Diff: wolfcrypt/src/ripemd.c

Revision:

13:f67a6c6013ca

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wolfcrypt/src/ripemd.c	Tue Aug 22 10:48:22 2017 +0000
@@ -0,0 +1,367 @@
+/* ripemd.c
+ *
+ * Copyright (C) 2006-2016 wolfSSL Inc.
+ *
+ * This file is part of wolfSSL.
+ *
+ * wolfSSL is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * wolfSSL is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
+ */
+
+
+
+#ifdef HAVE_CONFIG_H
+    #include <config.h>
+#endif
+
+#include <wolfssl/wolfcrypt/settings.h>
+
+#ifdef WOLFSSL_RIPEMD
+
+#include <wolfssl/wolfcrypt/ripemd.h>
+#ifdef NO_INLINE
+    #include <wolfssl/wolfcrypt/misc.h>
+#else
+    #define WOLFSSL_MISC_INCLUDED
+    #include <wolfcrypt/src/misc.c>
+#endif
+
+#include <wolfssl/wolfcrypt/error-crypt.h>
+
+int wc_InitRipeMd(RipeMd* ripemd)
+{
+    if (ripemd == NULL) {
+        return BAD_FUNC_ARG;
+    }
+
+    ripemd->digest[0] = 0x67452301L;
+    ripemd->digest[1] = 0xEFCDAB89L;
+    ripemd->digest[2] = 0x98BADCFEL;
+    ripemd->digest[3] = 0x10325476L;
+    ripemd->digest[4] = 0xC3D2E1F0L;
+
+    ripemd->buffLen = 0;
+    ripemd->loLen   = 0;
+    ripemd->hiLen   = 0;
+
+    return 0;
+}
+
+
+/* for all */
+#define F(x, y, z)    (x ^ y ^ z) 
+#define G(x, y, z)    (z ^ (x & (y^z)))
+#define H(x, y, z)    (z ^ (x | ~y))
+#define I(x, y, z)    (y ^ (z & (x^y)))
+#define J(x, y, z)    (x ^ (y | ~z))
+
+#define k0 0
+#define k1 0x5a827999
+#define k2 0x6ed9eba1
+#define k3 0x8f1bbcdc
+#define k4 0xa953fd4e
+#define k5 0x50a28be6
+#define k6 0x5c4dd124
+#define k7 0x6d703ef3
+#define k8 0x7a6d76e9
+#define k9 0
+
+/* for 160 and 320 */
+#define Subround(f, a, b, c, d, e, x, s, k) \
+    a += f(b, c, d) + x + k;\
+    a = rotlFixed((word32)a, s) + e;\
+    c = rotlFixed((word32)c, 10U)
+
+static void Transform(RipeMd* ripemd)
+{
+    word32 a1, b1, c1, d1, e1, a2, b2, c2, d2, e2;
+    a1 = a2 = ripemd->digest[0];
+    b1 = b2 = ripemd->digest[1];
+    c1 = c2 = ripemd->digest[2];
+    d1 = d2 = ripemd->digest[3];
+    e1 = e2 = ripemd->digest[4];
+
+    Subround(F, a1, b1, c1, d1, e1, ripemd->buffer[ 0], 11, k0);
+    Subround(F, e1, a1, b1, c1, d1, ripemd->buffer[ 1], 14, k0);
+    Subround(F, d1, e1, a1, b1, c1, ripemd->buffer[ 2], 15, k0);
+    Subround(F, c1, d1, e1, a1, b1, ripemd->buffer[ 3], 12, k0);
+    Subround(F, b1, c1, d1, e1, a1, ripemd->buffer[ 4],  5, k0);
+    Subround(F, a1, b1, c1, d1, e1, ripemd->buffer[ 5],  8, k0);
+    Subround(F, e1, a1, b1, c1, d1, ripemd->buffer[ 6],  7, k0);
+    Subround(F, d1, e1, a1, b1, c1, ripemd->buffer[ 7],  9, k0);
+    Subround(F, c1, d1, e1, a1, b1, ripemd->buffer[ 8], 11, k0);
