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md4_dgst.c

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1 /* $OpenBSD: md4_dgst.c,v 1.16 2015/09/14 01:45:03 doug Exp $ */ -

4 * -

5 * This package is an SSL implementation written -

6 * by Eric Young (eay@cryptsoft.com). -

7 * The implementation was written so as to conform with Netscapes SSL. -

8 * -

9 * This library is free for commercial and non-commercial use as long as -

10 * the following conditions are aheared to. The following conditions -

11 * apply to all code found in this distribution, be it the RC4, RSA, -

12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation -

13 * included with this distribution is covered by the same copyright terms -

14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). -

15 * -

16 * Copyright remains Eric Young's, and as such any Copyright notices in -

17 * the code are not to be removed. -

18 * If this package is used in a product, Eric Young should be given attribution -

19 * as the author of the parts of the library used. -

20 * This can be in the form of a textual message at program startup or -

21 * in documentation (online or textual) provided with the package. -

22 * -

23 * Redistribution and use in source and binary forms, with or without -

24 * modification, are permitted provided that the following conditions -

25 * are met: -

26 * 1. Redistributions of source code must retain the copyright -

27 * notice, this list of conditions and the following disclaimer. -

28 * 2. Redistributions in binary form must reproduce the above copyright -

29 * notice, this list of conditions and the following disclaimer in the -

30 * documentation and/or other materials provided with the distribution. -

31 * 3. All advertising materials mentioning features or use of this software -

32 * must display the following acknowledgement: -

33 * "This product includes cryptographic software written by -

34 * Eric Young (eay@cryptsoft.com)" -

35 * The word 'cryptographic' can be left out if the rouines from the library -

36 * being used are not cryptographic related :-). -

37 * 4. If you include any Windows specific code (or a derivative thereof) from -

38 * the apps directory (application code) you must include an acknowledgement: -

39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" -

40 * -

41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND -

42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -

43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -

44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE -

45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL -

46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS -

47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) -

48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -

49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -

50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF -

51 * SUCH DAMAGE. -

52 * -

53 * The licence and distribution terms for any publically available version or -

54 * derivative of this code cannot be changed. i.e. this code cannot simply be -

55 * copied and put under another distribution licence -

56 * [including the GNU Public Licence.] -

57 */ -

58 -

59 #include <stdio.h> -

60 #include <openssl/opensslv.h> -

61 #include <openssl/crypto.h> -

62 #include "md4_locl.h" -

63 -

64 /* Implemented from RFC1186 The MD4 Message-Digest Algorithm -

65 */ -

66 -

67 #define INIT_DATA_A (unsigned long)0x67452301L -

68 #define INIT_DATA_B (unsigned long)0xefcdab89L -

69 #define INIT_DATA_C (unsigned long)0x98badcfeL -

70 #define INIT_DATA_D (unsigned long)0x10325476L -

71 -

72 int MD4_Init(MD4_CTX *c) -

73 { -

74 memset (c,0,sizeof(*c)); -

75 c->A=INIT_DATA_A; -

76 c->B=INIT_DATA_B; -

77 c->C=INIT_DATA_C; -

78 c->D=INIT_DATA_D; -

return 1;

executed 7 times by 1 test: return 1;

Executed by:

md4test

80 } -

81 -

82 #ifndef md4_block_data_order -

83 #ifdef X -

84 #undef X -

85 #endif -

86 void md4_block_data_order (MD4_CTX *c, const void *data_, size_t num) -

87 { -

88 const unsigned char *data=data_; -

89 unsigned MD32_REG_T A,B,C,D,l; -

90 #ifndef MD32_XARRAY -

91 /* See comment in crypto/sha/sha_locl.h for details. */ -

92 unsigned MD32_REG_T XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7, -

93 XX8, XX9,XX10,XX11,XX12,XX13,XX14,XX15; -

94 # define X(i) XX##i -

95 #else -

96 MD4_LONG XX[MD4_LBLOCK]; -

97 # define X(i) XX[i] -

98 #endif -

99 -

100 A=c->A; -

101 B=c->B; -

102 C=c->C; -

103 D=c->D; -

104 -

105

for (;num--;)

num--	Description
TRUE	evaluated 9 times by 1 test Evaluated by: md4test
FALSE	evaluated 9 times by 1 test Evaluated by: md4test

