diff options
Diffstat (limited to 'thirdparty/mbedtls/library/sha1.c')
| -rw-r--r-- | thirdparty/mbedtls/library/sha1.c | 487 |
1 files changed, 247 insertions, 240 deletions
diff --git a/thirdparty/mbedtls/library/sha1.c b/thirdparty/mbedtls/library/sha1.c index 7f0c8757db..6da641427c 100644 --- a/thirdparty/mbedtls/library/sha1.c +++ b/thirdparty/mbedtls/library/sha1.c @@ -35,32 +35,33 @@ #include "mbedtls/platform.h" #define SHA1_VALIDATE_RET(cond) \ - MBEDTLS_INTERNAL_VALIDATE_RET( cond, MBEDTLS_ERR_SHA1_BAD_INPUT_DATA ) + MBEDTLS_INTERNAL_VALIDATE_RET(cond, MBEDTLS_ERR_SHA1_BAD_INPUT_DATA) -#define SHA1_VALIDATE(cond) MBEDTLS_INTERNAL_VALIDATE( cond ) +#define SHA1_VALIDATE(cond) MBEDTLS_INTERNAL_VALIDATE(cond) #if !defined(MBEDTLS_SHA1_ALT) -void mbedtls_sha1_init( mbedtls_sha1_context *ctx ) +void mbedtls_sha1_init(mbedtls_sha1_context *ctx) { - SHA1_VALIDATE( ctx != NULL ); + SHA1_VALIDATE(ctx != NULL); - memset( ctx, 0, sizeof( mbedtls_sha1_context ) ); + memset(ctx, 0, sizeof(mbedtls_sha1_context)); } -void mbedtls_sha1_free( mbedtls_sha1_context *ctx ) +void mbedtls_sha1_free(mbedtls_sha1_context *ctx) { - if( ctx == NULL ) + if (ctx == NULL) { return; + } - mbedtls_platform_zeroize( ctx, sizeof( mbedtls_sha1_context ) ); + mbedtls_platform_zeroize(ctx, sizeof(mbedtls_sha1_context)); } -void mbedtls_sha1_clone( mbedtls_sha1_context *dst, - const mbedtls_sha1_context *src ) +void mbedtls_sha1_clone(mbedtls_sha1_context *dst, + const mbedtls_sha1_context *src) { - SHA1_VALIDATE( dst != NULL ); - SHA1_VALIDATE( src != NULL ); + SHA1_VALIDATE(dst != NULL); + SHA1_VALIDATE(src != NULL); *dst = *src; } @@ -68,9 +69,9 @@ void mbedtls_sha1_clone( mbedtls_sha1_context *dst, /* * SHA-1 context setup */ -int mbedtls_sha1_starts_ret( mbedtls_sha1_context *ctx ) +int mbedtls_sha1_starts_ret(mbedtls_sha1_context *ctx) { - SHA1_VALIDATE_RET( ctx != NULL ); + SHA1_VALIDATE_RET(ctx != NULL); ctx->total[0] = 0; ctx->total[1] = 0; @@ -81,62 +82,61 @@ int mbedtls_sha1_starts_ret( mbedtls_sha1_context *ctx ) ctx->state[3] = 0x10325476; ctx->state[4] = 0xC3D2E1F0; - return( 0 ); + return 0; } #if !defined(MBEDTLS_DEPRECATED_REMOVED) -void mbedtls_sha1_starts( mbedtls_sha1_context *ctx ) +void mbedtls_sha1_starts(mbedtls_sha1_context *ctx) { - mbedtls_sha1_starts_ret( ctx ); + mbedtls_sha1_starts_ret(ctx); } #endif #if !defined(MBEDTLS_SHA1_PROCESS_ALT) -int mbedtls_internal_sha1_process( mbedtls_sha1_context *ctx, - const unsigned char data[64] ) +int mbedtls_internal_sha1_process(mbedtls_sha1_context *ctx, + const unsigned char data[64]) { - struct - { + struct { uint32_t temp, W[16], A, B, C, D, E; } local; - SHA1_VALIDATE_RET( ctx != NULL ); - SHA1_VALIDATE_RET( (const unsigned char *)data != NULL ); - - local.W[ 0] = MBEDTLS_GET_UINT32_BE( data, 0 ); - local.W[ 1] = MBEDTLS_GET_UINT32_BE( data, 4 ); - local.W[ 2] = MBEDTLS_GET_UINT32_BE( data, 8 ); - local.W[ 3] = MBEDTLS_GET_UINT32_BE( data, 12 ); - local.W[ 4] = MBEDTLS_GET_UINT32_BE( data, 16 ); - local.W[ 5] = MBEDTLS_GET_UINT32_BE( data, 