Mercurial > dropbear

comparison random.c @ 351:e66eec4dcba7 debug-unrandom

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some more debugging output
author Matt Johnston <matt@ucc.asn.au>
date Tue, 08 Aug 2006 15:31:38 +0000
parents 381834084475
children c61bd8f9e32d
comparison
equal deleted inserted replaced
348:cd14c94fe89c 351:e66eec4dcba7
69 void genrandom(unsigned char* buf, unsigned int len) { 69 void genrandom(unsigned char* buf, unsigned int len) {
70 70
71 hash_state hs; 71 hash_state hs;
72 unsigned char hash[SHA1_HASH_SIZE]; 72 unsigned char hash[SHA1_HASH_SIZE];
73 unsigned int copylen; 73 unsigned int copylen;
74 const unsigned int total_len = len;
75 unsigned char* start_buf = buf;
74 76
75 if (!donerandinit) { 77 if (!donerandinit) {
76 dropbear_exit("seedrandom not done"); 78 dropbear_exit("seedrandom not done");
77 } 79 }
78 80
91 memcpy(buf, hash, copylen); 93 memcpy(buf, hash, copylen);
92 len -= copylen; 94 len -= copylen;
93 buf += copylen; 95 buf += copylen;
94 } 96 }
95 m_burn(hash, sizeof(hash)); 97 m_burn(hash, sizeof(hash));
98 printhex("genrandom", start_buf, total_len);
96 } 99 }
97 100
98 /* Generates a random mp_int. 101 /* Generates a random mp_int.
99 * max is a *mp_int specifying an upper bound. 102 * max is a *mp_int specifying an upper bound.
100 * rand must be an initialised *mp_int for the result. 103 * rand must be an initialised *mp_int for the result.