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34 #include "krb5_locl.h"
36 #ifdef DES3_OLD_ENCTYPE
37 static krb5_error_code
38 DES3_string_to_key(krb5_context context,
47 unsigned char tmp[24];
51 len = password.length + salt.saltvalue.length;
53 if(len != 0 && str == NULL) {
54 krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
57 memcpy(str, password.data, password.length);
58 memcpy(str + password.length, salt.saltvalue.data, salt.saltvalue.length);
61 DES_key_schedule s[3];
64 ret = _krb5_n_fold(str, len, tmp, 24);
68 krb5_set_error_message(context, ret, N_("malloc: out of memory", ""));
72 for(i = 0; i < 3; i++){
73 memcpy(keys + i, tmp + i * 8, sizeof(keys[i]));
74 DES_set_odd_parity(keys + i);
75 if(DES_is_weak_key(keys + i))
76 _krb5_xor(keys + i, (const unsigned char*)"\0\0\0\0\0\0\0\xf0");
77 DES_set_key_unchecked(keys + i, &s[i]);
79 memset(&ivec, 0, sizeof(ivec));
80 DES_ede3_cbc_encrypt(tmp,
82 &s[0], &s[1], &s[2], &ivec, DES_ENCRYPT);
83 memset(s, 0, sizeof(s));
84 memset(&ivec, 0, sizeof(ivec));
85 for(i = 0; i < 3; i++){
86 memcpy(keys + i, tmp + i * 8, sizeof(keys[i]));
87 DES_set_odd_parity(keys + i);
88 if(DES_is_weak_key(keys + i))
89 _krb5_xor(keys + i, (const unsigned char*)"\0\0\0\0\0\0\0\xf0");
91 memset(tmp, 0, sizeof(tmp));
93 key->keytype = enctype;
94 krb5_data_copy(&key->keyvalue, keys, sizeof(keys));
95 memset(keys, 0, sizeof(keys));
102 static krb5_error_code
103 DES3_string_to_key_derived(krb5_context context,
104 krb5_enctype enctype,
111 size_t len = password.length + salt.saltvalue.length;
115 if(len != 0 && s == NULL) {
116 krb5_set_error_message(context, ENOMEM, N_("malloc: out of memory", ""));
119 memcpy(s, password.data, password.length);
120 memcpy(s + password.length, salt.saltvalue.data, salt.saltvalue.length);
121 ret = krb5_string_to_key_derived(context,
132 #ifdef DES3_OLD_ENCTYPE
133 struct salt_type _krb5_des3_salt[] = {
143 struct salt_type _krb5_des3_salt_derived[] = {
147 DES3_string_to_key_derived