#include <matrix.h>\r
#include <stdio.h>\r
\r
+#include <olm/sas.h>\r
+\r
#define SERVER "https://matrix.org"\r
-#define ACCESS_TOKEN "syt_cHNjaG8_yBvTjVTquGCikvsAenOJ_49mBMO"\r
-#define DEVICE_ID "MAZNCCZLBR"\r
-#define ROOM_ID "!koVStwyiiKcBVbXZYz:matrix.org"\r
-#define EVENT_ID ""\r
+#define USER_ID "@pscho:matrix.org"\r
+#define DEVICE_ID "ULZZOKJBYN"\r
+#define SENDER_KEY "LvVdoHsRRWNxRmG2GO2vky6o6S8RzADpPAaELsd1rjU"\r
+#define ROOM_ID "!XKFUjAsGrSSrpDFIxB:matrix.org"\r
+#define EVENT_ID "$_-y42DkC3OmJ_s40gYko7jMwrUQhoXfEut2pMV3E2J8"\r
+#define SESSION_ID "tzdnJbDrm82D/RpgkZKpILTifQ5Rads+tVzp3ax8+Ls"\r
+\r
+void\r
+GetLine(char * buffer, int n) {\r
+ int c;\r
+ int len = 0;\r
+\r
+ while ((c = getchar()) != '\n' && len < n-1)\r
+ buffer[len++] = c;\r
+ \r
+ buffer[len] = '\0';\r
+}\r
\r
int\r
main(void)\r
\r
MatrixHttpInit(&client);\r
\r
- MatrixClientSetAccessToken(&client,\r
- ACCESS_TOKEN);\r
+ MatrixClientSetUserId(&client, USER_ID);\r
+\r
+ MatrixClientLoginPassword(&client,\r
+ "pscho",\r
+ "Wc23EbmB9G3faMq",\r
+ "Test1");\r
+\r
+ printf("deviceId: %s\n", client.deviceId);\r
+\r
+ MatrixClientGenerateOnetimeKeys(&client, 10);\r
+ MatrixClientUploadOnetimeKeys(&client);\r
+ MatrixClientUploadDeviceKey(&client);\r
\r
static char eventBuffer[1024];\r
MatrixClientGetRoomEvent(&client,\r
ROOM_ID,\r
EVENT_ID,\r
eventBuffer, 1024);\r
+ \r
+ printf("event: %s\n", eventBuffer);\r
+\r
+ // verify\r
+ char theirDeviceKey[DEVICE_KEY_SIZE];\r
+ MatrixClientRequestDeviceKey(&client,\r
+ DEVICE_ID,\r
+ theirDeviceKey, DEVICE_KEY_SIZE);\r
+ \r
+ char transactionId[256];\r
+ GetLine(transactionId, 128);\r
+\r
+ char verificationReadyBuffer[2048];\r
+ snprintf(verificationReadyBuffer, 2048,\r
+ "{"\r
+ "\"from_device\":\"%s\","\r
+ "\"methods\":[\"m.sas.v1\"],"\r
+ "\"transaction_id\":\"%s\""\r
+ "}",\r
+ client.deviceId,\r
+ transactionId);\r
+ \r
+ MatrixClientSendToDevice(&client,\r
+ USER_ID,\r
+ DEVICE_ID,\r
+ verificationReadyBuffer,\r
+ "m.key.verification.ready");\r
+ \r
+ OlmSAS * olmSas = olm_sas(malloc(olm_sas_size()));\r
+ void * sasRandomBytes = malloc(olm_create_sas_random_length(olmSas));\r
+ olm_create_sas(olmSas,\r
+ sasRandomBytes,\r
+ olm_create_sas_random_length(olmSas));\r
+ \r
+ OlmUtility * olmUtil = olm_utility(malloc(olm_utility_size()));\r
+ \r
+ char publicKey[128];\r
+ char keyStartJson[1024];\r
+ char concat[1024];\r
+ char commitment[256];\r
+ olm_sas_get_pubkey(olmSas,\r
+ publicKey,\r
+ 128);\r
+ GetLine(keyStartJson, 1024);\r
+ printf("keyStartJson: %s\n", keyStartJson);\r
+ int concatLen =\r
+ snprintf(concat, 1024, "%s%s", publicKey, keyStartJson);\r
+ printf("concat: %s\n", concat);\r
+ olm_sha256(olmUtil, concat, strlen(concat), commitment, 256);\r
+ printf("hash: %s\n", commitment);\r
+ \r
+ char verificationAcceptBuffer[2048];\r
+ snprintf(verificationAcceptBuffer, 2048,\r
+ "{"\r
+ "\"commitment\":\"%s\","\r
+ "\"hash\":\"sha256\","\r
+ "\"key_agreement_protocol\":\"curve25519\","\r
