Adding upstream version 110.0.1.upstream/110.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 179 insertions, 0 deletions

diff --git a/security/manager/ssl/md4.c b/security/manager/ssl/md4.c
new file mode 100644
index 0000000000..ed2369f1fa
--- /dev/null
+++ b/security/manager/ssl/md4.c
@@ -0,0 +1,179 @@
+/* vim:set ts=2 sw=2 et cindent: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/*
+ * "clean room" MD4 implementation (see RFC 1320)
+ */
+
+#include <string.h>
+#include "md4.h"
+
+/* the "conditional" function */
+#define F(x, y, z) (((x) & (y)) | (~(x) & (z)))
+
+/* the "majority" function */
+#define G(x, y, z) (((x) & (y)) | ((x) & (z)) | ((y) & (z)))
+
+/* the "parity" function */
+#define H(x, y, z) ((x) ^ (y) ^ (z))
+
+/* rotate n-bits to the left */
+#define ROTL(x, n) (((x) << (n)) | ((x) >> (0x20 - n)))
+
+/* round 1: [abcd k s]: a = (a + F(b,c,d) + X[k]) <<< s */
+#define RD1(a, b, c, d, k, s) \
+  a += F(b, c, d) + X[k];     \
+  a = ROTL(a, s)
+
+/* round 2: [abcd k s]: a = (a + G(b,c,d) + X[k] + MAGIC) <<< s */
+#define RD2(a, b, c, d, k, s)          \
+  a += G(b, c, d) + X[k] + 0x5A827999; \
+  a = ROTL(a, s)
+
+/* round 3: [abcd k s]: a = (a + H(b,c,d) + X[k] + MAGIC) <<< s */
+#define RD3(a, b, c, d, k, s)          \
+  a += H(b, c, d) + X[k] + 0x6ED9EBA1; \
+  a = ROTL(a, s)
+
+/* converts from word array to byte array, len is number of bytes */
+static void w2b(uint8_t* out, const uint32_t* in, uint32_t len) {
+  uint8_t* bp;
+  const uint32_t *wp, *wpend;
+
+  bp = out;
+  wp = in;
+  wpend = wp + (len >> 2);
+
+  for (; wp != wpend; ++wp, bp += 4) {
+    bp[0] = (uint8_t)((*wp) & 0xFF);
+    bp[1] = (uint8_t)((*wp >> 8) & 0xFF);
+    bp[2] = (uint8_t)((*wp >> 16) & 0xFF);
+    bp[3] = (uint8_t)((*wp >> 24) & 0xFF);
+  }
+}
+
+/* converts from byte array to word array, len is number of bytes */
+static void b2w(uint32_t* out, const uint8_t* in, uint32_t len) {
+  uint32_t* wp;
+  const uint8_t *bp, *bpend;
+
+  wp = out;
+  bp = in;
+  bpend = in + len;
+
+  for (; bp != bpend; bp += 4, ++wp) {
+    *wp = (uint32_t)bp[0] | ((uint32_t)bp[1] << 8) | ((uint32_t)bp[2] << 16) |
+          ((uint32_t)bp[3] << 24);
+  }
+}
+
+/* update state: data is 64 bytes in length */
+static void md4step(uint32_t state[4], const uint8_t* data) {
+  uint32_t A, B, C, D, X[16];
+
+  b2w(X, data, 64);
+
+  A = state[0];
+  B = state[1];
+  C = state[2];
+  D = state[3];
+
+  RD1(A, B, C, D, 0, 3);
+  RD1(D, A, B, C, 1, 7);
+  RD1(C, D, A, B, 2, 11);
+  RD1(B, C, D, A, 3, 19);
+  RD1(A, B, C, D, 4, 3);