+    Subround(F, b1, c1, d1, e1, a1, ripemd->buffer[ 9], 13, k0);
+    Subround(F, a1, b1, c1, d1, e1, ripemd->buffer[10], 14, k0);
+    Subround(F, e1, a1, b1, c1, d1, ripemd->buffer[11], 15, k0);
+    Subround(F, d1, e1, a1, b1, c1, ripemd->buffer[12],  6, k0);
+    Subround(F, c1, d1, e1, a1, b1, ripemd->buffer[13],  7, k0);
+    Subround(F, b1, c1, d1, e1, a1, ripemd->buffer[14],  9, k0);
+    Subround(F, a1, b1, c1, d1, e1, ripemd->buffer[15],  8, k0);
+
+    Subround(G, e1, a1, b1, c1, d1, ripemd->buffer[ 7],  7, k1);
+    Subround(G, d1, e1, a1, b1, c1, ripemd->buffer[ 4],  6, k1);
+    Subround(G, c1, d1, e1, a1, b1, ripemd->buffer[13],  8, k1);
+    Subround(G, b1, c1, d1, e1, a1, ripemd->buffer[ 1], 13, k1);
+    Subround(G, a1, b1, c1, d1, e1, ripemd->buffer[10], 11, k1);
+    Subround(G, e1, a1, b1, c1, d1, ripemd->buffer[ 6],  9, k1);
+    Subround(G, d1, e1, a1, b1, c1, ripemd->buffer[15],  7, k1);
+    Subround(G, c1, d1, e1, a1, b1, ripemd->buffer[ 3], 15, k1);
+    Subround(G, b1, c1, d1, e1, a1, ripemd->buffer[12],  7, k1);
+    Subround(G, a1, b1, c1, d1, e1, ripemd->buffer[ 0], 12, k1);
+    Subround(G, e1, a1, b1, c1, d1, ripemd->buffer[ 9], 15, k1);
+    Subround(G, d1, e1, a1, b1, c1, ripemd->buffer[ 5],  9, k1);
+    Subround(G, c1, d1, e1, a1, b1, ripemd->buffer[ 2], 11, k1);
+    Subround(G, b1, c1, d1, e1, a1, ripemd->buffer[14],  7, k1);
+    Subround(G, a1, b1, c1, d1, e1, ripemd->buffer[11], 13, k1);
+    Subround(G, e1, a1, b1, c1, d1, ripemd->buffer[ 8], 12, k1);
+
+    Subround(H, d1, e1, a1, b1, c1, ripemd->buffer[ 3], 11, k2);
+    Subround(H, c1, d1, e1, a1, b1, ripemd->buffer[10], 13, k2);
+    Subround(H, b1, c1, d1, e1, a1, ripemd->buffer[14],  6, k2);
+    Subround(H, a1, b1, c1, d1, e1, ripemd->buffer[ 4],  7, k2);
+    Subround(H, e1, a1, b1, c1, d1, ripemd->buffer[ 9], 14, k2);
+    Subround(H, d1, e1, a1, b1, c1, ripemd->buffer[15],  9, k2);
+    Subround(H, c1, d1, e1, a1, b1, ripemd->buffer[ 8], 13, k2);
+    Subround(H, b1, c1, d1, e1, a1, ripemd->buffer[ 1], 15, k2);
+    Subround(H, a1, b1, c1, d1, e1, ripemd->buffer[ 2], 14, k2);
+    Subround(H, e1, a1, b1, c1, d1, ripemd->buffer[ 7],  8, k2);
+    Subround(H, d1, e1, a1, b1, c1, ripemd->buffer[ 0], 13, k2);
+    Subround(H, c1, d1, e1, a1, b1, ripemd->buffer[ 6],  6, k2);
+    Subround(H, b1, c1, d1, e1, a1, ripemd->buffer[13],  5, k2);
+    Subround(H, a1, b1, c1, d1, e1, ripemd->buffer[11], 12, k2);
+    Subround(H, e1, a1, b1, c1, d1, ripemd->buffer[ 5],  7, k2);
+    Subround(H, d1, e1, a1, b1, c1, ripemd->buffer[12],  5, k2);
+