+ "\"message_authentication_code\":\"hkdf-hmac-sha256.v2\","\r
+ "\"method\":\"m.sas.v1\","\r
+ "\"short_authentication_string\":[\"decimal\"],"\r
+ "\"transaction_id\":\"%s\""\r
+ "}",\r
+ commitment,\r
+ transactionId);\r
+ \r
+ MatrixClientSendToDevice(&client,\r
+ USER_ID,\r
+ DEVICE_ID,\r
+ verificationAcceptBuffer,\r
+ "m.key.verification.accept");\r
+ \r
+ char theirPublicKey[128];\r
+ GetLine(theirPublicKey, 128);\r
+ olm_sas_set_their_key(olmSas, theirPublicKey, strlen(theirPublicKey));\r
+ \r
+ char verificationKeyBuffer[2048];\r
+ snprintf(verificationKeyBuffer, 2048,\r
+ "{"\r
+ "\"key\":\"%s\","\r
+ "\"transaction_id\":\"%s\""\r
+ "}",\r
+ publicKey,\r
+ transactionId);\r
+ \r
+ MatrixClientSendToDevice(&client,\r
+ USER_ID,\r
+ DEVICE_ID,\r
+ verificationKeyBuffer,\r
+ "m.key.verification.key");\r
+\r
+ char hkdfInfo[1024];\r
+ int hkdfInfoLen =\r
+ snprintf(hkdfInfo, 1024,\r
+ "MATRIX_KEY_VERIFICATION_SAS%s%s%s%s%s",\r
+ USER_ID,\r
+ DEVICE_ID,\r
+ USER_ID,\r
+ client.deviceId,\r
+ transactionId);\r
+\r
+ unsigned char sasBytes[5];\r
+ olm_sas_generate_bytes(olmSas,\r
+ hkdfInfo, hkdfInfoLen,\r
+ sasBytes, 5);\r
+ int b0 = sasBytes[0];\r
+ int b1 = sasBytes[1];\r
+ int b2 = sasBytes[2];\r
+ int b3 = sasBytes[3];\r
+ int b4 = sasBytes[4];\r
+ \r
+ printf("%d %d %d %d %d\n", b0, b1, b2, b3, b4);\r
\r
+ // https://spec.matrix.org/v1.7/client-server-api/#sas-method-decimal\r
+ printf("%d | %d | %d\n",\r
+ (b0 << 5 | b1 >> 3) + 1000,\r
+ ((b1 & 0x7) << 10 | b2 << 2 | b3 >> 6) + 1000,\r
+ ((b3 & 0x3F) << 7 | b4 >> 1) + 1000);\r
+ printf("%d | %d | %d\n",\r
+ ((b0 << 5) | (b1 >> 3)) + 1000,\r
+ (((b1 & 0x7) << 10) | (b2 << 2) | (b3 >> 6)) + 1000,\r
+ (((b3 & 0x3F) << 7) | (b4 >> 1)) + 1000);\r
+ \r
+ // mac\r
+ const char * masterKey = "vt8tJ5/SxqkvXS+XoGxr+4rJNe8fJfZT3/e/FTwlFsI";\r
+\r
+ char keyList[1024];\r
+ char keyListMac[1024];\r
+ char key1Id[1024];\r
+ char key1[1024];\r
+ char key1Mac[1024];\r
+ char key2Id[1024];\r
+ char key2[1024];\r
+ char key2Mac[1024];\r
+\r
+ if (strcmp(masterKey, client.deviceId) < 0) {\r
+ //strcpy(key1Id, masterKey);\r
+ snprintf(key1Id, 1024, "ed25519:%s", masterKey);\r
+ strcpy(key1, masterKey);\r
+ //strcpy(key2Id, client.deviceId);\r
+ snprintf(key2Id, 1024, "ed25519:%s", client.deviceId);\r
+ MatrixOlmAccountGetSigningKey(&client.olmAccount, key2, 1024);\r
+ }\r
+ else {\r
+ //strcpy(key1Id, client.deviceId);\r
+ snprintf(key1Id, 1024, "ed25519:%s", client.deviceId);\r
+ MatrixOlmAccountGetSigningKey(&client.olmAccount, key1, 1024);\r
+ //strcpy(key2Id, masterKey);\r
+ snprintf(key2Id, 1024, "ed25519:%s", masterKey);\r
+ strcpy(key2, masterKey);\r
+ }\r
+\r
+ snprintf(keyList, 1024,\r
+ "%s,%s", key1Id, key2Id);\r
+ \r
+ char macInfo[1024];\r
+ int macInfoLen;\r
+ {\r
+ macInfoLen =\r
+ snprintf(macInfo, 1024,\r
+ "MATRIX_KEY_VERIFICATION_MAC%s%s%s%s%s%s",\r
+ USER_ID,\r
+ client.deviceId,\r
+ USER_ID,\r
+ DEVICE_ID,\r
+ transactionId,\r
+ "KEY_IDS");\r
+ olm_sas_calculate_mac_fixed_base64(olmSas, keyList, strlen(keyList), macInfo, macInfoLen, keyListMac, 1024);\r
