mirror of
https://github.com/projectacrn/acrn-hypervisor.git
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hv: fix violations in sha256.c for crypto lib
-remove goto -remove multiple return -Modify assignment operator in boolean expression -Modify/fix code style violations -fix attempt to change parameters passed by value -fix value need U suffix -fix use of mixed arithmetic -fix assigment in expression -other fixes Tracked-On: #861 Signed-off-by: Chen Gang G <gang.g.chen@intel.com> Reviewed-by: Bing Zhu <bing.zhu@intel.com> Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Chen Gang G
wenlingz
parent
488e7b2a8c
commit
c230a1a6c8
@ -34,38 +34,36 @@
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#ifndef GET_UINT32_BE
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#define GET_UINT32_BE(n,b,i) \
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do { \
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(n) = ( (uint32_t) (b)[(i) ] << 24 ) \
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| ( (uint32_t) (b)[(i) + 1] << 16 ) \
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| ( (uint32_t) (b)[(i) + 2] << 8 ) \
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| ( (uint32_t) (b)[(i) + 3] ); \
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} while( 0 )
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(n) = ((uint32_t) (b)[(i) ] << 24) \
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| ((uint32_t) (b)[(i) + 1] << 16) \
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| ((uint32_t) (b)[(i) + 2] << 8) \
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| ((uint32_t) (b)[(i) + 3] ); \
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} while(0)
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#endif
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#ifndef PUT_UINT32_BE
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#define PUT_UINT32_BE(n,b,i) \
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do { \
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(b)[(i) ] = (uint8_t) ( (n) >> 24 ); \
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(b)[(i) + 1] = (uint8_t) ( (n) >> 16 ); \
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(b)[(i) + 2] = (uint8_t) ( (n) >> 8 ); \
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(b)[(i) + 3] = (uint8_t) ( (n) ); \
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} while( 0 )
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(b)[(i) ] = (uint8_t) ((n) >> 24); \
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(b)[(i) + 1] = (uint8_t) ((n) >> 16); \
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(b)[(i) + 2] = (uint8_t) ((n) >> 8); \
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(b)[(i) + 3] = (uint8_t) ((n) ); \
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} while(0)
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#endif
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void mbedtls_sha256_init( mbedtls_sha256_context *ctx )
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void mbedtls_sha256_init(mbedtls_sha256_context *ctx)
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{
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memset( ctx, 0, sizeof( mbedtls_sha256_context ) );
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memset(ctx, 0U, sizeof(mbedtls_sha256_context));
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}
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void mbedtls_sha256_free( mbedtls_sha256_context *ctx )
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void mbedtls_sha256_free(mbedtls_sha256_context *ctx)
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{
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if( ctx == NULL )
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return;
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mbedtls_platform_zeroize( ctx, sizeof( mbedtls_sha256_context ) );
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if (ctx != NULL) {
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mbedtls_platform_zeroize(ctx, sizeof(mbedtls_sha256_context));
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}
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}
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void mbedtls_sha256_clone( mbedtls_sha256_context *dst,
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const mbedtls_sha256_context *src )
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void mbedtls_sha256_clone(mbedtls_sha256_context *dst, const mbedtls_sha256_context *src)
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{
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*dst = *src;
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}
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@ -73,266 +71,264 @@ void mbedtls_sha256_clone( mbedtls_sha256_context *dst,
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/*