+    Subround(I, c1, d1, e1, a1, b1, ripemd->buffer[ 1], 11, k3);
+    Subround(I, b1, c1, d1, e1, a1, ripemd->buffer[ 9], 12, k3);
+    Subround(I, a1, b1, c1, d1, e1, ripemd->buffer[11], 14, k3);
+    Subround(I, e1, a1, b1, c1, d1, ripemd->buffer[10], 15, k3);
+    Subround(I, d1, e1, a1, b1, c1, ripemd->buffer[ 0], 14, k3);
+    Subround(I, c1, d1, e1, a1, b1, ripemd->buffer[ 8], 15, k3);
+    Subround(I, b1, c1, d1, e1, a1, ripemd->buffer[12],  9, k3);
+    Subround(I, a1, b1, c1, d1, e1, ripemd->buffer[ 4],  8, k3);
+    Subround(I, e1, a1, b1, c1, d1, ripemd->buffer[13],  9, k3);
+    Subround(I, d1, e1, a1, b1, c1, ripemd->buffer[ 3], 14, k3);
+    Subround(I, c1, d1, e1, a1, b1, ripemd->buffer[ 7],  5, k3);
+    Subround(I, b1, c1, d1, e1, a1, ripemd->buffer[15],  6, k3);
+    Subround(I, a1, b1, c1, d1, e1, ripemd->buffer[14],  8, k3);
+    Subround(I, e1, a1, b1, c1, d1, ripemd->buffer[ 5],  6, k3);
+    Subround(I, d1, e1, a1, b1, c1, ripemd->buffer[ 6],  5, k3);
+    Subround(I, c1, d1, e1, a1, b1, ripemd->buffer[ 2], 12, k3);
+
+    Subround(J, b1, c1, d1, e1, a1, ripemd->buffer[ 4],  9, k4);
+    Subround(J, a1, b1, c1, d1, e1, ripemd->buffer[ 0], 15, k4);
+    Subround(J, e1, a1, b1, c1, d1, ripemd->buffer[ 5],  5, k4);
+    Subround(J, d1, e1, a1, b1, c1, ripemd->buffer[ 9], 11, k4);
+    Subround(J, c1, d1, e1, a1, b1, ripemd->buffer[ 7],  6, k4);
+    Subround(J, b1, c1, d1, e1, a1, ripemd->buffer[12],  8, k4);
+    Subround(J, a1, b1, c1, d1, e1, ripemd->buffer[ 2], 13, k4);
+    Subround(J, e1, a1, b1, c1, d1, ripemd->buffer[10], 12, k4);
+    Subround(J, d1, e1, a1, b1, c1, ripemd->buffer[14],  5, k4);
+    Subround(J, c1, d1, e1, a1, b1, ripemd->buffer[ 1], 12, k4);
+    Subround(J, b1, c1, d1, e1, a1, ripemd->buffer[ 3], 13, k4);
+    Subround(J, a1, b1, c1, d1, e1, ripemd->buffer[ 8], 14, k4);
+    Subround(J, e1, a1, b1, c1, d1, ripemd->buffer[11], 11, k4);
+    Subround(J, d1, e1, a1, b1, c1, ripemd->buffer[ 6],  8, k4);
+    Subround(J, c1, d1, e1, a1, b1, ripemd->buffer[15],  5, k4);
+    Subround(J, b1, c1, d1, e1, a1, ripemd->buffer[13],  6, k4);
+
+    Subround(J, a2, b2, c2, d2, e2, ripemd->buffer[ 5],  8, k5);
+    Subround(J, e2, a2, b2, c2, d2, ripemd->buffer[14],  9, k5);
+    Subround(J, d2, e2, a2, b2, c2, ripemd->buffer[ 7],  9, k5);
+    Subround(J, c2, d2, e2, a2, b2, ripemd->buffer[ 0], 11, k5);
+    Subround(J, b2, c2, d2, e2, a2, ripemd->buffer[ 9], 13, k5);
+    Subround(J, a2, b2, c2, d2, e2, ripemd->buffer[ 2], 15, k5);
+    Subround(J, e2, a2, b2, c2, d2, ripemd->buffer[11], 15, k5);
+    Subround(J, d2, e2, a2, b2, c2, ripemd->buffer[ 4],  5, k5);
