Fix indentation and some whitespace issues.
authorGuus Sliepen <guus@tinc-vpn.org>
Sun, 4 Jan 2015 13:15:35 +0000 (14:15 +0100)
committerGuus Sliepen <guus@tinc-vpn.org>
Sun, 4 Jan 2015 13:15:35 +0000 (14:15 +0100)
src/ed25519/sha512.c

index cb8ae71..afe98e5 100644 (file)
 
 /* the K array */
 static const uint64_t K[80] = {
-    UINT64_C(0x428a2f98d728ae22), UINT64_C(0x7137449123ef65cd), 
+    UINT64_C(0x428a2f98d728ae22), UINT64_C(0x7137449123ef65cd),
     UINT64_C(0xb5c0fbcfec4d3b2f), UINT64_C(0xe9b5dba58189dbbc),
-    UINT64_C(0x3956c25bf348b538), UINT64_C(0x59f111f1b605d019), 
+    UINT64_C(0x3956c25bf348b538), UINT64_C(0x59f111f1b605d019),
     UINT64_C(0x923f82a4af194f9b), UINT64_C(0xab1c5ed5da6d8118),
-    UINT64_C(0xd807aa98a3030242), UINT64_C(0x12835b0145706fbe), 
+    UINT64_C(0xd807aa98a3030242), UINT64_C(0x12835b0145706fbe),
     UINT64_C(0x243185be4ee4b28c), UINT64_C(0x550c7dc3d5ffb4e2),
-    UINT64_C(0x72be5d74f27b896f), UINT64_C(0x80deb1fe3b1696b1), 
+    UINT64_C(0x72be5d74f27b896f), UINT64_C(0x80deb1fe3b1696b1),
     UINT64_C(0x9bdc06a725c71235), UINT64_C(0xc19bf174cf692694),
-    UINT64_C(0xe49b69c19ef14ad2), UINT64_C(0xefbe4786384f25e3), 
+    UINT64_C(0xe49b69c19ef14ad2), UINT64_C(0xefbe4786384f25e3),
     UINT64_C(0x0fc19dc68b8cd5b5), UINT64_C(0x240ca1cc77ac9c65),
-    UINT64_C(0x2de92c6f592b0275), UINT64_C(0x4a7484aa6ea6e483), 
+    UINT64_C(0x2de92c6f592b0275), UINT64_C(0x4a7484aa6ea6e483),
     UINT64_C(0x5cb0a9dcbd41fbd4), UINT64_C(0x76f988da831153b5),
-    UINT64_C(0x983e5152ee66dfab), UINT64_C(0xa831c66d2db43210), 
+    UINT64_C(0x983e5152ee66dfab), UINT64_C(0xa831c66d2db43210),
     UINT64_C(0xb00327c898fb213f), UINT64_C(0xbf597fc7beef0ee4),
-    UINT64_C(0xc6e00bf33da88fc2), UINT64_C(0xd5a79147930aa725), 
+    UINT64_C(0xc6e00bf33da88fc2), UINT64_C(0xd5a79147930aa725),
     UINT64_C(0x06ca6351e003826f), UINT64_C(0x142929670a0e6e70),
-    UINT64_C(0x27b70a8546d22ffc), UINT64_C(0x2e1b21385c26c926), 
+    UINT64_C(0x27b70a8546d22ffc), UINT64_C(0x2e1b21385c26c926),
     UINT64_C(0x4d2c6dfc5ac42aed), UINT64_C(0x53380d139d95b3df),
