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add fixme: enforce 8 byte length of Kc 

Change-Id: I57efb0a24cb71b365189eccb5088b130fad15093
This commit is contained in:
Neels Hofmeyr 2021-06-10 00:47:03 +02:00
parent c7f547f897
commit 26e53b181c
1 changed files with 4 additions and 0 deletions
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4
src/gsm/gsm0808_utils.c
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@ -721,6 +721,8 @@ uint8_t gsm0808_enc_encrypt_info(struct msgb *msg,
}
msgb_put_u8(msg, perm_algo);
/* FIXME: 48.008 3.2.2.10 Encryption Information says:
* "When present, the key shall be 8 octets long." */
ptr = msgb_put(msg, ei->key_len);
memcpy(ptr, ei->key, ei->key_len);
@ -760,6 +762,8 @@ int gsm0808_dec_encrypt_info(struct gsm0808_encrypt_info *ei,
}
ei->perm_algo_len = perm_algo_len;
/* FIXME: 48.008 3.2.2.10 Encryption Information says:
* "When present, the key shall be 8 octets long." */
ei->key_len = len - 1;
memcpy(ei->key, elem, ei->key_len);
elem+=ei->key_len;