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* SHA-256 context setup
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*/
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int32_t mbedtls_sha256_starts_ret( mbedtls_sha256_context *ctx, int32_t is224 )
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int32_t mbedtls_sha256_starts_ret(mbedtls_sha256_context *ctx, int32_t is224)
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{
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ctx->total[0] = 0;
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ctx->total[1] = 0;
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ctx->total[0] = 0U;
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ctx->total[1] = 0U;
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if( is224 == 0 )
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{
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if (is224 == 0) {
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/* SHA-256 */
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ctx->state[0] = 0x6A09E667;
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ctx->state[1] = 0xBB67AE85;
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ctx->state[2] = 0x3C6EF372;
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ctx->state[3] = 0xA54FF53A;
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ctx->state[4] = 0x510E527F;
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ctx->state[5] = 0x9B05688C;
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ctx->state[6] = 0x1F83D9AB;
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ctx->state[7] = 0x5BE0CD19;
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}
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else
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{
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ctx->state[0] = 0x6A09E667U;
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ctx->state[1] = 0xBB67AE85U;
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ctx->state[2] = 0x3C6EF372U;
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ctx->state[3] = 0xA54FF53AU;
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ctx->state[4] = 0x510E527FU;
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ctx->state[5] = 0x9B05688CU;
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ctx->state[6] = 0x1F83D9ABU;
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ctx->state[7] = 0x5BE0CD19U;
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} else {
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/* SHA-224 */
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ctx->state[0] = 0xC1059ED8;
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ctx->state[1] = 0x367CD507;
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ctx->state[2] = 0x3070DD17;
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ctx->state[3] = 0xF70E5939;
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ctx->state[4] = 0xFFC00B31;
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ctx->state[5] = 0x68581511;
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ctx->state[6] = 0x64F98FA7;
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ctx->state[7] = 0xBEFA4FA4;
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ctx->state[0] = 0xC1059ED8U;
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ctx->state[1] = 0x367CD507U;
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ctx->state[2] = 0x3070DD17U;
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ctx->state[3] = 0xF70E5939U;
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ctx->state[4] = 0xFFC00B31U;
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ctx->state[5] = 0x68581511U;
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ctx->state[6] = 0x64F98FA7U;
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ctx->state[7] = 0xBEFA4FA4U;
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}
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ctx->is224 = is224;
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return( 0 );
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return(0);
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}
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static const uint32_t K[] =
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{
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0x428A2F98, 0x71374491, 0xB5C0FBCF, 0xE9B5DBA5,
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0x3956C25B, 0x59F111F1, 0x923F82A4, 0xAB1C5ED5,
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0xD807AA98, 0x12835B01, 0x243185BE, 0x550C7DC3,
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0x72BE5D74, 0x80DEB1FE, 0x9BDC06A7, 0xC19BF174,
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0xE49B69C1, 0xEFBE4786, 0x0FC19DC6, 0x240CA1CC,
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0x2DE92C6F, 0x4A7484AA, 0x5CB0A9DC, 0x76F988DA,
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0x983E5152, 0xA831C66D, 0xB00327C8, 0xBF597FC7,
