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Refine AES alter. key endianness code

pull/5841/head
ccli8 2017-09-27 18:42:12 +08:00 committed by adbridge
parent 77c53f8d06
commit 0a56b34d0e
2 changed files with 4 additions and 10 deletions
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7
features/mbedtls/targets/TARGET_NUVOTON/TARGET_M480/aes/aes_alt.c
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@ -87,12 +87,9 @@ int mbedtls_aes_setkey_enc( mbedtls_aes_context *ctx, const unsigned char *key,
return( MBEDTLS_ERR_AES_INVALID_KEY_LENGTH );
}
// key swap
/* Fetch key byte data in big-endian */
for( i = 0; i < ( keybits >> 5 ); i++ ) {
ctx->keys[i] = (*(key+i*4) << 24) |
(*(key+1+i*4) << 16) |
(*(key+2+i*4) << 8) |
(*(key+3+i*4) );
ctx->keys[i] = nu_get32_be(key + i * 4);
}
return( 0 );

7
features/mbedtls/targets/TARGET_NUVOTON/TARGET_NUC472/aes/aes_alt.c
View File

@ -87,12 +87,9 @@ int mbedtls_aes_setkey_enc( mbedtls_aes_context *ctx, const unsigned char *key,
return( MBEDTLS_ERR_AES_INVALID_KEY_LENGTH );
}
// key swap
/* Fetch key byte data in big-endian */
for( i = 0; i < ( keybits >> 5 ); i++ ) {
ctx->keys[i] = (*(key+i*4) << 24) |
(*(key+1+i*4) << 16) |
(*(key+2+i*4) << 8) |
(*(key+3+i*4) );
ctx->keys[i] = nu_get32_be(key + i * 4);
}
return( 0 );