diff options
Diffstat (limited to 'thirdparty/mbedtls/library/padlock.c')
| -rw-r--r-- | thirdparty/mbedtls/library/padlock.c | 76 |
1 files changed, 39 insertions, 37 deletions
diff --git a/thirdparty/mbedtls/library/padlock.c b/thirdparty/mbedtls/library/padlock.c index 837337413c..303f82c710 100644 --- a/thirdparty/mbedtls/library/padlock.c +++ b/thirdparty/mbedtls/library/padlock.c @@ -31,23 +31,24 @@ #include <string.h> +/* *INDENT-OFF* */ #ifndef asm #define asm __asm #endif +/* *INDENT-ON* */ #if defined(MBEDTLS_HAVE_X86) /* * PadLock detection routine */ -int mbedtls_padlock_has_support( int feature ) +int mbedtls_padlock_has_support(int feature) { static int flags = -1; int ebx = 0, edx = 0; - if( flags == -1 ) - { - asm( "movl %%ebx, %0 \n\t" + if (flags == -1) { + asm ("movl %%ebx, %0 \n\t" "movl $0xC0000000, %%eax \n\t" "cpuid \n\t" "cmpl $0xC0000001, %%eax \n\t" @@ -60,21 +61,21 @@ int mbedtls_padlock_has_support( int feature ) "movl %2, %%ebx \n\t" : "=m" (ebx), "=m" (edx) : "m" (ebx) - : "eax", "ecx", "edx" ); + : "eax", "ecx", "edx"); flags = edx; } - return( flags & feature ); + return flags & feature; } /* * PadLock AES-ECB block en(de)cryption */ -int mbedtls_padlock_xcryptecb( mbedtls_aes_context *ctx, - int mode, - const unsigned char input[16], - unsigned char output[16] ) +int mbedtls_padlock_xcryptecb(mbedtls_aes_context *ctx, + int mode, + const unsigned char input[16], + unsigned char output[16]) { int ebx = 0; uint32_t *rk; @@ -83,13 +84,13 @@ int mbedtls_padlock_xcryptecb( mbedtls_aes_context *ctx, unsigned char buf[256]; rk = ctx->rk; - blk = MBEDTLS_PADLOCK_ALIGN16( buf ); - memcpy( blk, input, 16 ); + blk = MBEDTLS_PADLOCK_ALIGN16(buf); + memcpy(blk, input, 16); - ctrl = blk + 4; - *ctrl = 0x80 | ctx->nr | ( ( ctx->nr + ( mode^1 ) - 10 ) << 9 ); + ctrl = blk + 4; + *ctrl = 0x80 | ctx->nr | ((ctx->nr + (mode^1) - 10) << 9); - asm( "pushfl \n\t" + asm ("pushfl \n\t" "popfl \n\t" "movl %%ebx, %0 \n\t" "movl $1, %%ecx \n\t" @@ -101,22 +102,22 @@ int mbedtls_padlock_xcryptecb( mbedtls_aes_context *ctx, "movl %1, %%ebx \n\t" : "=m" (ebx) : "m" (ebx), "m" (ctrl), "m" (rk), "m" (blk) - : "memory", "ecx", "edx", "esi", "edi" ); + : "memory", "ecx", "edx", "esi", "edi"); - memcpy( output, blk, 16 ); + memcpy(output, blk, 16); - return( 0 ); + return 0; } /* * PadLock AES-CBC buffer en(de)cryption */ -int mbedtls_padlock_xcryptcbc( mbedtls_aes_context *ctx, - int mode, - size_t length, - unsigned char iv[16], - const unsigned char *input, - unsigned char *output ) +int mbedtls_padlock_xcryptcbc(mbedtls_aes_context *ctx, + int mode, + size_t length, + unsigned char iv[16], + const unsigned char *input, + unsigned char *output) { int ebx = 0; size_t count; @@ -125,20 +126,21 @@ int mbedtls_padlock_xcryptcbc( mbedtls_aes_context *ctx, uint32_t *ctrl; unsigned char buf[256]; - if( ( (long) input & 15 ) != 0 || - ( (long) output & 15 ) != 0 ) - return( MBEDTLS_ERR_PADLOCK_DATA_MISALIGNED ); + if (((long) input & 15) != 0 || + ((long) output & 15) != 0) { + return MBEDTLS_ERR_PADLOCK_DATA_MISALIGNED; + } rk = ctx->rk; - iw = MBEDTLS_PADLOCK_ALIGN16( buf ); - memcpy( iw, iv, 16 ); + iw = MBEDTLS_PADLOCK_ALIGN16(buf); + memcpy(iw, iv, 16); - ctrl = iw + 4; - *ctrl = 0x80 | ctx->nr | ( ( ctx->nr + ( mode ^ 1 ) - 10 ) << 9 ); + ctrl = iw + 4; + *ctrl = 0x80 | ctx->nr | ((ctx->nr + (mode ^ 1) - 10) << 9); - count = ( length + 15 ) >> 4; + count = (length + 15) >> 4; - asm( "pushfl \n\t" + asm ("pushfl \n\t" "popfl \n\t" "movl %%ebx, %0 \n\t" "movl %2, %%ecx \n\t" @@ -151,12 +153,12 @@ int mbedtls_padlock_xcryptcbc( mbedtls_aes_context *ctx, "movl %1, %%ebx \n\t" : "=m" (ebx) : "m" (ebx), "m" (count), "m" (ctrl), - "m" (rk), "m" (input), "m" (output), "m" (iw) - : "memory", "eax", "ecx", "edx", "esi", "edi" ); + "m" (rk), "m" (input), "m" (output), "m" (iw) + : "memory", "eax", "ecx", "edx", "esi", "edi"); - memcpy( iv, iw, 16 ); + memcpy(iv, iw, 16); - return( 0 ); + return 0; } #endif /* MBEDTLS_HAVE_X86 */ |