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* master: (24 commits) [MenuList] * partialy revert aa2c1a7 add vti workaroud [ServiceScan.py] Update after this commit aa2c1a7! [dvbci_ccmgr_helper] * Replace call to the non reentrant function "localtime" by a call to "localtime_r". ci add ci+ 1.4 support [skin.py] Small corrections and adjustments [TemplatedMultiContent.py] Sort imports [MultiContent.py] Remove unneeded import [eListbox] * rename setSpacerColor -> setSpacingColor GUI Updates (#2943) [Geolocation.py] Code updates (#2950) [main] * checkInternetAccess change return codes to: [Timers] * remove duplicate getSpace Unicable connected (#2949) [enigma] (#2947) [StackTrace.py] Small code clean up multiboot fix slot R target selection for kexecmultiboot information.py, multiboot sortslots [VideoWizard] * stop timer after press red for language selection [VideoWizard] * enable red button for language selection in video wizard ...
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| #include <stdint.h> | ||
| #include <string.h> | ||
| #include <openssl/aes.h> | ||
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| #include "aes_xcbc_mac.h" | ||
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| int aes_xcbc_mac_init(struct aes_xcbc_mac_ctx *ctx, const uint8_t *key) | ||
| { | ||
| AES_KEY aes_key; | ||
| int y, x; | ||
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| AES_set_encrypt_key(key, 128, &aes_key); | ||
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| for (y = 0; y < 3; y++) { | ||
| for (x = 0; x < 16; x++) | ||
| ctx->K[y][x] = y + 1; | ||
| AES_ecb_encrypt(ctx->K[y], ctx->K[y], &aes_key, 1); | ||
| } | ||
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| /* setup K1 */ | ||
| AES_set_encrypt_key(ctx->K[0], 128, &ctx->key); | ||
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| memset(ctx->IV, 0, 16); | ||
| ctx->buflen = 0; | ||
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| return 0; | ||
| } | ||
|
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| int aes_xcbc_mac_process(struct aes_xcbc_mac_ctx *ctx, const uint8_t *in, unsigned int len) | ||
| { | ||
| while (len) { | ||
| if (ctx->buflen == 16) { | ||
| AES_ecb_encrypt(ctx->IV, ctx->IV, &ctx->key, 1); | ||
| ctx->buflen = 0; | ||
| } | ||
| ctx->IV[ctx->buflen++] ^= *in++; | ||
| --len; | ||
| } | ||
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| return 0; | ||
| } | ||
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| int aes_xcbc_mac_done(struct aes_xcbc_mac_ctx *ctx, uint8_t *out) | ||
| { | ||
| int i; | ||
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| if (ctx->buflen == 16) { | ||
| /* K2 */ | ||
| for (i = 0; i < 16; i++) | ||
| ctx->IV[i] ^= ctx->K[1][i]; | ||
| } else { | ||
| ctx->IV[ctx->buflen] ^= 0x80; | ||
| /* K3 */ | ||
| for (i = 0; i < 16; i++) | ||
| ctx->IV[i] ^= ctx->K[2][i]; | ||
| } | ||
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| AES_ecb_encrypt(ctx->IV, ctx->IV, &ctx->key, 1); | ||
| memcpy(out, ctx->IV, 16); | ||
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| return 0; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| #ifndef __AES_XCBC_H_ | ||
| #define __AES_XCBC_H_ | ||
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| #include <openssl/aes.h> | ||
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| struct aes_xcbc_mac_ctx { | ||
| uint8_t K[3][16]; | ||
| uint8_t IV[16]; | ||
| AES_KEY key; | ||
| int buflen; | ||
| }; | ||
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| int aes_xcbc_mac_init(struct aes_xcbc_mac_ctx *ctx, const uint8_t *key); | ||
| int aes_xcbc_mac_process(struct aes_xcbc_mac_ctx *ctx, const uint8_t *in, unsigned int len); | ||
| int aes_xcbc_mac_done(struct aes_xcbc_mac_ctx *ctx, uint8_t *out); | ||
|
|
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| #endif |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,111 @@ | ||
| #include <stdio.h> | ||
| #include <string.h> | ||
| #include <unistd.h> | ||
| #include <fcntl.h> | ||
| #include <stdlib.h> | ||
| #include <sys/ioctl.h> | ||
