diff options
Diffstat (limited to 'indra/llcommon/llmd5.cpp')
| -rw-r--r-- | indra/llcommon/llmd5.cpp | 56 |
1 files changed, 26 insertions, 30 deletions
diff --git a/indra/llcommon/llmd5.cpp b/indra/llcommon/llmd5.cpp index f942a976b7..0abe817f1d 100644 --- a/indra/llcommon/llmd5.cpp +++ b/indra/llcommon/llmd5.cpp @@ -96,10 +96,10 @@ LLMD5::LLMD5() // operation, processing another message block, and updating the // context. -void LLMD5::update (const uint1 *input, const uint4 input_length) { +void LLMD5::update (const uint8_t *input, const size_t input_length) { - uint4 input_index, buffer_index; - uint4 buffer_space; // how much space is left in buffer + size_t input_index, buffer_index; + size_t buffer_space; // how much space is left in buffer if (finalized){ // so we can't update! std::cerr << "LLMD5::update: Can't update a finalized digest!" << std::endl; @@ -107,14 +107,10 @@ void LLMD5::update (const uint1 *input, const uint4 input_length) { } // Compute number of bytes mod 64 - buffer_index = (unsigned int)((count[0] >> 3) & 0x3F); + buffer_index = size_t((count >> 3) & 0x3F); // Update number of bits - if ( (count[0] += ((uint4) input_length << 3))<((uint4) input_length << 3) ) - count[1]++; - - count[1] += ((uint4)input_length >> 29); - + count += input_length << 3; buffer_space = 64 - buffer_index; // how much space is left in buffer @@ -192,8 +188,8 @@ void LLMD5::update(const std::string& s) void LLMD5::finalize (){ unsigned char bits[8]; /* Flawfinder: ignore */ - unsigned int index, padLen; - static uint1 PADDING[64]={ + size_t index, padLen; + static uint8_t PADDING[64]={ 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 @@ -204,11 +200,12 @@ void LLMD5::finalize (){ return; } - // Save number of bits - encode (bits, count, 8); + // Save number of bits. + // Treat count, a uint64_t, as uint32_t[2]. + encode (bits, reinterpret_cast<uint32_t*>(&count), 8); // Pad out to 56 mod 64. - index = (uint4) ((count[0] >> 3) & 0x3f); + index = size_t((count >> 3) & 0x3f); padLen = (index < 56) ? (56 - index) : (120 - index); update (PADDING, padLen); @@ -340,8 +337,7 @@ void LLMD5::init(){ finalized=0; // we just started! // Nothing counted, so count=0 - count[0] = 0; - count[1] = 0; + count = 0; // Load magic initialization constants. state[0] = 0x67452301; @@ -416,7 +412,7 @@ Rotation is separate from addition to prevent recomputation. // LLMD5 basic transformation. Transforms state based on block. void LLMD5::transform (const U8 block[64]){ - uint4 a = state[0], b = state[1], c = state[2], d = state[3], x[16]; + uint32_t a = state[0], b = state[1], c = state[2], d = state[3], x[16]; decode (x, block, 64); @@ -500,38 +496,38 @@ void LLMD5::transform (const U8 block[64]){ state[3] += d; // Zeroize sensitive information. - memset ( (uint1 *) x, 0, sizeof(x)); + memset ( (uint8_t *) x, 0, sizeof(x)); } -// Encodes input (UINT4) into output (unsigned char). Assumes len is +// Encodes input (uint32_t) into output (unsigned char). Assumes len is // a multiple of 4. -void LLMD5::encode (uint1 *output, const uint4 *input, const uint4 len) { +void LLMD5::encode (uint8_t *output, const uint32_t *input, const size_t len) { - unsigned int i, j; + size_t i, j; for (i = 0, j = 0; j < len; i++, j += 4) { - output[j] = (uint1) (input[i] & 0xff); - output[j+1] = (uint1) ((input[i] >> 8) & 0xff); - output[j+2] = (uint1) ((input[i] >> 16) & 0xff); - output[j+3] = (uint1) ((input[i] >> 24) & 0xff); + output[j] = (uint8_t) (input[i] & 0xff); + output[j+1] = (uint8_t) ((input[i] >> 8) & 0xff); + output[j+2] = (uint8_t) ((input[i] >> 16) & 0xff); + output[j+3] = (uint8_t) ((input[i] >> 24) & 0xff); } } -// Decodes input (unsigned char) into output (UINT4). Assumes len is +// Decodes input (unsigned char) into output (uint32_t). Assumes len is // a multiple of 4. -void LLMD5::decode (uint4 *output, const uint1 *input, const uint4 len){ +void LLMD5::decode (uint32_t *output, const uint8_t *input, const size_t len){ - unsigned int i, j; + size_t i, j; for (i = 0, j = 0; j < len; i++, j += 4) - output[i] = ((uint4)input[j]) | (((uint4)input[j+1]) << 8) | - (((uint4)input[j+2]) << 16) | (((uint4)input[j+3]) << 24); + output[i] = ((uint32_t)input[j]) | (((uint32_t)input[j+1]) << 8) | + (((uint32_t)input[j+2]) << 16) | (((uint32_t)input[j+3]) << 24); } |