-    UINT64_C(0x650a73548baf63de), UINT64_C(0x766a0abb3c77b2a8), 
+    UINT64_C(0x650a73548baf63de), UINT64_C(0x766a0abb3c77b2a8),
     UINT64_C(0x81c2c92e47edaee6), UINT64_C(0x92722c851482353b),
     UINT64_C(0xa2bfe8a14cf10364), UINT64_C(0xa81a664bbc423001),
     UINT64_C(0xc24b8b70d0f89791), UINT64_C(0xc76c51a30654be30),
-    UINT64_C(0xd192e819d6ef5218), UINT64_C(0xd69906245565a910), 
+    UINT64_C(0xd192e819d6ef5218), UINT64_C(0xd69906245565a910),
     UINT64_C(0xf40e35855771202a), UINT64_C(0x106aa07032bbd1b8),
-    UINT64_C(0x19a4c116b8d2d0c8), UINT64_C(0x1e376c085141ab53), 
+    UINT64_C(0x19a4c116b8d2d0c8), UINT64_C(0x1e376c085141ab53),
     UINT64_C(0x2748774cdf8eeb99), UINT64_C(0x34b0bcb5e19b48a8),
-    UINT64_C(0x391c0cb3c5c95a63), UINT64_C(0x4ed8aa4ae3418acb), 
+    UINT64_C(0x391c0cb3c5c95a63), UINT64_C(0x4ed8aa4ae3418acb),
     UINT64_C(0x5b9cca4f7763e373), UINT64_C(0x682e6ff3d6b2b8a3),
-    UINT64_C(0x748f82ee5defb2fc), UINT64_C(0x78a5636f43172f60), 
+    UINT64_C(0x748f82ee5defb2fc), UINT64_C(0x78a5636f43172f60),
     UINT64_C(0x84c87814a1f0ab72), UINT64_C(0x8cc702081a6439ec),
-    UINT64_C(0x90befffa23631e28), UINT64_C(0xa4506cebde82bde9), 
+    UINT64_C(0x90befffa23631e28), UINT64_C(0xa4506cebde82bde9),
     UINT64_C(0xbef9a3f7b2c67915), UINT64_C(0xc67178f2e372532b),
-    UINT64_C(0xca273eceea26619c), UINT64_C(0xd186b8c721c0c207), 
+    UINT64_C(0xca273eceea26619c), UINT64_C(0xd186b8c721c0c207),
     UINT64_C(0xeada7dd6cde0eb1e), UINT64_C(0xf57d4f7fee6ed178),
-    UINT64_C(0x06f067aa72176fba), UINT64_C(0x0a637dc5a2c898a6), 
+    UINT64_C(0x06f067aa72176fba), UINT64_C(0x0a637dc5a2c898a6),
     UINT64_C(0x113f9804bef90dae), UINT64_C(0x1b710b35131c471b),
-    UINT64_C(0x28db77f523047d84), UINT64_C(0x32caab7b40c72493), 
+    UINT64_C(0x28db77f523047d84), UINT64_C(0x32caab7b40c72493),
     UINT64_C(0x3c9ebe0a15c9bebc), UINT64_C(0x431d67c49c100d4c),
-    UINT64_C(0x4cc5d4becb3e42b6), UINT64_C(0x597f299cfc657e2a), 
+    UINT64_C(0x4cc5d4becb3e42b6), UINT64_C(0x597f299cfc657e2a),
     UINT64_C(0x5fcb6fab3ad6faec), UINT64_C(0x6c44198c4a475817)
 };
 