20 ); - local.W[ 6] = MBEDTLS_GET_UINT32_BE( data, 24 ); - local.W[ 7] = MBEDTLS_GET_UINT32_BE( data, 28 ); - local.W[ 8] = MBEDTLS_GET_UINT32_BE( data, 32 ); - local.W[ 9] = MBEDTLS_GET_UINT32_BE( data, 36 ); - local.W[10] = MBEDTLS_GET_UINT32_BE( data, 40 ); - local.W[11] = MBEDTLS_GET_UINT32_BE( data, 44 ); - local.W[12] = MBEDTLS_GET_UINT32_BE( data, 48 ); - local.W[13] = MBEDTLS_GET_UINT32_BE( data, 52 ); - local.W[14] = MBEDTLS_GET_UINT32_BE( data, 56 ); - local.W[15] = MBEDTLS_GET_UINT32_BE( data, 60 ); - -#define S(x,n) (((x) << (n)) | (((x) & 0xFFFFFFFF) >> (32 - (n)))) + SHA1_VALIDATE_RET(ctx != NULL); + SHA1_VALIDATE_RET((const unsigned char *) data != NULL); + + local.W[0] = MBEDTLS_GET_UINT32_BE(data, 0); + local.W[1] = MBEDTLS_GET_UINT32_BE(data, 4); + local.W[2] = MBEDTLS_GET_UINT32_BE(data, 8); + local.W[3] = MBEDTLS_GET_UINT32_BE(data, 12); + local.W[4] = MBEDTLS_GET_UINT32_BE(data, 16); + local.W[5] = MBEDTLS_GET_UINT32_BE(data, 20); + local.W[6] = MBEDTLS_GET_UINT32_BE(data, 24); + local.W[7] = MBEDTLS_GET_UINT32_BE(data, 28); + local.W[8] = MBEDTLS_GET_UINT32_BE(data, 32); + local.W[9] = MBEDTLS_GET_UINT32_BE(data, 36); + local.W[10] = MBEDTLS_GET_UINT32_BE(data, 40); + local.W[11] = MBEDTLS_GET_UINT32_BE(data, 44); + local.W[12] = MBEDTLS_GET_UINT32_BE(data, 48); + local.W[13] = MBEDTLS_GET_UINT32_BE(data, 52); + local.W[14] = MBEDTLS_GET_UINT32_BE(data, 56); + local.W[15] = MBEDTLS_GET_UINT32_BE(data, 60); + +#define S(x, n) (((x) << (n)) | (((x) & 0xFFFFFFFF) >> (32 - (n)))) #define R(t) \ ( \ - local.temp = local.W[( (t) - 3 ) & 0x0F] ^ \ - local.W[( (t) - 8 ) & 0x0F] ^ \ - local.W[( (t) - 14 ) & 0x0F] ^ \ - local.W[ (t) & 0x0F], \ - ( local.W[(t) & 0x0F] = S(local.temp,1) ) \ + local.temp = local.W[((t) - 3) & 0x0F] ^ \ + local.W[((t) - 8) & 0x0F] ^ \ + local.W[((t) - 14) & 0x0F] ^ \ + local.W[(t) & 0x0F], \ + (local.W[(t) & 0x0F] = S(local.temp, 1)) \ ) -#define P(a,b,c,d,e,x) \ +#define P(a, b, c, d, e, x) \ do \ { \ - (e) += S((a),5) + F((b),(c),(d)) + K + (x); \ - (b) = S((b),30); \ - } while( 0 ) + (e) += S((a), 5) + F((b), (c), (d)) + K + (x); \ + (b) = S((b), 30); \ + } while (0) local.A = ctx->state[0]; local.B = ctx->state[1]; @@ -144,110 +144,110 @@ int mbedtls_internal_sha1_process( mbedtls_sha1_context *ctx, local.D = ctx->state[3]; local.E = ctx->state[4]; -#define F(x,y,z) ((z) ^ ((x) & ((y) ^ (z)))) +#define F(x, y, z) ((z) ^ ((x) & ((y) ^ (z)))) #define K 0x5A827999 - P( local.A, local.B, local.C, local.D, local.E, local.W[0] ); - P( local.E, local.A, local.B, local.C, local.D, local.W[1] ); - P( local.D, local.E, local.A, local.B, local.C, local.W[2] ); - P( local.C, local.D, local.E, local.A, local.B, local.W[3] ); - P( local.B, local.C, local.D, local.E, local.A, local.W[4] ); - P( local.A, local.B, local.C, local.D, local.E, local.W[5] ); - P( local.E, local.A, local.B, local.C, local.D, local.W[6] ); - P( local.D, local.E, local.A, local.B, local.C, local.W[7] ); - P( local.C, local.D, local.E, local.A, local.B, local