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aes: Fix sequence point warning

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This commit is contained in:
Saleem Rashid 2017-07-31 20:58:31 +01:00 committed by Pavol Rusnak
parent ea30ebe393
commit f9ab9f828b
3 changed files with 14 additions and 11 deletions
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4
CMakeLists.txt
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@ -7,10 +7,6 @@ add_library(TrezorCrypto STATIC ${SOURCES})
target_include_directories(TrezorCrypto PUBLIC .) target_include_directories(TrezorCrypto PUBLIC .)
target_include_directories(TrezorCrypto PUBLIC ed25519-donna) target_include_directories(TrezorCrypto PUBLIC ed25519-donna)
# disable sequence point warnings where they are expected
set_source_files_properties(aeskey.c PROPERTIES
COMPILE_FLAGS -Wno-sequence-point)
target_compile_options(TrezorCrypto PRIVATE "-std=c99") target_compile_options(TrezorCrypto PRIVATE "-std=c99")
if(MSVC) if(MSVC)

1
Makefile
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@ -24,7 +24,6 @@ CFLAGS += $(OPTFLAGS) \
-Werror -Werror
# disable sequence point warning because of AES code # disable sequence point warning because of AES code
CFLAGS += -Wno-sequence-point
CFLAGS += -I. CFLAGS += -I.
CFLAGS += -Iaes CFLAGS += -Iaes
CFLAGS += -Ichacha20poly1305 CFLAGS += -Ichacha20poly1305

20
aes/aeskey.c
View File

@ -393,8 +393,11 @@ AES_RETURN aes_xi(decrypt_key192)(const unsigned char *key, aes_decrypt_ctx cx[1
cx->ks[v(48,(3))] = ss[3] = word_in(key, 3); cx->ks[v(48,(3))] = ss[3] = word_in(key, 3);
#ifdef DEC_KS_UNROLL #ifdef DEC_KS_UNROLL
cx->ks[v(48,(4))] = ff(ss[4] = word_in(key, 4)); ss[4] = word_in(key, 4);
cx->ks[v(48,(5))] = ff(ss[5] = word_in(key, 5)); ss[5] = word_in(key, 5);
cx->ks[v(48,(4))] = ff(ss[4]);
cx->ks[v(48,(5))] = ff(ss[5]);
kdf6(cx->ks, 0); kd6(cx->ks, 1); kdf6(cx->ks, 0); kd6(cx->ks, 1);
kd6(cx->ks, 2); kd6(cx->ks, 3); kd6(cx->ks, 2); kd6(cx->ks, 3);
kd6(cx->ks, 4); kd6(cx->ks, 5); kd6(cx->ks, 4); kd6(cx->ks, 5);
@ -485,10 +488,15 @@ AES_RETURN aes_xi(decrypt_key256)(const unsigned char *key, aes_decrypt_ctx cx[1
cx->ks[v(56,(3))] = ss[3] = word_in(key, 3); cx->ks[v(56,(3))] = ss[3] = word_in(key, 3);
#ifdef DEC_KS_UNROLL #ifdef DEC_KS_UNROLL
cx->ks[v(56,(4))] = ff(ss[4] = word_in(key, 4)); ss[4] = word_in(key, 4);
cx->ks[v(56,(5))] = ff(ss[5] = word_in(key, 5)); ss[5] = word_in(key, 5);
cx->ks[v(56,(6))] = ff(ss[6] = word_in(key, 6)); ss[6] = word_in(key, 6);
cx->ks[v(56,(7))] = ff(ss[7] = word_in(key, 7)); ss[7] = word_in(key, 7);
cx->ks[v(56,(4))] = ff(ss[4]);
cx->ks[v(56,(5))] = ff(ss[5]);
cx->ks[v(56,(6))] = ff(ss[6]);
cx->ks[v(56,(7))] = ff(ss[7]);
kdf8(cx->ks, 0); kd8(cx->ks, 1); kdf8(cx->ks, 0); kd8(cx->ks, 1);
kd8(cx->ks, 2); kd8(cx->ks, 3); kd8(cx->ks, 2); kd8(cx->ks, 3);
kd8(cx->ks, 4); kd8(cx->ks, 5); kd8(cx->ks, 4); kd8(cx->ks, 5);