| Message ID | 1461490813-5032-1-git-send-email-holger@freyther.de |
|---|---|
| State | New |
| Headers | show |
I would feel more comfortable to just link (optionally) to external crypto library which is actively maintained (nettle? libgcrypt?) rather than fixing copy-pasted code. On 04/24/2016 11:40 AM, Holger Hans Peter Freyther wrote: > From: Holger Hans Peter Freyther <holger@moiji-mobile.com> > > Extend the u8 to u32 before going to shift it. > > Fixes: > milenage/aes-internal.c:799:4: runtime error: left shift of 128 by 24 places cannot be represented in type 'int' > #0 0x7f84e9fe86a2 in rijndaelKeySetupEnc (/home/builder/jenkins/workspace/Osmocom_Sanitizer/source/libosmocore/src/gsm/.libs/libosmogsm.so.5+0xfa6a2) > #1 0x7f84e9febad8 in aes_encrypt_init (/home/builder/jenkins/workspace/Osmocom_Sanitizer/source/libosmocore/src/gsm/.libs/libosmogsm.so.5+0xfdad8) > #2 0x7f84e9fe7d14 in aes_128_encrypt_block (/home/builder/jenkins/workspace/Osmocom_Sanitizer/source/libosmocore/src/gsm/.libs/libosmogsm.so.5+0xf9d14) > #3 0x7f84e9febe7d in milenage_f1 (/home/builder/jenkins/workspace/Osmocom_Sanitizer/source/libosmocore/src/gsm/.libs/libosmogsm.so.5+0xfde7d) > #4 0x7f84e9fee2ce in milenage_generate (/home/builder/jenkins/workspace/Osmocom_Sanitizer/source/libosmocore/src/gsm/.libs/libosmogsm.so.5+0x1002ce) > #5 0x7f84e9fe76d7 in milenage_gen_vec (/home/builder/jenkins/workspace/Osmocom_Sanitizer/source/libosmocore/src/gsm/.libs/libosmogsm.so.5+0xf96d7) > #6 0x7f84e9fe6c08 in osmo_auth_gen_vec (/home/builder/jenkins/workspace/Osmocom_Sanitizer/source/libosmocore/src/gsm/.libs/libosmogsm.so.5+0xf8c08) > #7 0x401441 in main (/home/builder/jenkins/workspace/Osmocom_Sanitizer/source/libosmocore/tests/auth/.libs/lt-milenage_test+0x401441) > #8 0x7f84e8e33a3f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x20a3f) > #9 0x400e58 in _start (/home/builder/jenkins/workspace/Osmocom_Sanitizer/source/libosmocore/tests/auth/.libs/lt-milenage_test+0x400e58) > --- > src/gsm/milenage/aes_i.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/src/gsm/milenage/aes_i.h b/src/gsm/milenage/aes_i.h > index c831757..5d89abc 100644 > --- a/src/gsm/milenage/aes_i.h > +++ b/src/gsm/milenage/aes_i.h > @@ -66,7 +66,7 @@ extern const u8 rcons[10]; > > #else /* AES_SMALL_TABLES */ > > -#define RCON(i) (rcons[(i)] << 24) > +#define RCON(i) ((u32)rcons[(i)] << 24) > > static inline u32 rotr(u32 val, int bits) > {
diff --git a/src/gsm/milenage/aes_i.h b/src/gsm/milenage/aes_i.h index c831757..5d89abc 100644 --- a/src/gsm/milenage/aes_i.h +++ b/src/gsm/milenage/aes_i.h @@ -66,7 +66,7 @@ extern const u8 rcons[10]; #else /* AES_SMALL_TABLES */ -#define RCON(i) (rcons[(i)] << 24) +#define RCON(i) ((u32)rcons[(i)] << 24) static inline u32 rotr(u32 val, int bits) {
From: Holger Hans Peter Freyther <holger@moiji-mobile.com> Extend the u8 to u32 before going to shift it. Fixes: milenage/aes-internal.c:799:4: runtime error: left shift of 128 by 24 places cannot be represented in type 'int' #0 0x7f84e9fe86a2 in rijndaelKeySetupEnc (/home/builder/jenkins/workspace/Osmocom_Sanitizer/source/libosmocore/src/gsm/.libs/libosmogsm.so.5+0xfa6a2) #1 0x7f84e9febad8 in aes_encrypt_init (/home/builder/jenkins/workspace/Osmocom_Sanitizer/source/libosmocore/src/gsm/.libs/libosmogsm.so.5+0xfdad8) #2 0x7f84e9fe7d14 in aes_128_encrypt_block (/home/builder/jenkins/workspace/Osmocom_Sanitizer/source/libosmocore/src/gsm/.libs/libosmogsm.so.5+0xf9d14) #3 0x7f84e9febe7d in milenage_f1 (/home/builder/jenkins/workspace/Osmocom_Sanitizer/source/libosmocore/src/gsm/.libs/libosmogsm.so.5+0xfde7d) #4 0x7f84e9fee2ce in milenage_generate (/home/builder/jenkins/workspace/Osmocom_Sanitizer/source/libosmocore/src/gsm/.libs/libosmogsm.so.5+0x1002ce) #5 0x7f84e9fe76d7 in milenage_gen_vec (/home/builder/jenkins/workspace/Osmocom_Sanitizer/source/libosmocore/src/gsm/.libs/libosmogsm.so.5+0xf96d7) #6 0x7f84e9fe6c08 in osmo_auth_gen_vec (/home/builder/jenkins/workspace/Osmocom_Sanitizer/source/libosmocore/src/gsm/.libs/libosmogsm.so.5+0xf8c08) #7 0x401441 in main (/home/builder/jenkins/workspace/Osmocom_Sanitizer/source/libosmocore/tests/auth/.libs/lt-milenage_test+0x401441) #8 0x7f84e8e33a3f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x20a3f) #9 0x400e58 in _start (/home/builder/jenkins/workspace/Osmocom_Sanitizer/source/libosmocore/tests/auth/.libs/lt-milenage_test+0x400e58) --- src/gsm/milenage/aes_i.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)