.W[8] ); - P( local.B, local.C, local.D, local.E, local.A, local.W[9] ); - P( local.A, local.B, local.C, local.D, local.E, local.W[10] ); - P( local.E, local.A, local.B, local.C, local.D, local.W[11] ); - P( local.D, local.E, local.A, local.B, local.C, local.W[12] ); - P( local.C, local.D, local.E, local.A, local.B, local.W[13] ); - P( local.B, local.C, local.D, local.E, local.A, local.W[14] ); - P( local.A, local.B, local.C, local.D, local.E, local.W[15] ); - P( local.E, local.A, local.B, local.C, local.D, R(16) ); - P( local.D, local.E, local.A, local.B, local.C, R(17) ); - P( local.C, local.D, local.E, local.A, local.B, R(18) ); - P( local.B, local.C, local.D, local.E, local.A, R(19) ); + P(local.A, local.B, local.C, local.D, local.E, local.W[0]); + P(local.E, local.A, local.B, local.C, local.D, local.W[1]); + P(local.D, local.E, local.A, local.B, local.C, local.W[2]); + P(local.C, local.D, local.E, local.A, local.B, local.W[3]); + P(local.B, local.C, local.D, local.E, local.A, local.W[4]); + P(local.A, local.B, local.C, local.D, local.E, local.W[5]); + P(local.E, local.A, local.B, local.C, local.D, local.W[6]); + P(local.D, local.E, local.A, local.B, local.C, local.W[7]); + P(local.C, local.D, local.E, local.A, local.B, local.W[8]); + P(local.B, local.C, local.D, local.E, local.A, local.W[9]); + P(local.A, local.B, local.C, local.D, local.E, local.W[10]); + P(local.E, local.A, local.B, local.C, local.D, local.W[11]); + P(local.D, local.E, local.A, local.B, local.C, local.W[12]); + P(local.C, local.D, local.E, local.A, local.B, local.W[13]); + P(local.B, local.C, local.D, local.E, local.A, local.W[14]); + P(local.A, local.B, local.C, local.D, local.E, local.W[15]); + P(local.E, local.A, local.B, local.C, local.D, R(16)); + P(local.D, local.E, local.A, local.B, local.C, R(17)); + P(local.C, local.D, local.E, local.A, local.B, R(18)); + P(local.B, local.C, local.D, local.E, local.A, R(19)); #undef K #undef F -#define F(x,y,z) ((x) ^ (y) ^ (z)) +#define F(x, y, z) ((x) ^ (y) ^ (z)) #define K 0x6ED9EBA1 - P( local.A, local.B, local.C, local.D, local.E, R(20) ); - P( local.E, local.A, local.B, local.C, local.D, R(21) ); - P( local.D, local.E, local.A, local.B, local.C, R(22) ); - P( local.C, local.D, local.E, local.A, local.B, R(23) ); - P( local.B, local.C, local.D, local.E, local.A, R(24) ); - P( local.A, local.B, local.C, local.D, local.E, R(25) ); - P( local.E, local.A, local.B, local.C, local.D, R(26) ); - P( local.D, local.E, local.A, local.B, local.C, R(27) ); - P( local.C, local.D, local.E, local.A, local.B, R(28) ); - P( local.B, local.C, local.D, local.E, local.A, R(29) ); - P( local.A, local.B, local.C, local.D, local.E, R(30) ); - P( local.E, local.A, local.B, local.C, local.D, R(31) ); - P( local.D, local.E, local.A, local.B, local.C, R(32) ); - P( local.C, local.D, local.E, local.A, local.B, R(33) ); - P( local.B, local.C, local.D, local.E, local.A, R(34) ); - P( local.A, local.B, local.C, local.D, local.E, R(35) ); - P( local.E, local.A, local.B, local.C, local