+    Subround(J, c2, d2, e2, a2, b2, ripemd->buffer[13],  7, k5);
+    Subround(J, b2, c2, d2, e2, a2, ripemd->buffer[ 6],  7, k5);
+    Subround(J, a2, b2, c2, d2, e2, ripemd->buffer[15],  8, k5);
+    Subround(J, e2, a2, b2, c2, d2, ripemd->buffer[ 8], 11, k5);
+    Subround(J, d2, e2, a2, b2, c2, ripemd->buffer[ 1], 14, k5);
+    Subround(J, c2, d2, e2, a2, b2, ripemd->buffer[10], 14, k5);
+    Subround(J, b2, c2, d2, e2, a2, ripemd->buffer[ 3], 12, k5);
+    Subround(J, a2, b2, c2, d2, e2, ripemd->buffer[12],  6, k5);
+
+    Subround(I, e2, a2, b2, c2, d2, ripemd->buffer[ 6],  9, k6); 
+    Subround(I, d2, e2, a2, b2, c2, ripemd->buffer[11], 13, k6);
+    Subround(I, c2, d2, e2, a2, b2, ripemd->buffer[ 3], 15, k6);
+    Subround(I, b2, c2, d2, e2, a2, ripemd->buffer[ 7],  7, k6);
+    Subround(I, a2, b2, c2, d2, e2, ripemd->buffer[ 0], 12, k6);
+    Subround(I, e2, a2, b2, c2, d2, ripemd->buffer[13],  8, k6);
+    Subround(I, d2, e2, a2, b2, c2, ripemd->buffer[ 5],  9, k6);
+    Subround(I, c2, d2, e2, a2, b2, ripemd->buffer[10], 11, k6);
+    Subround(I, b2, c2, d2, e2, a2, ripemd->buffer[14],  7, k6);
+    Subround(I, a2, b2, c2, d2, e2, ripemd->buffer[15],  7, k6);
+    Subround(I, e2, a2, b2, c2, d2, ripemd->buffer[ 8], 12, k6);
+    Subround(I, d2, e2, a2, b2, c2, ripemd->buffer[12],  7, k6);
+    Subround(I, c2, d2, e2, a2, b2, ripemd->buffer[ 4],  6, k6);
+    Subround(I, b2, c2, d2, e2, a2, ripemd->buffer[ 9], 15, k6);
+    Subround(I, a2, b2, c2, d2, e2, ripemd->buffer[ 1], 13, k6);
+    Subround(I, e2, a2, b2, c2, d2, ripemd->buffer[ 2], 11, k6);
+
+    Subround(H, d2, e2, a2, b2, c2, ripemd->buffer[15],  9, k7);
+    Subround(H, c2, d2, e2, a2, b2, ripemd->buffer[ 5],  7, k7);
+    Subround(H, b2, c2, d2, e2, a2, ripemd->buffer[ 1], 15, k7);
+    Subround(H, a2, b2, c2, d2, e2, ripemd->buffer[ 3], 11, k7);
+    Subround(H, e2, a2, b2, c2, d2, ripemd->buffer[ 7],  8, k7);
+    Subround(H, d2, e2, a2, b2, c2, ripemd->buffer[14],  6, k7);
+    Subround(H, c2, d2, e2, a2, b2, ripemd->buffer[ 6],  6, k7);
+    Subround(H, b2, c2, d2, e2, a2, ripemd->buffer[ 9], 14, k7);
+    Subround(H, a2, b2, c2, d2, e2, ripemd->buffer[11], 12, k7);
+    Subround(H, e2, a2, b2, c2, d2, ripemd->buffer[ 8], 13, k7);
+    Subround(H, d2, e2, a2, b2, c2, ripemd->buffer[12],  5, k7);
+    Subround(H, c2, d2, e2, a2, b2, ripemd->buffer[ 2], 14, k7);
+    Subround(H, b2, c2, d2, e2, a2, ripemd->buffer[10], 13, k7);
+    Subround(H, a2, b2, c2, d2, e2, ripemd->buffer[ 0], 13, k7);
+    Subround(H, e2, a2, b2, c2, d2, ripemd->buffer[ 4],  7, k7);
+    Subround(H, d2, e2, a2, b2, c2, ripemd->buffer[13],  5, k7);