+  RD1(D, A, B, C, 5, 7);
+  RD1(C, D, A, B, 6, 11);
+  RD1(B, C, D, A, 7, 19);
+  RD1(A, B, C, D, 8, 3);
+  RD1(D, A, B, C, 9, 7);
+  RD1(C, D, A, B, 10, 11);
+  RD1(B, C, D, A, 11, 19);
+  RD1(A, B, C, D, 12, 3);
+  RD1(D, A, B, C, 13, 7);
+  RD1(C, D, A, B, 14, 11);
+  RD1(B, C, D, A, 15, 19);
+
+  RD2(A, B, C, D, 0, 3);
+  RD2(D, A, B, C, 4, 5);
+  RD2(C, D, A, B, 8, 9);
+  RD2(B, C, D, A, 12, 13);
+  RD2(A, B, C, D, 1, 3);
+  RD2(D, A, B, C, 5, 5);
+  RD2(C, D, A, B, 9, 9);
+  RD2(B, C, D, A, 13, 13);
+  RD2(A, B, C, D, 2, 3);
+  RD2(D, A, B, C, 6, 5);
+  RD2(C, D, A, B, 10, 9);
+  RD2(B, C, D, A, 14, 13);
+  RD2(A, B, C, D, 3, 3);
+  RD2(D, A, B, C, 7, 5);
+  RD2(C, D, A, B, 11, 9);
+  RD2(B, C, D, A, 15, 13);
+
+  RD3(A, B, C, D, 0, 3);
+  RD3(D, A, B, C, 8, 9);
+  RD3(C, D, A, B, 4, 11);
+  RD3(B, C, D, A, 12, 15);
+  RD3(A, B, C, D, 2, 3);
+  RD3(D, A, B, C, 10, 9);
+  RD3(C, D, A, B, 6, 11);
+  RD3(B, C, D, A, 14, 15);
+  RD3(A, B, C, D, 1, 3);
+  RD3(D, A, B, C, 9, 9);
+  RD3(C, D, A, B, 5, 11);
+  RD3(B, C, D, A, 13, 15);
+  RD3(A, B, C, D, 3, 3);
+  RD3(D, A, B, C, 11, 9);
+  RD3(C, D, A, B, 7, 11);
+  RD3(B, C, D, A, 15, 15);
+
+  state[0] += A;
+  state[1] += B;
+  state[2] += C;
+  state[3] += D;
+}
+
+void md4sum(const uint8_t* input, uint32_t inputLen, uint8_t* result) {
+  uint8_t final[128];
+  uint32_t i, n, m, state[4];
+  uint64_t inputLenBits;
+  uint32_t inputLenBitsLow;
+  uint32_t inputLenBitsHigh;
+
+  /* magic initial states */
+  state[0] = 0x67452301;
+  state[1] = 0xEFCDAB89;
+  state[2] = 0x98BADCFE;
+  state[3] = 0x10325476;
+
+  /* compute number of complete 64-byte segments contained in input */
+  m = inputLen >> 6;
+
+  /* digest first m segments */
+  for (i = 0; i < m; ++i) md4step(state, (input + (i << 6)));
+
+  /* build final buffer */
+  n = inputLen % 64;
+  memcpy(final, input + (m << 6), n);
+  final[n] = 0x80;
+  memset(final + n + 1, 0, 120 - (n + 1));
+
+  /* Append the original input length in bits as a 64-bit number. This is done
+   * in two 32-bit chunks, with the least-significant 32 bits first.
+   * w2b will handle endianness. */
+  inputLenBits = inputLen << 3;
+  inputLenBitsLow = (uint32_t)(inputLenBits & 0xFFFFFFFF);
+  w2b(final + (n >= 56 ? 120 : 56), &inputLenBitsLow, 4);
+  inputLenBitsHigh = (uint32_t)((inputLenBits >> 32) & 0xFFFFFFFF);
+  w2b(final + (n >= 56 ? 124 : 60), &inputLenBitsHigh, 4);
+
+  md4step(state, final);
+  if (n >= 56) md4step(state, final + 64);
+
+  /* copy state to result */
+  w2b(result, state, 16);
+}