1 PACKAGE dbms_obfuscation_toolkit AS
2
3 -- Note that the following pragma applies to both functions
4 -- and procedures (see doc bug 3103959).
5 pragma restrict_references (default, RNDS, WNDS, RNPS, WNPS);
6
7 ------------------------------- TYPES ------------------------------------
8 -- Types used to make it easier for the user to reserve the correct
9 -- amount of memory for a checksum.
10
11 SUBTYPE varchar2_checksum IS VARCHAR2(16);
12 SUBTYPE raw_checksum IS RAW(16);
13
14 ----------------------------- CONSTANTS -----------------------------------
15 -- Triple DES modes
16 TwoKeyMode INTEGER := 0;
17 ThreeKeyMode INTEGER := 1;
18
19 ----------------------------- EXCEPTIONS ----------------------------------
20 -- Invalid mode specified for Triple DES.
21 InvalidTripleDESMode EXCEPTION;
22 PRAGMA EXCEPTION_INIT(InvalidTripleDESMode, -28236);
23
24 ---------------------- FUNCTIONS AND PROCEDURES ---------------------------
25
26 ---------------------------- KEY GENERATION ------------------------------
27 -- The following routines generate encryption keys. Each takes a random
28 -- value which it uses in the generation of the key. This value must be
29 -- at least 80 characters long.
30 -- There are two versions of each procedure and function: one for raw data
31 -- and the other for strings.
32 ---------------------------------------------------------------------------
33 PROCEDURE DESGetKey(seed IN RAW,
34 key OUT RAW);
35 pragma restrict_references (DESGetKey, RNDS, WNDS, WNPS);
36
37 FUNCTION DESGetKey(seed IN RAW) RETURN RAW;
38 pragma restrict_references (DESGetKey, RNDS, WNDS, WNPS);
39
40 PROCEDURE DESGetKey(seed_string IN VARCHAR2,
41 key OUT VARCHAR2);
42 pragma restrict_references (DESGetKey, RNDS, WNDS, WNPS);
43
44 FUNCTION DESGetKey(seed_string IN VARCHAR2) RETURN VARCHAR2;
45 pragma restrict_references (DESGetKey, RNDS, WNDS, WNPS);
46
47 -- For Triple DES, the mode is specified so that the key has the proper
48 -- length is returned.
49 PROCEDURE DES3GetKey(which IN PLS_INTEGER DEFAULT TwoKeyMode,
50 seed IN RAW,
51 key OUT RAW);
52 pragma restrict_references (DES3GetKey, RNDS, WNDS, WNPS);
53
54 FUNCTION DES3GetKey(which IN PLS_INTEGER DEFAULT TwoKeyMode,
55 seed IN RAW)
56 RETURN RAW;
57 pragma restrict_references (DES3GetKey, RNDS, WNDS, WNPS);
58
59 PROCEDURE DES3GetKey(which IN PLS_INTEGER DEFAULT TwoKeyMode,
60 seed_string IN VARCHAR2,
61 key OUT VARCHAR2);
62 pragma restrict_references (DES3GetKey, RNDS, WNDS, WNPS);
63
64 FUNCTION DES3GetKey(which IN PLS_INTEGER DEFAULT TwoKeyMode,
65 seed_string IN VARCHAR2)
66 RETURN VARCHAR2;
67 pragma restrict_references (DES3GetKey, RNDS, WNDS, WNPS);
68
69 ---------------------------- DATA ENCRYPTION ------------------------------
70 -- The following routines encrypt and decrypt data.
71 -- There are two versions of each procedure and function: one for raw data
72 -- and the other for strings.