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0xC6E00BF3, 0xD5A79147, 0x06CA6351, 0x14292967,
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0x27B70A85, 0x2E1B2138, 0x4D2C6DFC, 0x53380D13,
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0x650A7354, 0x766A0ABB, 0x81C2C92E, 0x92722C85,
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0xA2BFE8A1, 0xA81A664B, 0xC24B8B70, 0xC76C51A3,
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0xD192E819, 0xD6990624, 0xF40E3585, 0x106AA070,
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0x19A4C116, 0x1E376C08, 0x2748774C, 0x34B0BCB5,
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0x391C0CB3, 0x4ED8AA4A, 0x5B9CCA4F, 0x682E6FF3,
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0x748F82EE, 0x78A5636F, 0x84C87814, 0x8CC70208,
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0x90BEFFFA, 0xA4506CEB, 0xBEF9A3F7, 0xC67178F2,
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0x428A2F98U, 0x71374491U, 0xB5C0FBCFU, 0xE9B5DBA5U,
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0x3956C25BU, 0x59F111F1U, 0x923F82A4U, 0xAB1C5ED5U,
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0xD807AA98U, 0x12835B01U, 0x243185BEU, 0x550C7DC3U,
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0x72BE5D74U, 0x80DEB1FEU, 0x9BDC06A7U, 0xC19BF174U,
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0xE49B69C1U, 0xEFBE4786U, 0x0FC19DC6U, 0x240CA1CCU,
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0x2DE92C6FU, 0x4A7484AAU, 0x5CB0A9DCU, 0x76F988DAU,
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0x983E5152U, 0xA831C66DU, 0xB00327C8U, 0xBF597FC7U,
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0xC6E00BF3U, 0xD5A79147U, 0x06CA6351U, 0x14292967U,
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0x27B70A85U, 0x2E1B2138U, 0x4D2C6DFCU, 0x53380D13U,
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0x650A7354U, 0x766A0ABBU, 0x81C2C92EU, 0x92722C85U,
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0xA2BFE8A1U, 0xA81A664BU, 0xC24B8B70U, 0xC76C51A3U,
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0xD192E819U, 0xD6990624U, 0xF40E3585U, 0x106AA070U,
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0x19A4C116U, 0x1E376C08U, 0x2748774CU, 0x34B0BCB5U,
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0x391C0CB3U, 0x4ED8AA4AU, 0x5B9CCA4FU, 0x682E6FF3U,
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0x748F82EEU, 0x78A5636FU, 0x84C87814U, 0x8CC70208U,
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0x90BEFFFAU, 0xA4506CEBU, 0xBEF9A3F7U, 0xC67178F2U,
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};
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#define SHR(x,n) ((x & 0xFFFFFFFF) >> n)
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#define ROTR(x,n) (SHR(x,n) | (x << (32 - n)))
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#define SHR(x,n) (((x) & 0xFFFFFFFFU) >> (n))
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#define ROTR(x,n) (SHR((x),(n)) | ((x) << (32U - (n))))
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#define S0(x) (ROTR(x, 7) ^ ROTR(x,18) ^ SHR(x, 3))
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#define S1(x) (ROTR(x,17) ^ ROTR(x,19) ^ SHR(x,10))
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#define S0(x) (ROTR((x), 7U) ^ ROTR((x),18U) ^ SHR((x), 3U))
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#define S1(x) (ROTR((x),17U) ^ ROTR((x),19U) ^ SHR((x),10U))
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#define S2(x) (ROTR(x, 2) ^ ROTR(x,13) ^ ROTR(x,22))
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#define S3(x) (ROTR(x, 6) ^ ROTR(x,11) ^ ROTR(x,25))
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#define S2(x) (ROTR((x), 2U) ^ ROTR((x),13U) ^ ROTR((x),22U))
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#define S3(x) (ROTR((x), 6U) ^ ROTR((x),11U) ^ ROTR((x),25U))
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#define F0(x,y,z) ((x & y) | (z & (x | y)))
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#define F1(x,y,z) (z ^ (x & (y ^ z)))
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#define F0(x,y,z) (((x) & (y)) | ((z) & ((x) | (y))))
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#define F1(x,y,z) ((z) ^ ((x) & ((y) ^ (z))))
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#define R(t) \
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( \
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W[t] = S1(W[t - 2]) + W[t - 7] + \
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S0(W[t - 15]) + W[t - 16] \
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( \
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W[(t)] = S1(W[(t) - 2]) + W[(t) - 7] + \
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S0(W[(t) - 15]) + W[(t) - 16] \
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)
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#define P(a,b,c,d,e,f,g,h,x,K) \