+
+    Subround(G, c2, d2, e2, a2, b2, ripemd->buffer[ 8], 15, k8);
+    Subround(G, b2, c2, d2, e2, a2, ripemd->buffer[ 6],  5, k8);
+    Subround(G, a2, b2, c2, d2, e2, ripemd->buffer[ 4],  8, k8);
+    Subround(G, e2, a2, b2, c2, d2, ripemd->buffer[ 1], 11, k8);
+    Subround(G, d2, e2, a2, b2, c2, ripemd->buffer[ 3], 14, k8);
+    Subround(G, c2, d2, e2, a2, b2, ripemd->buffer[11], 14, k8);
+    Subround(G, b2, c2, d2, e2, a2, ripemd->buffer[15],  6, k8);
+    Subround(G, a2, b2, c2, d2, e2, ripemd->buffer[ 0], 14, k8);
+    Subround(G, e2, a2, b2, c2, d2, ripemd->buffer[ 5],  6, k8);
+    Subround(G, d2, e2, a2, b2, c2, ripemd->buffer[12],  9, k8);
+    Subround(G, c2, d2, e2, a2, b2, ripemd->buffer[ 2], 12, k8);
+    Subround(G, b2, c2, d2, e2, a2, ripemd->buffer[13],  9, k8);
+    Subround(G, a2, b2, c2, d2, e2, ripemd->buffer[ 9], 12, k8);
+    Subround(G, e2, a2, b2, c2, d2, ripemd->buffer[ 7],  5, k8);
+    Subround(G, d2, e2, a2, b2, c2, ripemd->buffer[10], 15, k8);
+    Subround(G, c2, d2, e2, a2, b2, ripemd->buffer[14],  8, k8);
+
+    Subround(F, b2, c2, d2, e2, a2, ripemd->buffer[12],  8, k9);
+    Subround(F, a2, b2, c2, d2, e2, ripemd->buffer[15],  5, k9);
+    Subround(F, e2, a2, b2, c2, d2, ripemd->buffer[10], 12, k9);
+    Subround(F, d2, e2, a2, b2, c2, ripemd->buffer[ 4],  9, k9);
+    Subround(F, c2, d2, e2, a2, b2, ripemd->buffer[ 1], 12, k9);
+    Subround(F, b2, c2, d2, e2, a2, ripemd->buffer[ 5],  5, k9);
+    Subround(F, a2, b2, c2, d2, e2, ripemd->buffer[ 8], 14, k9);
+    Subround(F, e2, a2, b2, c2, d2, ripemd->buffer[ 7],  6, k9);
+    Subround(F, d2, e2, a2, b2, c2, ripemd->buffer[ 6],  8, k9);
+    Subround(F, c2, d2, e2, a2, b2, ripemd->buffer[ 2], 13, k9);
+    Subround(F, b2, c2, d2, e2, a2, ripemd->buffer[13],  6, k9);
+    Subround(F, a2, b2, c2, d2, e2, ripemd->buffer[14],  5, k9);
+    Subround(F, e2, a2, b2, c2, d2, ripemd->buffer[ 0], 15, k9);
+    Subround(F, d2, e2, a2, b2, c2, ripemd->buffer[ 3], 13, k9);
+    Subround(F, c2, d2, e2, a2, b2, ripemd->buffer[ 9], 11, k9);
+    Subround(F, b2, c2, d2, e2, a2, ripemd->buffer[11], 11, k9);
+
+    c1                = ripemd->digest[1] + c1 + d2;
+    ripemd->digest[1] = ripemd->digest[2] + d1 + e2;
+    ripemd->digest[2] = ripemd->digest[3] + e1 + a2;
+    ripemd->digest[3] = ripemd->digest[4] + a1 + b2;
+    ripemd->digest[4] = ripemd->digest[0] + b1 + c2;
+    ripemd->digest[0] = c1;
+}
+
+
+static INLINE void AddLength(RipeMd* ripemd, word32 len)
+{
+    word32 tmp = ripemd->loLen;
+    if ( (ripemd->loLen += len) < tmp)
+        ripemd->hiLen++;                       /* carry low to high */