.D, R(36) ); - P( local.D, local.E, local.A, local.B, local.C, R(37) ); - P( local.C, local.D, local.E, local.A, local.B, R(38) ); - P( local.B, local.C, local.D, local.E, local.A, R(39) ); + P(local.A, local.B, local.C, local.D, local.E, R(20)); + P(local.E, local.A, local.B, local.C, local.D, R(21)); + P(local.D, local.E, local.A, local.B, local.C, R(22)); + P(local.C, local.D, local.E, local.A, local.B, R(23)); + P(local.B, local.C, local.D, local.E, local.A, R(24)); + P(local.A, local.B, local.C, local.D, local.E, R(25)); + P(local.E, local.A, local.B, local.C, local.D, R(26)); + P(local.D, local.E, local.A, local.B, local.C, R(27)); + P(local.C, local.D, local.E, local.A, local.B, R(28)); + P(local.B, local.C, local.D, local.E, local.A, R(29)); + P(local.A, local.B, local.C, local.D, local.E, R(30)); + P(local.E, local.A, local.B, local.C, local.D, R(31)); + P(local.D, local.E, local.A, local.B, local.C, R(32)); + P(local.C, local.D, local.E, local.A, local.B, R(33)); + P(local.B, local.C, local.D, local.E, local.A, R(34)); + P(local.A, local.B, local.C, local.D, local.E, R(35)); + P(local.E, local.A, local.B, local.C, local.D, R(36)); + P(local.D, local.E, local.A, local.B, local.C, R(37)); + P(local.C, local.D, local.E, local.A, local.B, R(38)); + P(local.B, local.C, local.D, local.E, local.A, R(39)); #undef K #undef F -#define F(x,y,z) (((x) & (y)) | ((z) & ((x) | (y)))) +#define F(x, y, z) (((x) & (y)) | ((z) & ((x) | (y)))) #define K 0x8F1BBCDC - P( local.A, local.B, local.C, local.D, local.E, R(40) ); - P( local.E, local.A, local.B, local.C, local.D, R(41) ); - P( local.D, local.E, local.A, local.B, local.C, R(42) ); - P( local.C, local.D, local.E, local.A, local.B, R(43) ); - P( local.B, local.C, local.D, local.E, local.A, R(44) ); - P( local.A, local.B, local.C, local.D, local.E, R(45) ); - P( local.E, local.A, local.B, local.C, local.D, R(46) ); - P( local.D, local.E, local.A, local.B, local.C, R(47) ); - P( local.C, local.D, local.E, local.A, local.B, R(48) ); - P( local.B, local.C, local.D, local.E, local.A, R(49) ); - P( local.A, local.B, local.C, local.D, local.E, R(50) ); - P( local.E, local.A, local.B, local.C, local.D, R(51) ); - P( local.D, local.E, local.A, local.B, local.C, R(52) ); - P( local.C, local.D, local.E, local.A, local.B, R(53) ); - P( local.B, local.C, local.D, local.E, local.A, R(54) ); - P( local.A, local.B, local.C, local.D, local.E, R(55) ); - P( local.E, local.A, local.B, local.C, local.D, R(56) ); - P( local.D, local.E, local.A, local.B, local.C, R(57) ); - P( local.C, local.D, local.E, local.A, local.B, R(58) ); - P( local.B, local.C, local.D, local.E, local.A, R(59) ); + P(local.A, local.B, local.C, local.D, local.E, R(40)); + P(local.E, local.A, local.B, local.C, local.D, R(41)); + P(local.D, local.E, local.A, local.B, local.C, R(42)); + P(local.C, local.D, local.E, local.A, local.B, R(43)); + P(local.B, local.C, local.D, local.E, local.A, R(44)); + P(local.A, local.B, local.C, local.D, local.E, R(45)); + P(local.E, local.A, local