106 { -

107 HOST_c2l(data,l); X( 0)=l; -

108 HOST_c2l(data,l); X( 1)=l; -

109 /* Round 0 */ -

110 R0(A,B,C,D,X( 0), 3,0); HOST_c2l(data,l); X( 2)=l; -

111 R0(D,A,B,C,X( 1), 7,0); HOST_c2l(data,l); X( 3)=l; -

112 R0(C,D,A,B,X( 2),11,0); HOST_c2l(data,l); X( 4)=l; -

113 R0(B,C,D,A,X( 3),19,0); HOST_c2l(data,l); X( 5)=l; -

114 R0(A,B,C,D,X( 4), 3,0); HOST_c2l(data,l); X( 6)=l; -

115 R0(D,A,B,C,X( 5), 7,0); HOST_c2l(data,l); X( 7)=l; -

116 R0(C,D,A,B,X( 6),11,0); HOST_c2l(data,l); X( 8)=l; -

117 R0(B,C,D,A,X( 7),19,0); HOST_c2l(data,l); X( 9)=l; -

118 R0(A,B,C,D,X( 8), 3,0); HOST_c2l(data,l); X(10)=l; -

119 R0(D,A,B,C,X( 9), 7,0); HOST_c2l(data,l); X(11)=l; -

120 R0(C,D,A,B,X(10),11,0); HOST_c2l(data,l); X(12)=l; -

121 R0(B,C,D,A,X(11),19,0); HOST_c2l(data,l); X(13)=l; -

122 R0(A,B,C,D,X(12), 3,0); HOST_c2l(data,l); X(14)=l; -

123 R0(D,A,B,C,X(13), 7,0); HOST_c2l(data,l); X(15)=l; -

124 R0(C,D,A,B,X(14),11,0); -

125 R0(B,C,D,A,X(15),19,0); -

126 /* Round 1 */ -

127 R1(A,B,C,D,X( 0), 3,0x5A827999L); -

128 R1(D,A,B,C,X( 4), 5,0x5A827999L); -

129 R1(C,D,A,B,X( 8), 9,0x5A827999L); -

130 R1(B,C,D,A,X(12),13,0x5A827999L); -

131 R1(A,B,C,D,X( 1), 3,0x5A827999L); -

132 R1(D,A,B,C,X( 5), 5,0x5A827999L); -

133 R1(C,D,A,B,X( 9), 9,0x5A827999L); -

134 R1(B,C,D,A,X(13),13,0x5A827999L); -

135 R1(A,B,C,D,X( 2), 3,0x5A827999L); -

136 R1(D,A,B,C,X( 6), 5,0x5A827999L); -

137 R1(C,D,A,B,X(10), 9,0x5A827999L); -

138 R1(B,C,D,A,X(14),13,0x5A827999L); -

139 R1(A,B,C,D,X( 3), 3,0x5A827999L); -

140 R1(D,A,B,C,X( 7), 5,0x5A827999L); -

141 R1(C,D,A,B,X(11), 9,0x5A827999L); -

142 R1(B,C,D,A,X(15),13,0x5A827999L); -

143 /* Round 2 */ -

144 R2(A,B,C,D,X( 0), 3,0x6ED9EBA1L); -

145 R2(D,A,B,C,X( 8), 9,0x6ED9EBA1L); -

146 R2(C,D,A,B,X( 4),11,0x6ED9EBA1L); -

147 R2(B,C,D,A,X(12),15,0x6ED9EBA1L); -

148 R2(A,B,C,D,X( 2), 3,0x6ED9EBA1L); -

149 R2(D,A,B,C,X(10), 9,0x6ED9EBA1L); -

150 R2(C,D,A,B,X( 6),11,0x6ED9EBA1L); -

151 R2(B,C,D,A,X(14),15,0x6ED9EBA1L); -

152 R2(A,B,C,D,X( 1), 3,0x6ED9EBA1L); -

153 R2(D,A,B,C,X( 9), 9,0x6ED9EBA1L); -

154 R2(C,D,A,B,X( 5),11,0x6ED9EBA1L); -

155 R2(B,C,D,A,X(13),15,0x6ED9EBA1L); -

156 R2(A,B,C,D,X( 3), 3,0x6ED9EBA1L); -

157 R2(D,A,B,C,X(11), 9,0x6ED9EBA1L); -

158 R2(C,D,A,B,X( 7),11,0x6ED9EBA1L); -

159 R2(B,C,D,A,X(15),15,0x6ED9EBA1L); -

160 -

161 A = c->A += A; -

162 B = c->B += B; -

163 C = c->C += C; -

164 D = c->D += D; -

165

}

executed 9 times by 1 test: end of block

Executed by:

md4test

166

}

executed 9 times by 1 test: end of block

Executed by:

md4test

167 #endif -

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