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/* Generate a session key and RC4 keys, given client and server randoms */ |
/* Generate a session key and RC4 keys, given client and server randoms */ |
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static void |
static void |
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licence_generate_keys(uint8 * client_key, uint8 * server_key, uint8 * client_rsa) |
licence_generate_keys(uint8 * client_random, uint8 * server_random, uint8 * pre_master_secret) |
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{ |
{ |
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uint8 session_key[48]; |
uint8 master_secret[48]; |
42 |
uint8 temp_hash[48]; |
uint8 key_block[48]; |
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/* Generate session key - two rounds of sec_hash_48 */ |
/* Generate master secret and then key material */ |
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sec_hash_48(temp_hash, client_rsa, client_key, server_key, 65); |
sec_hash_48(master_secret, pre_master_secret, client_random, server_random, 'A'); |
46 |
sec_hash_48(session_key, temp_hash, server_key, client_key, 65); |
sec_hash_48(key_block, master_secret, server_random, client_random, 'A'); |
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48 |
/* Store first 16 bytes of session key, for generating signatures */ |
/* Store first 16 bytes of session key as MAC secret */ |
49 |
memcpy(g_licence_sign_key, session_key, 16); |
memcpy(g_licence_sign_key, key_block, 16); |
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51 |
/* Generate RC4 key */ |
/* Generate RC4 key from next 16 bytes */ |
52 |
sec_hash_16(g_licence_key, &session_key[16], client_key, server_key); |
sec_hash_16(g_licence_key, &key_block[16], client_random, server_random); |
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} |
} |
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55 |
static void |
static void |