73 ---------------------------------------------------------------------------
74
75 -- DES
76 PROCEDURE DESEncrypt(input IN RAW,
77 key IN RAW,
78 encrypted_data OUT RAW);
79
80 FUNCTION DESEncrypt(input IN RAW,
81 key IN RAW)
82 RETURN RAW;
83
84 PROCEDURE DESEncrypt(input_string IN VARCHAR2,
85 key_string IN VARCHAR2,
86 encrypted_string OUT VARCHAR2);
87
88 FUNCTION DESEncrypt(input_string IN VARCHAR2,
89 key_string IN VARCHAR2)
90 RETURN VARCHAR2;
91
92 PROCEDURE DESDecrypt(input IN RAW,
93 key IN RAW,
94 decrypted_data OUT RAW);
95
96 FUNCTION DESDecrypt(input IN RAW,
97 key IN RAW)
98 RETURN RAW;
99
100 PROCEDURE DESDecrypt(input_string IN VARCHAR2,
101 key_string IN VARCHAR2,
102 decrypted_string OUT VARCHAR2);
103
104 FUNCTION DESDecrypt(input_string IN VARCHAR2,
105 key_string IN VARCHAR2)
106 RETURN VARCHAR2;
107
108 -- Triple DES
109
110 PROCEDURE DES3Encrypt(input IN RAW,
111 key IN RAW,
112 encrypted_data OUT RAW,
113 which IN PLS_INTEGER
114 DEFAULT TwoKeyMode,
115 iv IN RAW DEFAULT NULL);
116 pragma restrict_references (DES3Encrypt, RNDS, WNDS, WNPS);
117
118 FUNCTION DES3Encrypt(input IN RAW,
119 key IN RAW,
120 which IN PLS_INTEGER DEFAULT TwoKeyMode,
121 iv IN RAW DEFAULT NULL)
122 RETURN RAW;
123 pragma restrict_references (DES3Encrypt, RNDS, WNDS, WNPS);
124
125 PROCEDURE DES3Encrypt(input_string IN VARCHAR2,
126 key_string IN VARCHAR2,
127 encrypted_string OUT VARCHAR2,
128 which IN PLS_INTEGER
129 DEFAULT TwoKeyMode,
130 iv_string IN VARCHAR2 DEFAULT NULL);
131 pragma restrict_references (DES3Encrypt, RNDS, WNDS, WNPS);
132
133 FUNCTION DES3Encrypt(input_string IN VARCHAR2,
134 key_string IN VARCHAR2,
135 which IN PLS_INTEGER DEFAULT TwoKeyMode,
136 iv_string IN VARCHAR2 DEFAULT NULL)
137 RETURN VARCHAR2;
138 pragma restrict_references (DES3Encrypt, RNDS, WNDS, WNPS);
139
140 PROCEDURE DES3Decrypt(input IN RAW,
141 key IN RAW,
142 decrypted_data OUT RAW,
143 which IN PLS_INTEGER
144 DEFAULT TwoKeyMode,
145 iv IN RAW DEFAULT NULL);
146 pragma restrict_references (DES3Decrypt, RNDS, WNDS, WNPS);
147
148 FUNCTION DES3Decrypt(input IN RAW,
149 key IN RAW,
150 which IN PLS_INTEGER DEFAULT TwoKeyMode,
151 iv IN RAW DEFAULT NULL)
152 RETURN RAW;
153 pragma restrict_references (DES3Decrypt, RNDS, WNDS, WNPS);
154
155 PROCEDURE DES3Decrypt(input_string IN VARCHAR2,
156 key_string IN VARCHAR2,
157 decrypted_string OUT VARCHAR2,
158 which IN PLS_INTEGER
159 DEFAULT TwoKeyMode,
160 iv_string IN VARCHAR2 DEFAULT NULL);
161 pragma restrict_references (DES3Decrypt, RNDS, WNDS, WNPS);
162
163 FUNCTION DES3Decrypt(input_string IN VARCHAR2,
164 key_string IN VARCHAR2,
165 which IN PLS_INTEGER DEFAULT TwoKeyMode,
166 iv_string IN VARCHAR2 DEFAULT NULL)
167 RETURN VARCHAR2;
168 pragma restrict_references (DES3Decrypt, RNDS, WNDS, WNPS);
169
170 -------------------------------- MD5 --------------------------------------
171 -- The following routines generate MD5 hashes of data.
172 -- There are two versions: one for raw data and the other for strings.
173 ---------------------------------------------------------------------------
174
175 PROCEDURE MD5(input IN RAW,
176 checksum OUT raw_checksum);
177
178 FUNCTION MD5(input IN RAW)
179 RETURN raw_checksum;
180
181 PROCEDURE MD5(input_string IN VARCHAR2,
182 checksum_string OUT varchar2_checksum);
183
184 FUNCTION MD5(input_string IN VARCHAR2)
185 RETURN varchar2_checksum;
186
187 END dbms_obfuscation_toolkit;
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