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{ \
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temp1 = h + S3(e) + F1(e,f,g) + K + x; \
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temp2 = S2(a) + F0(a,b,c); \
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d += temp1; h = temp1 + temp2; \
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temp1 = (h) + S3(e) + F1((e),(f),(g)) + (K) + (x); \
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temp2 = S2(a) + F0((a),(b),(c)); \
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(d) += temp1; (h) = temp1 + temp2; \
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}
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int32_t mbedtls_internal_sha256_process( mbedtls_sha256_context *ctx,
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const uint8_t data[64] )
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int32_t mbedtls_internal_sha256_process(mbedtls_sha256_context *ctx, const uint8_t data[64])
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{
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uint32_t temp1, temp2, W[64];
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uint32_t A[8];
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uint32_t i;
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int32_t i;
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for( i = 0; i < 8; i++ )
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for (i = 0; i < 8; i++) {
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A[i] = ctx->state[i];
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for( i = 0; i < 16; i++ )
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GET_UINT32_BE( W[i], data, 4 * i );
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for( i = 0; i < 16; i += 8 )
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{
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P( A[0], A[1], A[2], A[3], A[4], A[5], A[6], A[7], W[i+0], K[i+0] );
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P( A[7], A[0], A[1], A[2], A[3], A[4], A[5], A[6], W[i+1], K[i+1] );
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P( A[6], A[7], A[0], A[1], A[2], A[3], A[4], A[5], W[i+2], K[i+2] );
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P( A[5], A[6], A[7], A[0], A[1], A[2], A[3], A[4], W[i+3], K[i+3] );
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P( A[4], A[5], A[6], A[7], A[0], A[1], A[2], A[3], W[i+4], K[i+4] );
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P( A[3], A[4], A[5], A[6], A[7], A[0], A[1], A[2], W[i+5], K[i+5] );
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P( A[2], A[3], A[4], A[5], A[6], A[7], A[0], A[1], W[i+6], K[i+6] );
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P( A[1], A[2], A[3], A[4], A[5], A[6], A[7], A[0], W[i+7], K[i+7] );
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}
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for( i = 16; i < 64; i += 8 )
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{
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P( A[0], A[1], A[2], A[3], A[4], A[5], A[6], A[7], R(i+0), K[i+0] );
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P( A[7], A[0], A[1], A[2], A[3], A[4], A[5], A[6], R(i+1), K[i+1] );
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P( A[6], A[7], A[0], A[1], A[2], A[3], A[4], A[5], R(i+2), K[i+2] );
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P( A[5], A[6], A[7], A[0], A[1], A[2], A[3], A[4], R(i+3), K[i+3] );
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P( A[4], A[5], A[6], A[7], A[0], A[1], A[2], A[3], R(i+4), K[i+4] );
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P( A[3], A[4], A[5], A[6], A[7], A[0], A[1], A[2], R(i+5), K[i+5] );
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P( A[2], A[3], A[4], A[5], A[6], A[7], A[0], A[1], R(i+6), K[i+6] );
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P( A[1], A[2], A[3], A[4], A[5], A[6], A[7], A[0], R(i+7), K[i+7] );
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for (i = 0; i < 16; i++) {
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GET_UINT32_BE(W[i], data, 4 * i);
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}
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for( i = 0; i < 8; i++ )
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for (i = 0; i < 16; i += 8) {
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P(A[0], A[1], A[2], A[3], A[4], A[5], A[6], A[7], W[i+0], K[i+0]);
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P(A[7], A[0], A[1], A[2], A[3], A[4], A[5], A[6], W[i+1], K[i+1]);
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P(A[6], A[7], A[0], A[1], A[2], A[3], A[4], A[5], W[i+2], K[i+2]);
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P(A[5], A[6], A[7], A[0], A[1], A[2], A[3], A[4], W[i+3], K[i+3]);
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P(A[4], A[5], A[6], A[7], A[0], A[1], A[2], A[3], W[i+4], K[i+4]);
