1 /* ***** BEGIN LICENSE BLOCK *****
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40 #include "utilrename.h"
45 ** Cipher policy enforcement. This code isn't very pretty, but it accomplishes
46 ** the purpose of obscuring policy information from potential fortifiers. :-)
48 ** The following routines are generic and intended for anywhere where cipher
49 ** policy enforcement is to be done, e.g. SSL and PKCS7&12.
52 #define SEC_CIPHER_NOT_ALLOWED 0
53 #define SEC_CIPHER_ALLOWED 1
54 #define SEC_CIPHER_RESTRICTED 2 /* cipher is allowed in limited cases
57 /* The length of the header string for each cipher table.
58 (It's the same regardless of whether we're using md5 strings or not.) */
59 #define SEC_POLICY_HEADER_LENGTH 48
61 /* If we're testing policy stuff, we may want to use the plaintext version */
62 #define SEC_POLICY_USE_MD5_STRINGS 1
64 #define SEC_POLICY_THIS_IS_THE \
65 "\x2a\x3a\x51\xbf\x2f\x71\xb7\x73\xaa\xca\x6b\x57\x70\xcd\xc8\x9f"
66 #define SEC_POLICY_STRING_FOR_THE \
67 "\x97\x15\xe2\x70\xd2\x8a\xde\xa9\xe7\xa7\x6a\xe2\x83\xe5\xb1\xf6"
68 #define SEC_POLICY_SSL_TAIL \
69 "\x70\x16\x25\xc0\x2a\xb2\x4a\xca\xb6\x67\xb1\x89\x20\xdf\x87\xca"
70 #define SEC_POLICY_SMIME_TAIL \
71 "\xdf\xd4\xe7\x2a\xeb\xc4\x1b\xb5\xd8\xe5\xe0\x2a\x16\x9f\xc4\xb9"
72 #define SEC_POLICY_PKCS12_TAIL \
73 "\x1c\xf8\xa4\x85\x4a\xc6\x8a\xfe\xe6\xca\x03\x72\x50\x1c\xe2\xc8"
75 #if defined(SEC_POLICY_USE_MD5_STRINGS)
78 Use md5 checksums of the strings. */
80 #define SEC_POLICY_SSL_HEADER \
81 SEC_POLICY_THIS_IS_THE SEC_POLICY_STRING_FOR_THE SEC_POLICY_SSL_TAIL
83 #define SEC_POLICY_SMIME_HEADER \
84 SEC_POLICY_THIS_IS_THE SEC_POLICY_STRING_FOR_THE SEC_POLICY_SMIME_TAIL
86 #define SEC_POLICY_PKCS12_HEADER \
87 SEC_POLICY_THIS_IS_THE SEC_POLICY_STRING_FOR_THE SEC_POLICY_PKCS12_TAIL
92 Use plaintext versions of the strings, for testing purposes. */
93 #define SEC_POLICY_SSL_HEADER \
94 "This is the string for the SSL policy table. "
95 #define SEC_POLICY_SMIME_HEADER \
96 "This is the string for the PKCS7 policy table. "
97 #define SEC_POLICY_PKCS12_HEADER \
98 "This is the string for the PKCS12 policy table. "
102 /* Local cipher tables have to have these members at the top. */
103 typedef struct _sec_cp_struct
105 char policy_string[SEC_POLICY_HEADER_LENGTH];
106 long unused; /* placeholder for max keybits in pkcs12 struct */
109 /* cipher policy settings follow. each is a char. */
112 struct SECCipherFindStr
114 /* (policy) and (ciphers) are opaque to the outside world */
121 typedef struct SECCipherFindStr SECCipherFind;
125 SECCipherFind *sec_CipherFindInit(PRBool onlyAllowed,
129 long sec_CipherFindNext(SECCipherFind *find);
131 char sec_IsCipherAllowed(long cipher, secCPStruct *policies,
134 void sec_CipherFindEnd(SECCipherFind *find);
138 #endif /* __SECPLCY_H__ */