.B, local.C, local.D, R(46)); + P(local.D, local.E, local.A, local.B, local.C, R(47)); + P(local.C, local.D, local.E, local.A, local.B, R(48)); + P(local.B, local.C, local.D, local.E, local.A, R(49)); + P(local.A, local.B, local.C, local.D, local.E, R(50)); + P(local.E, local.A, local.B, local.C, local.D, R(51)); + P(local.D, local.E, local.A, local.B, local.C, R(52)); + P(local.C, local.D, local.E, local.A, local.B, R(53)); + P(local.B, local.C, local.D, local.E, local.A, R(54)); + P(local.A, local.B, local.C, local.D, local.E, R(55)); + P(local.E, local.A, local.B, local.C, local.D, R(56)); + P(local.D, local.E, local.A, local.B, local.C, R(57)); + P(local.C, local.D, local.E, local.A, local.B, R(58)); + P(local.B, local.C, local.D, local.E, local.A, R(59)); #undef K #undef F -#define F(x,y,z) ((x) ^ (y) ^ (z)) +#define F(x, y, z) ((x) ^ (y) ^ (z)) #define K 0xCA62C1D6 - P( local.A, local.B, local.C, local.D, local.E, R(60) ); - P( local.E, local.A, local.B, local.C, local.D, R(61) ); - P( local.D, local.E, local.A, local.B, local.C, R(62) ); - P( local.C, local.D, local.E, local.A, local.B, R(63) ); - P( local.B, local.C, local.D, local.E, local.A, R(64) ); - P( local.A, local.B, local.C, local.D, local.E, R(65) ); - P( local.E, local.A, local.B, local.C, local.D, R(66) ); - P( local.D, local.E, local.A, local.B, local.C, R(67) ); - P( local.C, local.D, local.E, local.A, local.B, R(68) ); - P( local.B, local.C, local.D, local.E, local.A, R(69) ); - P( local.A, local.B, local.C, local.D, local.E, R(70) ); - P( local.E, local.A, local.B, local.C, local.D, R(71) ); - P( local.D, local.E, local.A, local.B, local.C, R(72) ); - P( local.C, local.D, local.E, local.A, local.B, R(73) ); - P( local.B, local.C, local.D, local.E, local.A, R(74) ); - P( local.A, local.B, local.C, local.D, local.E, R(75) ); - P( local.E, local.A, local.B, local.C, local.D, R(76) ); - P( local.D, local.E, local.A, local.B, local.C, R(77) ); - P( local.C, local.D, local.E, local.A, local.B, R(78) ); - P( local.B, local.C, local.D, local.E, local.A, R(79) ); + P(local.A, local.B, local.C, local.D, local.E, R(60)); + P(local.E, local.A, local.B, local.C, local.D, R(61)); + P(local.D, local.E, local.A, local.B, local.C, R(62)); + P(local.C, local.D, local.E, local.A, local.B, R(63)); + P(local.B, local.C, local.D, local.E, local.A, R(64)); + P(local.A, local.B, local.C, local.D, local.E, R(65)); + P(local.E, local.A, local.B, local.C, local.D, R(66)); + P(local.D, local.E, local.A, local.B, local.C, R(67)); + P(local.C, local.D, local.E, local.A, local.B, R(68)); + P(local.B, local.C, local.D, local.E, local.A, R(69)); + P(local.A, local.B, local.C, local.D, local.E, R(70)); + P(local.E, local.A, local.B, local.C, local.D, R(71)); + P(local.D, local.E, local.A, local.B, local.C, R(72)); + P(local.C, local.D, local.E, local.A, local.B, R(73)); + P(local.B, local.C, local.D, local.E, local.A, R(74)); + P(local.A, local.B, local.C, local.D, local.E, R(75)); + P(local.E, local.A, local.B, local.C, local.D, R(76)); + P(local.D, local.E, local.A, local.B, local.C, R(77)); + P(local.C, local.D, local.E, local.A, local.B, R(78)); + P(local.B, local.C, local.D, local.E, local.A, R(79)); #undef