Apache Portable Runtime
apr_md4.h
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16 /* This is derived from material copyright RSA Data Security, Inc.
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24  * Algorithm" in all material mentioning or referencing this software
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40 
41 #ifndef APR_MD4_H
42 #define APR_MD4_H
43 
44 #include "apu.h"
45 #include "apr_xlate.h"
46 /**
47  * @file apr_md4.h
48  * @brief APR-UTIL MD4 Library
49  */
50 #ifdef __cplusplus
51 extern "C" {
52 #endif
53 
54 /**
55  * @defgroup APR_Util_MD4 MD4 Library
56  * @ingroup APR
57  * @{
58  */
59 
60 /** The digestsize for MD4 */
61 #define APR_MD4_DIGESTSIZE 16
62 
63 /** @see apr_md4_ctx_t */
65 
66 /** MD4 context. */
67 struct apr_md4_ctx_t {
68  /** state (ABCD) */
69  apr_uint32_t state[4];
70  /** number of bits, modulo 2^64 (lsb first) */
71  apr_uint32_t count[2];
72  /** input buffer */
73  unsigned char buffer[64];
74 #if APR_HAS_XLATE
75  /** translation handle */
77 #endif
78 };
79 
80 /**
81  * MD4 Initialize. Begins an MD4 operation, writing a new context.
82  * @param context The MD4 context to initialize.
83  */
85 
86 #if APR_HAS_XLATE
87 /**
88  * MDr4 translation setup. Provides the APR translation handle to be used
89  * for translating the content before calculating the digest.
90  * @param context The MD4 content to set the translation for.
91  * @param xlate The translation handle to use for this MD4 context
92  */
94  apr_xlate_t *xlate);
95 #else
96 #define apr_md4_set_xlate(context, xlate) APR_ENOTIMPL
97 #endif
98 
99 /**
100  * MD4 block update operation. Continue an MD4 message-digest operation,
101  * processing another message block, and updating the context.
102  * @param context The MD4 content to update.
103  * @param input next message block to update
104  * @param inputLen The length of the next message block
105  */
107  const unsigned char *input,
108  apr_size_t inputLen);
109 
110 /**
111  * MD4 finalization. Ends an MD4 message-digest operation, writing the
112  * message digest and zeroing the context
113  * @param digest The final MD4 digest
114  * @param context The MD4 content we are finalizing.
115  */
117  unsigned char digest[APR_MD4_DIGESTSIZE],
118  apr_md4_ctx_t *context);
119 
120 /**
121  * MD4 digest computation
122  * @param digest The MD4 digest
123  * @param input message block to use
124  * @param inputLen The length of the message block
125  */
126 APR_DECLARE(apr_status_t) apr_md4(unsigned char digest[APR_MD4_DIGESTSIZE],
127  const unsigned char *input,
128  apr_size_t inputLen);
129 
130 /** @} */
131 #ifdef __cplusplus
132 }
133 #endif
134 
135 #endif /* !APR_MD4_H */
Definition: apr_md4.h:67
#define APR_MD4_DIGESTSIZE
Definition: apr_md4.h:61
unsigned char buffer[64]
Definition: apr_md4.h:73
apr_status_t apr_md4(unsigned char digest[APR_MD4_DIGESTSIZE], const unsigned char *input, apr_size_t inputLen)
apr_status_t apr_md4_final(unsigned char digest[APR_MD4_DIGESTSIZE], apr_md4_ctx_t *context)
struct apr_xlate_t apr_xlate_t
Definition: apr_xlate.h:39
apr_status_t apr_md4_init(apr_md4_ctx_t *context)
#define APR_DECLARE(type)
Definition: apr.h:500
apr_xlate_t * xlate
Definition: apr_md4.h:76
APR I18N translation library.
int apr_status_t
Definition: apr_errno.h:44
apr_status_t apr_md4_update(apr_md4_ctx_t *context, const unsigned char *input, apr_size_t inputLen)
apr_uint32_t state[4]
Definition: apr_md4.h:69
apr_uint32_t count[2]
Definition: apr_md4.h:71
apr_status_t apr_md4_set_xlate(apr_md4_ctx_t *context, apr_xlate_t *xlate)