| #include <linux/dvb/ca.h> | ||
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| #include <lib/base/eerror.h> | ||
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| #ifndef CA_SET_PID | ||
| /** | ||
| * CA_SET_PID and ca_pid struct removed on 4.14 kernel | ||
| * Check commit 833ff5e7feda1a042b83e82208cef3d212ca0ef1 | ||
| **/ | ||
| struct ca_pid { | ||
| unsigned int pid; | ||
| int index; /* -1 == disable*/ | ||
| }; | ||
| #define CA_SET_PID _IOW('o', 135, struct ca_pid) | ||
| #endif | ||
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| enum ca_descr_data_type { | ||
| CA_DATA_IV, | ||
| CA_DATA_KEY, | ||
| }; | ||
|
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| enum ca_descr_parity { | ||
| CA_PARITY_EVEN, | ||
| CA_PARITY_ODD, | ||
| }; | ||
|
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| struct ca_descr_data { | ||
| unsigned int index; | ||
| enum ca_descr_parity parity; | ||
| enum ca_descr_data_type data_type; | ||
| unsigned int length; | ||
| unsigned char *data; | ||
| }; | ||
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| #define CA_SET_DESCR_DATA _IOW('o', 137, struct ca_descr_data) | ||
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| int descrambler_set_key(int desc_fd, int index, int parity, unsigned char *data) | ||
| { | ||
| struct ca_descr_data d; | ||
|
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| d.index = index; | ||
| d.parity = (enum ca_descr_parity)parity; | ||
| d.data_type = CA_DATA_KEY; | ||
| d.length = 16; | ||
| d.data = data; | ||
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| if (ioctl(desc_fd, CA_SET_DESCR_DATA, &d) == -1) { | ||
| eWarning("[CI descrambler] set key failed"); | ||
| return -1; | ||
| } | ||
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| d.index = index; | ||
| d.parity = (enum ca_descr_parity)parity; | ||
| d.data_type = CA_DATA_IV; | ||
| d.length = 16; | ||
| d.data = data + 16; | ||
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| if (ioctl(desc_fd, CA_SET_DESCR_DATA, &d) == -1) { | ||
| eWarning("[CI descrambler] set iv failed"); | ||
| return -1; | ||
| } | ||
|
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| return 0; | ||
| } | ||
|
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| int descrambler_set_pid(int desc_fd, int index, int enable, int pid) | ||
| { | ||
| struct ca_pid p; | ||
| unsigned int flags = 0x80; | ||
|
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| if (index) | ||
| flags |= 0x40; | ||
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| if (enable) | ||
| flags |= 0x20; | ||
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| p.pid = pid; | ||
| p.index = flags; | ||
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| if (ioctl(desc_fd, CA_SET_PID, &p) == -1) { | ||
| eWarning("[CI descrambler] set pid failed"); | ||
| return -1; | ||
| } | ||
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| return 0; | ||
| } | ||
|
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| int descrambler_init(void) | ||
| { | ||
| int desc_fd; | ||
| const char *filename = "/dev/dvb/adapter0/ca0"; | ||
|
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| desc_fd = open(filename, O_RDWR); | ||
| if (desc_fd == -1) { | ||
| eWarning("[CI descrambler] can not open %s", filename); | ||
| } | ||
|
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| return desc_fd; | ||
| } | ||
|
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| void descrambler_deinit(int desc_fd) | ||
| { | ||
| close(desc_fd); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| #ifndef __DESCR_H_ | ||
| #define __DESCR_H_ | ||
|
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| int descrambler_init(void); | ||
| void descrambler_deinit(int desc_fd); | ||
| int descrambler_set_key(int desc_fd, int index, int parity, unsigned char *data); | ||
| int descrambler_set_pid(int desc_fd, int index, int enable, int pid); | ||
|
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| #endif |
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