K #undef F @@ -259,16 +259,16 @@ int mbedtls_internal_sha1_process( mbedtls_sha1_context *ctx, ctx->state[4] += local.E; /* Zeroise buffers and variables to clear sensitive data from memory. */ - mbedtls_platform_zeroize( &local, sizeof( local ) ); + mbedtls_platform_zeroize(&local, sizeof(local)); - return( 0 ); + return 0; } #if !defined(MBEDTLS_DEPRECATED_REMOVED) -void mbedtls_sha1_process( mbedtls_sha1_context *ctx, - const unsigned char data[64] ) +void mbedtls_sha1_process(mbedtls_sha1_context *ctx, + const unsigned char data[64]) { - mbedtls_internal_sha1_process( ctx, data ); + mbedtls_internal_sha1_process(ctx, data); } #endif #endif /* !MBEDTLS_SHA1_PROCESS_ALT */ @@ -276,19 +276,20 @@ void mbedtls_sha1_process( mbedtls_sha1_context *ctx, /* * SHA-1 process buffer */ -int mbedtls_sha1_update_ret( mbedtls_sha1_context *ctx, - const unsigned char *input, - size_t ilen ) +int mbedtls_sha1_update_ret(mbedtls_sha1_context *ctx, + const unsigned char *input, + size_t ilen) { int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; size_t fill; uint32_t left; - SHA1_VALIDATE_RET( ctx != NULL ); - SHA1_VALIDATE_RET( ilen == 0 || input != NULL ); + SHA1_VALIDATE_RET(ctx != NULL); + SHA1_VALIDATE_RET(ilen == 0 || input != NULL); - if( ilen == 0 ) - return( 0 ); + if (ilen == 0) { + return 0; + } left = ctx->total[0] & 0x3F; fill = 64 - left; @@ -296,57 +297,59 @@ int mbedtls_sha1_update_ret( mbedtls_sha1_context *ctx, ctx->total[0] += (uint32_t) ilen; ctx->total[0] &= 0xFFFFFFFF; - if( ctx->total[0] < (uint32_t) ilen ) + if (ctx->total[0] < (uint32_t) ilen) { ctx->total[1]++; + } - if( left && ilen >= fill ) - { - memcpy( (void *) (ctx->buffer + left), input, fill ); + if (left && ilen >= fill) { + memcpy((void *) (ctx->buffer + left), input, fill); - if( ( ret = mbedtls_internal_sha1_process( ctx, ctx->buffer ) ) != 0 ) - return( ret ); + if ((ret = mbedtls_internal_sha1_process(ctx, ctx->buffer)) != 0) { + return ret; + } input += fill; ilen -= fill; left = 0; } - while( ilen >= 64 ) - { - if( ( ret = mbedtls_internal_sha1_process( ctx, input ) ) != 0 ) - return( ret ); + while (ilen >= 64) { + if ((ret = mbedtls_internal_sha1_process(ctx, input)) != 0) { + return ret; + } input += 64; ilen -= 64; } - if( ilen > 0 ) - memcpy( (void *) (ctx->buffer + left), input, ilen ); + if (ilen > 0) { + memcpy((void *) (ctx->buffer + left), input, ilen); + } - return( 0 ); + return 0; } #if !defined(MBEDTLS_DEPRECATED_REMOVED) -void mbedtls_sha1_update( mbedtls_sha1_context *ctx, - const unsigned char *input, - size_t ilen ) +void mbedtls_sha1_update(mbedtls_sha1_context *ctx, + const unsigned char *input, + size_t ilen) { - mbedtls_sha1_update_ret( ctx, input, ilen ); + mbedtls_sha1_update_ret(ctx, input, ilen); } #endif /* * SHA-1 final digest */ -int mbedtls_sha1_finish_ret( mbedtls_sha1_context *ctx, - unsigned char output[20] ) +int mbedtls_sha1_finish_ret(mbedtls_sha1_context *ctx, + unsigned char output[20]) { int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; uint32_t used; uint32_t high, low; - SHA1_VALIDATE_RET( ctx != NULL ); - SHA1_VALIDATE_RET( (unsigned char *)output != NULL ); + SHA1_VALIDATE_RET(ctx != NULL); + SHA1_VALIDATE_RET((unsigned char *) output != NULL); /* * Add padding: 0x80 then 0x00 until 8 bytes remain for the length @@ -355,52 +358,51 @@ int mbedtls_sha1_finish_ret( mbedtls_sha1_context *ctx, ctx->buffer[used++] = 0x80; - if( used <= 56 ) - { + if (used <= 56) { /* Enough room for padding + length in current block */ - memset( ctx->buffer + used, 0, 56 - used ); - } - else - { + memset(ctx->buffer + used, 0, 56 - used); + } else { /* We'll need an extra block */ - memset( ctx->buffer + used, 0, 64 - used ); + memset(ctx->buffer + used, 0, 64 - used); - if( ( ret = mbedtls_internal_sha1_process( ctx, ctx->buffer ) ) != 0 ) - return( ret ); + if ((ret = mbedtls_internal_sha1_process(ctx, ctx->buffer)) != 0) { + return ret; + } - memset( ctx->buffer, 0, 56 ); + memset(ctx->buffer, 0, 56); } /* * Add message length */ - high = ( ctx->total[0] >> 29 ) - | ( ctx->total[1] << 3 ); - low = ( ctx->total[0] << 3 ); + high = (ctx->total[0] >> 29) + | (ctx->total[1] << 3); + low = (ctx->total[0] << 3); - MBEDTLS_PUT_UINT32_BE( high, ctx->buffer, 56 ); - MBEDTLS_PUT_UINT32_BE( low, ctx->buffer, 60 ); + MBEDTLS_PUT_UINT32_BE(high, ctx->buffer, 56); + MBEDTLS_PUT_UINT32_BE(low, ctx->buffer, 60); - if( ( ret = mbedtls_internal_sha1_process( ctx, ctx->buffer ) ) != 0 ) - return( ret ); + if ((ret = mbedtls_internal_sha1_process(ctx, ctx->buffer)) != 0) { + return ret; + } /* * Output final state */ - MBEDTLS_PUT_UINT32_BE( ctx->state[0], output, 0 ); - MBEDTLS_PUT_UINT32_BE( ctx->state[1], output, 4 ); - MBEDTLS_PUT_UINT32_BE( ctx->state[2], output, 8 ); - MBEDTLS_PUT_UINT32_BE( ctx->state[3], output, 12 ); - MBEDTLS_PUT_UINT32_BE( ctx->state[4], output, 16 ); + MBEDTLS_PUT_UINT32_BE(ctx->state[0], output, 0); + MBEDTLS_PUT_UINT32_BE(ctx->state[1], output, 4); + MBEDTLS_PUT_UINT32_BE(ctx->state[2], output, 8); + MBEDTLS_PUT_UINT32_BE(ctx->state[3], output, 12); + MBEDTLS_PUT_UINT32_BE(ctx->state[4], output, 16); - return( 0 ); + return 0; } #if !defined(MBEDTLS_DEPRECATED_REMOVED) -void mbedtls_sha1_finish( mbedtls_sha1_context *ctx, - unsigned char output[20] ) +void mbedtls_sha1_finish(mbedtls_sha1_context *ctx, + unsigned char output[20]) { - mbedtls_sha1_finish_ret( ctx, output ); + mbedtls_sha1_finish_ret(ctx, output); } #endif @@ -409,39 +411,42 @@ void mbedtls_sha1_finish( mbedtls_sha1_context *ctx, /* * output = SHA-1( input buffer ) */ -int mbedtls_sha1_ret( const unsigned char *input, - size_t ilen, - unsigned char output[20] ) +int mbedtls_sha1_ret(const unsigned char *input, + size_t ilen, + unsigned char output[20]) { int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; mbedtls_sha1_context ctx; - SHA1_VALIDATE_RET( ilen == 0 || input != NULL ); - SHA1_VALIDATE_RET( (unsigned char *)output != NULL ); + SHA1_VALIDATE_RET(ilen == 0 || input != NULL); + SHA1_VALIDATE_RET((unsigned char *) output != NULL); - mbedtls_sha1_init( &ctx ); + mbedtls_sha1_init(&ctx); - if( ( ret = mbedtls_sha1_starts_ret( &ctx ) ) != 0 ) + if ((ret = mbedtls_sha1_starts_ret(&ctx)) != 0) { goto exit; + } - if( ( ret = mbedtls_sha1_update_ret( &ctx, input, ilen ) ) != 0 ) + if ((ret = mbedtls_sha1_update_ret(&ctx, input, ilen)) != 0) { goto exit; + } - if( ( ret = mbedtls_sha1_finish_ret( &ctx, output ) ) != 0 ) + if ((ret = mbedtls_sha1_finish_ret(&ctx, output)) != 0) { goto exit; + } exit: - mbedtls_sha1_free( &ctx ); + mbedtls_sha1_free(&ctx); - return( ret ); + return ret; } #if !defined(MBEDTLS_DEPRECATED_REMOVED) -void mbedtls_sha1( const unsigned char *input, - size_t ilen, - unsigned char output[20] ) +void mbedtls_sha1(const unsigned char *input, + size_t ilen, + unsigned char output[20]) { - mbedtls_sha1_ret( input, ilen, output ); + mbedtls_sha1_ret(input, ilen, output); } #endif @@ -474,71 +479,73 @@ static const unsigned char sha1_test_sum[3][20] = /* * Checkup routine */ -int mbedtls_sha1_self_test( int verbose ) +int mbedtls_sha1_self_test(int verbose) { int i, j, buflen, ret = 0; unsigned char buf[1024]; unsigned char sha1sum[20]; mbedtls_sha1_context ctx; - mbedtls_sha1_init( &ctx ); + mbedtls_sha1_init(&ctx); /* * SHA-1 */ - for( i = 0; i < 3; i++ ) - { - if( verbose != 0 ) - mbedtls_printf( " SHA-1 test #%d: ", i + 1 ); + for (i = 0; i < 3; i++) { + if (verbose != 0) { + mbedtls_printf(" SHA-1 test #%d: ", i + 1); + } - if( ( ret = mbedtls_sha1_starts_ret( &ctx ) ) != 0 ) + if ((ret = mbedtls_sha1_starts_ret(&ctx)) != 0) { goto fail; + } - if( i == 2 ) - { - memset( buf, 'a', buflen = 1000 ); + if (i == 2) { + memset(buf, 'a', buflen = 1000); - for( j = 0; j < 1000; j++ ) - { - ret = mbedtls_sha1_update_ret( &ctx, buf, buflen ); - if( ret != 0 ) + for (j = 0; j < 1000; j++) { + ret = mbedtls_sha1_update_ret(&ctx, buf, buflen); + if (ret != 0) { goto fail; + } } - } - else - { - ret = mbedtls_sha1_update_ret( &ctx, sha1_test_buf[i], - sha1_test_buflen[i] ); - if( ret != 0 ) + } else { + ret = mbedtls_sha1_update_ret(&ctx, sha1_test_buf[i], + sha1_test_buflen[i]); + if (ret != 0) { goto fail; + } } - if( ( ret = mbedtls_sha1_finish_ret( &ctx, sha1sum ) ) != 0 ) + if ((ret = mbedtls_sha1_finish_ret(&ctx, sha1sum)) != 0) { goto fail; + } - if( memcmp( sha1sum, sha1_test_sum[i], 20 ) != 0 ) - { + if (memcmp(sha1sum, sha1_test_sum[i], 20) != 0) { ret = 1; goto fail; } - if( verbose != 0 ) - mbedtls_printf( "passed\n" ); + if (verbose != 0) { + mbedtls_printf("passed\n"); + } } - if( verbose != 0 ) - mbedtls_printf( "\n" ); + if (verbose != 0) { + mbedtls_printf("\n"); + } goto exit; fail: - if( verbose != 0 ) - mbedtls_printf( "failed\n" ); + if (verbose != 0) { + mbedtls_printf("failed\n"); + } exit: - mbedtls_sha1_free( &ctx ); + mbedtls_sha1_free(&ctx); - return( ret ); + return ret; } #endif /* MBEDTLS_SELF_TEST */ |