@@ -76,7 +76,7 @@ static const uint64_t K[80] = {
 
 
 #define Ch(x,y,z)       (z ^ (x & (y ^ z)))
-#define Maj(x,y,z)      (((x | y) & z) | (x & y)) 
+#define Maj(x,y,z)      (((x | y) & z) | (x & y))
 #define S(x, n)         ROR64c(x, n)
 #define R(x, n)         (((x) &UINT64_C(0xFFFFFFFFFFFFFFFF))>>((uint64_t)n))
 #define Sigma0(x)       (S(x, 28) ^ S(x, 34) ^ S(x, 39))
@@ -106,7 +106,7 @@ static int sha512_compress(sha512_context *md, unsigned char *buf)
     /* fill W[16..79] */
     for (i = 16; i < 80; i++) {
         W[i] = Gamma1(W[i - 2]) + W[i - 7] + Gamma0(W[i - 15]) + W[i - 16];
-    }        
+    }
 
 /* Compress */
     #define RND(a,b,c,d,e,f,g,h,i) \
@@ -168,25 +168,25 @@ int sha512_init(sha512_context * md) {
    @param inlen  The length of the data (octets)
    @return 0 if successful
 */
-int sha512_update (sha512_context * md, const unsigned char *in, size_t inlen)               
-{                                                                                           
+int sha512_update(sha512_context *md, const unsigned char *in, size_t inlen)
+{
     size_t n;
-    size_t i;                                                                        
-    int           err;     
-    if (md == NULL) return 1;  
-    if (in == NULL) return 1;                                                              
-    if (md->curlen > sizeof(md->buf)) {                             
-       return 1;                                                            
-    }                                                                                       
-    while (inlen > 0) {                                                                     
-        if (md->curlen == 0 && inlen >= 128) {                           
-           if ((err = sha512_compress (md, (unsigned char *)in)) != 0) {               
-              return err;                                                                   
-           }                                                                                
-           md->length += 128 * 8;                                        
-           in             += 128;                                                    
-           inlen          -= 128;                                                    
-        } else {                                                                            
+    size_t i;
+    int           err;
+    if (md == NULL) return 1;
+    if (in == NULL) return 1;
+    if (md->curlen > sizeof(md->buf)) {
+       return 1;
+    }
+    while (inlen > 0) {
+        if (md->curlen == 0 && inlen >= 128) {
+           if ((err = sha512_compress (md, (unsigned char *)in)) != 0) {
+              return err;
+           }
+           md->length += 128 * 8;
+           in             += 128;
+           inlen          -= 128;
+        } else {
            n = MIN(inlen, (128 - md->curlen));
 
            for (i = 0; i < n; i++) {
@@ -194,19 +194,19 @@ int sha512_update (sha512_context * md, const unsigned char *in, size_t inlen)
            }
 
 
-           md->curlen += n;                                                     
-           in             += n;                                                             
-           inlen          -= n;                                                             
-           if (md->curlen == 128) {                                      
-              if ((err = sha512_compress (md, md->buf)) != 0) {            
-                 return err;                                                                
-              }                                                                             
-              md->length += 8*128;                                       
-              md->curlen = 0;                                                   
-           }                                                                                
-       }                                                                                    
-    }                                                                                       
-    return 0;                                                                        
+           md->curlen += n;
+           in             += n;
+           inlen          -= n;
+           if (md->curlen == 128) {
+              if ((err = sha512_compress (md, md->buf)) != 0) {
+                 return err;
+              }
+              md->length += 8*128;
+              md->curlen = 0;
+           }
+       }
+    }
+    return 0;
 }
 
 /**
@@ -215,22 +215,22 @@ int sha512_update (sha512_context * md, const unsigned char *in, size_t inlen)
    @param out [out] The destination of the hash (64 bytes)
    @return 0 if successful
 */
-   int sha512_final(sha512_context * md, unsigned char *out)
-   {
+int sha512_final(sha512_context * md, unsigned char *out)
+{
     int i;
 
     if (md == NULL) return 1;
     if (out == NULL) return 1;
 
     if (md->curlen >= sizeof(md->buf)) {
-     return 1;
- }
+       return 1;
   }
 
     /* increase the length of the message */
- md->length += md->curlen * UINT64_C(8);
   md->length += md->curlen * UINT64_C(8);
 
     /* append the '1' bit */
- md->buf[md->curlen++] = (unsigned char)0x80;
   md->buf[md->curlen++] = (unsigned char)0x80;
 
     /* if the length is currently above 112 bytes we append zeros
      * then compress.  Then we can fall back to padding zeros and length
@@ -244,24 +244,24 @@ int sha512_update (sha512_context * md, const unsigned char *in, size_t inlen)
         md->curlen = 0;
     }
 
-    /* pad upto 120 bytes of zeroes 
+    /* pad upto 120 bytes of zeroes
      * note: that from 112 to 120 is the 64 MSB of the length.  We assume that you won't hash
      * > 2^64 bits of data... :-)
      */
-while (md->curlen < 120) {
-    md->buf[md->curlen++] = (unsigned char)0;
-}
+   while (md->curlen < 120) {
+      md->buf[md->curlen++] = (unsigned char)0;
+   }
 
     /* store length */
-STORE64H(md->length, md->buf+120);
-sha512_compress(md, md->buf);
+   STORE64H(md->length, md->buf+120);
+   sha512_compress(md, md->buf);
 
     /* copy output */
-for (i = 0; i < 8; i++) {
-    STORE64H(md->state[i], out+(8*i));
-}
+   for (i = 0; i < 8; i++) {
+      STORE64H(md->state[i], out+(8*i));
+   }
 
-return 0;
+   return 0;
 }
 
 int sha512(const unsigned char *message, size_t message_len, unsigned char *out)