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P(A[3], A[4], A[5], A[6], A[7], A[0], A[1], A[2], W[i+5], K[i+5]);
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P(A[2], A[3], A[4], A[5], A[6], A[7], A[0], A[1], W[i+6], K[i+6]);
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P(A[1], A[2], A[3], A[4], A[5], A[6], A[7], A[0], W[i+7], K[i+7]);
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}
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for (i = 16; i < 64; i += 8) {
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P(A[0], A[1], A[2], A[3], A[4], A[5], A[6], A[7], R(i+0), K[i+0]);
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P(A[7], A[0], A[1], A[2], A[3], A[4], A[5], A[6], R(i+1), K[i+1]);
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P(A[6], A[7], A[0], A[1], A[2], A[3], A[4], A[5], R(i+2), K[i+2]);
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P(A[5], A[6], A[7], A[0], A[1], A[2], A[3], A[4], R(i+3), K[i+3]);
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P(A[4], A[5], A[6], A[7], A[0], A[1], A[2], A[3], R(i+4), K[i+4]);
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P(A[3], A[4], A[5], A[6], A[7], A[0], A[1], A[2], R(i+5), K[i+5]);
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P(A[2], A[3], A[4], A[5], A[6], A[7], A[0], A[1], R(i+6), K[i+6]);
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P(A[1], A[2], A[3], A[4], A[5], A[6], A[7], A[0], R(i+7), K[i+7]);
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}
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for (i = 0; i < 8; i++) {
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ctx->state[i] += A[i];
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}
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return( 0 );
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return 0;
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}
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/*
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* SHA-256 process buffer
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*/
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int32_t mbedtls_sha256_update_ret( mbedtls_sha256_context *ctx,
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const uint8_t *input,
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size_t ilen )
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int32_t mbedtls_sha256_update_ret(mbedtls_sha256_context *ctx, const uint8_t *input, size_t ilen)
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{
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int32_t ret;
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int32_t ret = 0;
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size_t fill;
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uint32_t left;
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const uint8_t *data = input;
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size_t len = ilen;
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if( ilen == 0 )
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return( 0 );
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if ((len != 0U) && (data != NULL)) {
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left = ctx->total[0] & 0x3FU;
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fill = 64U - left;
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left = ctx->total[0] & 0x3F;
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fill = 64 - left;
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ctx->total[0] += (uint32_t)len;
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ctx->total[0] &= 0xFFFFFFFFU;
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ctx->total[0] += (uint32_t) ilen;
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ctx->total[0] &= 0xFFFFFFFF;
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if (ctx->total[0] < (uint32_t)len) {
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ctx->total[1]++;
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}
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if( ctx->total[0] < (uint32_t) ilen )
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ctx->total[1]++;
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if ((left != 0U) && (len >= fill)) {
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(void)memcpy_s((void *)&ctx->buffer[left], fill, data, fill);
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if( left && ilen >= fill )
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{
|
||||
memcpy_s( (void *) (ctx->buffer + left), fill, input, fill );
|
||||
ret = mbedtls_internal_sha256_process(ctx, ctx->buffer);
|
||||
if (ret == 0) {
|
||||
data += fill;
|
||||
len -= fill;
|
||||
left = 0U;
|
||||
}
|
||||
}
|
||||
|
||||
if( ( ret = mbedtls_internal_sha256_process( ctx, ctx->buffer ) ) != 0 )
|
||||
return( ret );
|
||||
if (ret == 0) {
|
||||
while (len >= 64U) {
|
||||
ret = mbedtls_internal_sha256_process(ctx, data);
