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rtpengine/t/aead-decrypt.c

72 lines
1.7 KiB

#include <assert.h>
#include "crypto.h"
#include "rtplib.h"
#include "log.h"
#include "main.h"
#include "ssrc.h"
#include "rtp.h"
#include "../kernel-module/common_stats.h"
struct rtpengine_config rtpe_config = {
};
int get_local_log_level(unsigned int u) {
return -1;
}
int main(int argc, char **argv) {
if (argc < 5) {
printf("Usage: %s <suite> <key> <salt> <packet>\n", argv[0]);
printf("Example: %s AEAD_AES_256_GCM \\\n", argv[0]);
printf(" F4mVFvZGU/S50OXT17xvKHCC/8CV5vgp8OgmAlFpKcc= \\\n");
printf(" fNAN6151Wc6DgFEZ gAhqUYthx4ivfuWtbtq...\n");
return 1;
}
crypto_init_main();
str suite;
suite = STR(argv[1]);
struct crypto_context cc = {0};
cc.params.crypto_suite = crypto_find_suite(&suite);
assert(cc.params.crypto_suite);
const char *key64 = argv[2];
const char *salt64 = argv[3];
size_t len;
uint8_t *key = g_base64_decode(key64, &len);
assert(len == cc.params.crypto_suite->master_key_len);
uint8_t *salt = g_base64_decode(salt64, &len);
assert(len == cc.params.crypto_suite->master_salt_len);
memcpy(cc.params.master_key, key, cc.params.crypto_suite->master_key_len);
memcpy(cc.params.master_salt, salt, cc.params.crypto_suite->master_salt_len);
const char *pack64 = argv[4];
uint8_t *pack = g_base64_decode(pack64, &len);
str s = STR_LEN((char *) pack, len);
unsigned int roc = 0;
if (argc >= 6)
roc = atoi(argv[5]);
struct ssrc_stats stats = {
.ext_seq = roc << 16,
};
struct ssrc_entry_call se = {
.input_ctx = {
.parent = &se,
.stats = &stats,
},
};
int ret = rtp_savp2avp(&s, &cc, &se.input_ctx);
assert(ret == 0);
printf("idx %d ROC %d\n", se.input_ctx.stats->ext_seq, se.input_ctx.stats->ext_seq >> 16);
return 0;
}