1 files changed, 0 insertions, 154 deletions

diff --git a/src/utils/sha1.cpp b/src/utils/sha1.cpp
deleted file mode 100644
index 76476df..0000000
--- a/src/utils/sha1.cpp
+++ /dev/null
@@ -1,154 +0,0 @@
-/* This code is public-domain - it is based on libcrypt
- * placed in the public domain by Wei Dai and other contributors.
- */
-
-#include "sha1.hpp"
-
-#define SHA1_K0 0x5a827999
-#define SHA1_K20 0x6ed9eba1
-#define SHA1_K40 0x8f1bbcdc
-#define SHA1_K60 0xca62c1d6
-
-const uint8_t sha1InitState[] = {
-  0x01,0x23,0x45,0x67, // H0
-  0x89,0xab,0xcd,0xef, // H1
-  0xfe,0xdc,0xba,0x98, // H2
-  0x76,0x54,0x32,0x10, // H3
-  0xf0,0xe1,0xd2,0xc3  // H4
-};
-
-void sha1_init(sha1nfo *s) {
-  memcpy(s->state.b,sha1InitState,HASH_LENGTH);
-  s->byteCount = 0;
-  s->bufferOffset = 0;
-}
-
-uint32_t sha1_rol32(uint32_t number, uint8_t bits) {
-  return ((number << bits) | (number >> (32-bits)));
-}
-
-void sha1_hashBlock(sha1nfo *s) {
-  uint8_t i;
-  uint32_t a,b,c,d,e,t;
-
-  a=s->state.w[0];
-  b=s->state.w[1];
-  c=s->state.w[2];
-  d=s->state.w[3];
-  e=s->state.w[4];
-  for (i=0; i<80; i++) {
-    if (i>=16) {
-      t = s->buffer.w[(i+13)&15] ^ s->buffer.w[(i+8)&15] ^ s->buffer.w[(i+2)&15] ^ s->buffer.w[i&15];
-      s->buffer.w[i&15] = sha1_rol32(t,1);
-    }
-    if (i<20) {
-      t = (d ^ (b & (c ^ d))) + SHA1_K0;
-    } else if (i<40) {
-      t = (b ^ c ^ d) + SHA1_K20;
-    } else if (i<60) {
-      t = ((b & c) | (d & (b | c))) + SHA1_K40;
-    } else {
-      t = (b ^ c ^ d) + SHA1_K60;
-    }
-    t+=sha1_rol32(a,5) + e + s->buffer.w[i&15];
-    e=d;
-    d=c;
-    c=sha1_rol32(b,30);
-    b=a;
-    a=t;
-  }
-  s->state.w[0] += a;
-  s->state.w[1] += b;
-  s->state.w[2] += c;
-  s->state.w[3] += d;
-  s->state.w[4] += e;
-}
-
-void sha1_addUncounted(sha1nfo *s, uint8_t data) {
-  s->buffer.b[s->bufferOffset ^ 3] = data;
-  s->bufferOffset++;
-  if (s->bufferOffset == BLOCK_LENGTH) {
-    sha1_hashBlock(s);
-    s->bufferOffset = 0;
-  }
-}
-
-void sha1_writebyte(sha1nfo *s, uint8_t data) {
-  ++s->byteCount;
-  sha1_addUncounted(s, data);
-}
-
-void sha1_write(sha1nfo *s, const char *data, size_t len) {
-	for (;len--;) sha1_writebyte(s, (uint8_t) *data++);
-}
-
-void sha1_pad(sha1nfo *s) {
-  // Implement SHA-1 padding (fips180-2 §5.1.1)
-
-  // Pad with 0x80 followed by 0x00 until the end of the block
-  sha1_addUncounted(s, 0x80);
-  while (s->bufferOffset != 56) sha1_addUncounted(s, 0x00);
-
-  // Append length in the last 8 bytes
-  sha1_addUncounted(s, 0); // We're only using 32 bit lengths
-  sha1_addUncounted(s, 0); // But SHA-1 supports 64 bit lengths
-  sha1_addUncounted(s, 0); // So zero pad the top bits
-  sha1_addUncounted(s, s->byteCount >> 29); // Shifting to multiply by 8
-  sha1_addUncounted(s, s->byteCount >> 21); // as SHA-1 supports bitstreams as well as
-  sha1_addUncounted(s, s->byteCount >> 13); // byte.
-  sha1_addUncounted(s, s->byteCount >> 5);
-  sha1_addUncounted(s, s->byteCount << 3);
-}
-
-uint8_t* sha1_result(sha1nfo *s) {
-  int i;
-  // Pad to complete the last block
-  sha1_pad(s);
-
-  // Swap byte order back
-  for (i=0; i<5; i++) {
-    uint32_t a,b;
-    a=s->state.w[i];
-    b=a<<24;
-    b|=(a<<8) & 0x00ff0000;
-    b|=(a>>8) & 0x0000ff00;
-    b|=a>>24;
-    s->state.w[i]=b;
-  }
-
-  // Return pointer to hash (20 characters)
-  return s->state.b;
-}
-
-#define HMAC_IPAD 0x36
-#define HMAC_OPAD 0x5c
-
-void sha1_initHmac(sha1nfo *s, const uint8_t* key, int keyLength) {
-  uint8_t i;
-  memset(s->keyBuffer, 0, BLOCK_LENGTH);
-  if (keyLength > BLOCK_LENGTH) {
-    // Hash long keys
-    sha1_init(s);
-    for (;keyLength--;) sha1_writebyte(s, *key++);
-    memcpy(s->keyBuffer, sha1_result(s), HASH_LENGTH);
-  } else {
-    // Block length keys are used as is
-    memcpy(s->keyBuffer, key, keyLength);
-  }
-  // Start inner hash
-  sha1_init(s);
-  for (i=0; i<BLOCK_LENGTH; i++) {
-    sha1_writebyte(s, s->keyBuffer[i] ^ HMAC_IPAD);
-  }
-}
-
-uint8_t* sha1_resultHmac(sha1nfo *s) {
-  uint8_t i;
-  // Complete inner hash
-  memcpy(s->innerHash,sha1_result(s),HASH_LENGTH);
-  // Calculate outer hash
-  sha1_init(s);
-  for (i=0; i<BLOCK_LENGTH; i++) sha1_writebyte(s, s->keyBuffer[i] ^ HMAC_OPAD);
-  for (i=0; i<HASH_LENGTH; i++) sha1_writebyte(s, s->innerHash[i]);
-  return sha1_result(s);
-}