|
||||
if (ret == 0) {
|
||||
data += 64;
|
||||
len -= 64U;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
input += fill;
|
||||
ilen -= fill;
|
||||
left = 0;
|
||||
if (ret == 0) {
|
||||
if (len > 0U) {
|
||||
(void)memcpy_s((void *)&ctx->buffer[left], len, data, len);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
while( ilen >= 64 )
|
||||
{
|
||||
if( ( ret = mbedtls_internal_sha256_process( ctx, input ) ) != 0 )
|
||||
return( ret );
|
||||
|
||||
input += 64;
|
||||
ilen -= 64;
|
||||
}
|
||||
|
||||
if( ilen > 0 )
|
||||
memcpy_s( (void *) (ctx->buffer + left), ilen, input, ilen );
|
||||
|
||||
return( 0 );
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*
|
||||
* SHA-256 final digest
|
||||
*/
|
||||
int32_t mbedtls_sha256_finish_ret( mbedtls_sha256_context *ctx,
|
||||
uint8_t output[32] )
|
||||
int32_t mbedtls_sha256_finish_ret(mbedtls_sha256_context *ctx, uint8_t output[32])
|
||||
{
|
||||
int32_t ret;
|
||||
int32_t ret = 0;
|
||||
uint32_t used;
|
||||
uint32_t high, low;
|
||||
|
||||
/*
|
||||
* Add padding: 0x80 then 0x00 until 8 bytes remain for the length
|
||||
*/
|
||||
used = ctx->total[0] & 0x3F;
|
||||
used = ctx->total[0] & 0x3FU;
|
||||
|
||||
ctx->buffer[used++] = 0x80;
|
||||
ctx->buffer[used] = 0x80U;
|
||||
|
||||
if( used <= 56 )
|
||||
{
|
||||
used ++;
|
||||
|
||||
if (used <= 56U) {
|
||||
/* Enough room for padding + length in current block */
|
||||
memset( ctx->buffer + used, 0, 56 - used );
|
||||
}
|
||||
else
|
||||
{
|
||||
(void)memset((void *)&ctx->buffer[used], 0U, 56U - used);
|
||||
} else {
|
||||
/* We'll need an extra block */
|
||||
memset( ctx->buffer + used, 0, 64 - used );
|
||||
(void)memset((void *)&ctx->buffer[used], 0U, 64U - used);
|
||||
|
||||
if( ( ret = mbedtls_internal_sha256_process( ctx, ctx->buffer ) ) != 0 )
|
||||
return( ret );
|
||||
|
||||
memset( ctx->buffer, 0, 56 );
|
||||
ret = mbedtls_internal_sha256_process(ctx, ctx->buffer);
|
||||
if (ret == 0) {
|
||||
(void)memset(ctx->buffer, 0U, 56U);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Add message length
|
||||
*/
|
||||
high = ( ctx->total[0] >> 29 )
|
||||
| ( ctx->total[1] << 3 );
|
||||
low = ( ctx->total[0] << 3 );
|
||||
if (ret == 0) {
|
||||
high = (ctx->total[0] >> 29)
|
||||
| (ctx->total[1] << 3);
|
||||
low = (ctx->total[0] << 3);
|
||||
|
||||
PUT_UINT32_BE( high, ctx->buffer, 56 );
|
||||
PUT_UINT32_BE( low, ctx->buffer, 60 );
|
||||
PUT_UINT32_BE(high, ctx->buffer, 56);
|
||||
PUT_UINT32_BE(low, ctx->buffer, 60);
|
||||
|
||||
if( ( ret = mbedtls_internal_sha256_process( ctx, ctx->buffer ) ) != 0 )
|
||||
return( ret );
|
||||
ret = mbedtls_internal_sha256_process(ctx, ctx->buffer);
|
||||
if (ret == 0) {
|
||||
/*
|
||||
* Output final state
|
||||
*/
|
||||
PUT_UINT32_BE(ctx->state[0], output, 0);
|
||||
PUT_UINT32_BE(ctx->state[1], output, 4);
|
||||
PUT_UINT32_BE(ctx->state[2], output, 8);
|
||||
PUT_UINT32_BE(ctx->state[3], output, 12);
|
||||
PUT_UINT32_BE(ctx->state[4], output, 16);
|
||||
PUT_UINT32_BE(ctx->state[5], output, 20);
|
||||
PUT_UINT32_BE(ctx->state[6], output, 24);
|
||||
|
||||
/*
|
||||
* Output final state
|
||||
*/
|
||||
PUT_UINT32_BE( ctx->state[0], output, 0 );
|
||||
PUT_UINT32_BE( ctx->state[1], output, 4 );
|
||||
PUT_UINT32_BE( ctx->state[2], output, 8 );
|
||||
PUT_UINT32_BE( ctx->state[3], output, 12 );
|
||||
PUT_UINT32_BE( ctx->state[4], output, 16 );
|
||||
PUT_UINT32_BE( ctx->state[5], output, 20 );
|
||||
PUT_UINT32_BE( ctx->state[6], output, 24 );
|
||||
if (ctx->is224 == 0) {
|
||||
PUT_UINT32_BE(ctx->state[7], output, 28);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if( ctx->is224 == 0 )
|
||||
PUT_UINT32_BE( ctx->state[7], output, 28 );
|
||||
|
||||
return( 0 );
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*
|
||||
* output = SHA-256( input buffer )
|
||||
* output = SHA-256(input buffer)
|
||||
*/
|
||||
int32_t mbedtls_sha256_ret( const uint8_t *input,
|
||||
size_t ilen,
|
||||
uint8_t output[32],
|
||||
int32_t is224 )
|
||||
int32_t mbedtls_sha256_ret(const uint8_t *input, size_t ilen, uint8_t output[32], int32_t is224)
|
||||
{
|
||||
int32_t ret;
|
||||
int32_t ret = 0;
|
||||
mbedtls_sha256_context ctx;
|
||||
|
||||
mbedtls_sha256_init( &ctx );
|
||||
mbedtls_sha256_init(&ctx);
|
||||
|
||||
if( ( ret = mbedtls_sha256_starts_ret( &ctx, is224 ) ) != 0 )
|
||||
goto exit;
|
||||
ret = mbedtls_sha256_starts_ret(&ctx, is224);
|
||||
if (ret == 0) {
|
||||
ret = mbedtls_sha256_update_ret(&ctx, input, ilen);
|
||||
}
|
||||
|
||||
if( ( ret = mbedtls_sha256_update_ret( &ctx, input, ilen ) ) != 0 )
|
||||
goto exit;
|
||||
if (ret == 0) {
|
||||
ret = mbedtls_sha256_finish_ret(&ctx, output);
|
||||
}
|
||||
|
||||
if( ( ret = mbedtls_sha256_finish_ret( &ctx, output ) ) != 0 )
|
||||
goto exit;
|
||||
mbedtls_sha256_free(&ctx);
|
||||
|
||||
exit:
|
||||
mbedtls_sha256_free( &ctx );
|
||||
|
||||
return( ret );
|
||||
return ret;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user