+ }\r
+ {\r
+ macInfoLen =\r
+ snprintf(macInfo, 1024,\r
+ "MATRIX_KEY_VERIFICATION_MAC%s%s%s%s%s%s",\r
+ USER_ID,\r
+ client.deviceId,\r
+ USER_ID,\r
+ DEVICE_ID,\r
+ transactionId,\r
+ key1Id);\r
+ olm_sas_calculate_mac_fixed_base64(olmSas, key1, strlen(key1), macInfo, macInfoLen, key1Mac, 1024);\r
+ }\r
+ {\r
+ macInfoLen =\r
+ snprintf(macInfo, 1024,\r
+ "MATRIX_KEY_VERIFICATION_MAC%s%s%s%s%s%s",\r
+ USER_ID,\r
+ client.deviceId,\r
+ USER_ID,\r
+ DEVICE_ID,\r
+ transactionId,\r
+ key2Id);\r
+ olm_sas_calculate_mac_fixed_base64(olmSas, key2, strlen(key2), macInfo, macInfoLen, key2Mac, 1024);\r
+ }\r
+\r
+ printf("send mac:");\r
+ getchar();\r
+\r
+ char verificationMacBuffer[2048];\r
+ snprintf(verificationMacBuffer, 2048,\r
+ "{"\r
+ "\"keys\":\"%s\","\r
+ "\"mac\":{"\r
+ "\"%s\":\"%s\","\r
+ "\"%s\":\"%s\""\r
+ "},"\r
+ "\"transaction_id\":\"%s\""\r
+ "}",\r
+ keyListMac,\r
+ key1Id,\r
+ key1Mac,\r
+ key2Id,\r
+ key2Mac,\r
+ transactionId);\r
+ \r
+ MatrixClientSendToDevice(&client,\r
+ USER_ID,\r
+ DEVICE_ID,\r
+ verificationMacBuffer,\r
+ "m.key.verification.mac");\r
+\r
+ printf("send done:");\r
+ getchar();\r
+\r
+ char verificationDoneBuffer[2048];\r
+ snprintf(verificationDoneBuffer, 2048,\r
+ "{"\r
+ "\"transaction_id\":\"%s\""\r
+ "}",\r
+ transactionId);\r
+ \r
+ MatrixClientSendToDevice(&client,\r
+ USER_ID,\r
+ DEVICE_ID,\r
+ verificationDoneBuffer,\r
+ "m.key.verification.done");\r
+ \r
+ // done\r
+\r
+ // request room key\r
+\r
+ getchar();\r
+ \r
MatrixMegolmInSession megolmSession;\r
\r
- MatrixClientRequestMegolmSession(&client,\r
+ MatrixClientRequestMegolmInSession(&client,\r
ROOM_ID,\r
- EVENT_ID,\r
+ SESSION_ID,\r
+ SENDER_KEY,\r
+ USER_ID,\r
+ DEVICE_ID,\r
&megolmSession);\r
\r
- static char decryptedBuffer[1024];\r
- MatrixMegolmSessionDecrypt(&megolmSession,\r
- eventBuffer,\r
- decryptedBuffer, 1024);\r
+ // // decrypt room key\r
+\r
+ MatrixOlmSession * olmSession;\r
+ MatrixClientGetOlmSession(&client,\r
+ USER_ID,\r
+ DEVICE_ID,\r
+ &olmSession);\r
+ static char encrypted[2048];\r
+ static char decrypted[2048];\r
+ printf("encrypted:");\r
+ gets(encrypted);\r
+ printf("(%d) %s;\n", strlen(encrypted), encrypted);\r
+ MatrixOlmSessionDecrypt(olmSession,\r
+ 1, encrypted, decrypted, 2048);\r
+ printf("decrypted: %s\n", decrypted);\r
+\r
+ // int c;\r
+ // while ((c = getchar()) != 'q') {\r
+ // printf("c: %c (%d)\n", c, c);\r
+ // static char syncBuffer[40000];\r
+ // MatrixClientSync(&client,\r
+ // syncBuffer, 40000);\r
+ // printf("sync: %s", syncBuffer);\r
+ // }\r
+\r
+\r
+ // static char decryptedBuffer[1024];\r
+ // MatrixMegolmInSessionDecrypt(&megolmSession,\r
+ // eventBuffer,\r
+ // decryptedBuffer, 1024);\r
+\r
+ // printf("%s\n", decryptedBuffer);\r
+\r
+ getchar();\r
\r
- printf("%s\n", decryptedBuffer);\r
+ MatrixClientDeleteDevice(&client);\r
\r
MatrixHttpDeinit(&client);\r
\r
return 0;\r
-}
\ No newline at end of file
+}\r
projects / matrix_esp_thesis / blobdiff