668672
status = Se05x_API_WriteSymmKey(&_se05x_session, NULL, 0, objectId, SE05x_KeyID_KEK_NONE, data, length, kSE05x_INS_NA, kSE05x_SymmKeyType_HMAC);
@@ -784,9 +788,9 @@ int SE05XClass::getECKeyXyValuesFromDER(byte* derKey, size_t derLen, byte* rawKe
784788
if(*rawLen < SE05X_EC_KEY_RAW_LENGTH) {
785789
SMLOG_E("Error in getECKeyXyValuesFromDER \n");
786790
*rawLen = 0;
787-
return 0;
791+
return 0;
788792
}
789-
793+
790794
/* XY values are stored in the last 64 bytes of DER buffer */
791795
*rawLen = SE05X_EC_KEY_RAW_LENGTH;
792796
memcpy(rawKey, &derKey[derLen - SE05X_EC_KEY_RAW_LENGTH], SE05X_EC_KEY_RAW_LENGTH);
@@ -799,15 +803,15 @@ int SE05XClass::setECKeyXyVauesInDER(const byte* rawKey, size_t rawLen, byte* de
799803
if(rawLen != SE05X_EC_KEY_RAW_LENGTH) {
800804
SMLOG_E("Error in setECKeyXyVauesInDER invalid raw key\n");
801805
*derLen = 0;
802-
return 0;
806+
return 0;
803807
}
804808

805809
if(*derLen < SE05X_EC_KEY_DER_LENGTH) {
806810
SMLOG_E("Error in setECKeyXyVauesInDER buffer too small\n");
807811
*derLen = 0;
808-
return 0;
812+
return 0;
809813
}
810-
814+
811815
/* Copy header byte from 0 to 25 */
812816
memcpy(&derKey[0], &ecc_der_header_nist256[0], SE05X_EC_KEY_DER_HEADER_LENGTH);
813817
/* Add format byte */
@@ -827,13 +831,13 @@ int SE05XClass::getECSignatureRsValuesFromDER(byte* derSignature, size_t derLen,
827831
if ((derLen < SE05X_EC_SIGNATURE_MIN_DER_LENGTH) || (derLen > SE05X_EC_SIGNATURE_MAX_DER_LENGTH)) {
828832
SMLOG_E("Error in getECSignatureRsValuesFromDER invalid signature\n");
829833
*rawLen = 0;
830-
return 0;
834+
return 0;
831835
}
832836

833837
if (*rawLen < SE05X_EC_SIGNATURE_RAW_LENGTH) {
834838
SMLOG_E("Error in getECSignatureRsValuesFromDER buffer too small\n");
835839
*rawLen = 0;
836-
return 0;
840+
return 0;
837841
}
838842

839843
rLen = derSignature[3];
@@ -868,7 +872,7 @@ int SE05XClass::setECSignatureRsValuesInDER(const byte* rawSignature, size_t raw
868872
{
869873
/**
870874
* Always consider worst case with padding
871-
*
875+
*
872876
* | 0x30 0x46 0x02 0x21 0x00 | R values 32 bytes | 0x02 0x21 0x00 | S values 32 bytes |
873877
*
874878
*/

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