+}
+
+
+int wc_RipeMdUpdate(RipeMd* ripemd, const byte* data, word32 len)
+{
+    /* do block size increments */
+    byte* local;
+   
+    if (ripemd == NULL || (data == NULL && len > 0)) {
+        return BAD_FUNC_ARG;
+    }
+   
+    local = (byte*)ripemd->buffer;
+
+    while (len) {
+        word32 add = min(len, RIPEMD_BLOCK_SIZE - ripemd->buffLen);
+        XMEMCPY(&local[ripemd->buffLen], data, add);
+
+        ripemd->buffLen += add;
+        data         += add;
+        len          -= add;
+
+        if (ripemd->buffLen == RIPEMD_BLOCK_SIZE) {
+            #ifdef BIG_ENDIAN_ORDER
+                ByteReverseWords(ripemd->buffer, ripemd->buffer,
+                                 RIPEMD_BLOCK_SIZE);
+            #endif
+            Transform(ripemd);
+            AddLength(ripemd, RIPEMD_BLOCK_SIZE);
+            ripemd->buffLen = 0;
+        }
+    }
+    return 0;
+}
+
+
+int wc_RipeMdFinal(RipeMd* ripemd, byte* hash)
+{
+    byte* local;
+   
+    if (ripemd == NULL || hash == NULL) {
+        return BAD_FUNC_ARG;
+    }
+   
+    local = (byte*)ripemd->buffer;
+
+    AddLength(ripemd, ripemd->buffLen);               /* before adding pads */
+
+    local[ripemd->buffLen++] = 0x80;  /* add 1 */
+
+    /* pad with zeros */
+    if (ripemd->buffLen > RIPEMD_PAD_SIZE) {
+        XMEMSET(&local[ripemd->buffLen], 0, RIPEMD_BLOCK_SIZE - ripemd->buffLen);
+        ripemd->buffLen += RIPEMD_BLOCK_SIZE - ripemd->buffLen;
+
+        #ifdef BIG_ENDIAN_ORDER
+            ByteReverseWords(ripemd->buffer, ripemd->buffer, RIPEMD_BLOCK_SIZE);
+        #endif
+        Transform(ripemd);
+        ripemd->buffLen = 0;
+    }
+    XMEMSET(&local[ripemd->buffLen], 0, RIPEMD_PAD_SIZE - ripemd->buffLen);
+   
+    /* put lengths in bits */
+    ripemd->loLen = ripemd->loLen << 3;
+    ripemd->hiLen = (ripemd->loLen >> (8*sizeof(ripemd->loLen) - 3)) + 
+                 (ripemd->hiLen << 3);
+
+    /* store lengths */
+    #ifdef BIG_ENDIAN_ORDER
+        ByteReverseWords(ripemd->buffer, ripemd->buffer, RIPEMD_BLOCK_SIZE);
+    #endif
+    /* ! length ordering dependent on digest endian type ! */
+    XMEMCPY(&local[RIPEMD_PAD_SIZE], &ripemd->loLen, sizeof(word32));
+    XMEMCPY(&local[RIPEMD_PAD_SIZE + sizeof(word32)], &ripemd->hiLen, 
+           sizeof(word32));
+
+    Transform(ripemd);
+    #ifdef BIG_ENDIAN_ORDER
+        ByteReverseWords(ripemd->digest, ripemd->digest, RIPEMD_DIGEST_SIZE);
+    #endif
+    XMEMCPY(hash, ripemd->digest, RIPEMD_DIGEST_SIZE);
+
+    return wc_InitRipeMd(ripemd);  /* reset state */
+}
+
+
+#endif /* WOLFSSL_RIPEMD */
+