1  /*
 2   * CryptKitAsn1.cpp - ASN1 templates for FEE keys and signatures
 3   */
 4  
 5  #include "CryptKitAsn1.h"
 6  #include <security_asn1/secasn1.h>
 7  
 8  /*
 9   * Unlike RSA, DSA, and Diffie-Hellman, the integers in these
10   * objects are indeed signed.
11   */
12  #define SEC_ASN1_SIGNED  (SEC_ASN1_SIGNED_INT | SEC_ASN1_INTEGER)
13  
14  /* FEECurveParametersASN1 */
15  const SecAsn1Template FEECurveParametersASN1Template[] = {
16      { SEC_ASN1_SEQUENCE,
17  	  0, NULL, sizeof(FEECurveParametersASN1) },
18      { SEC_ASN1_INTEGER, offsetof(FEECurveParametersASN1,primeType) },
19      { SEC_ASN1_INTEGER, offsetof(FEECurveParametersASN1,curveType) },
20      { SEC_ASN1_SIGNED, offsetof(FEECurveParametersASN1,q) },
21      { SEC_ASN1_SIGNED, offsetof(FEECurveParametersASN1,k) },
22      { SEC_ASN1_SIGNED, offsetof(FEECurveParametersASN1,m) },
23      { SEC_ASN1_SIGNED, offsetof(FEECurveParametersASN1,a) },
24      { SEC_ASN1_SIGNED, offsetof(FEECurveParametersASN1,b_) },
25      { SEC_ASN1_SIGNED, offsetof(FEECurveParametersASN1,c) },
26      { SEC_ASN1_SIGNED, offsetof(FEECurveParametersASN1,x1Plus) },
27      { SEC_ASN1_SIGNED, offsetof(FEECurveParametersASN1,x1Minus) },
28      { SEC_ASN1_SIGNED, offsetof(FEECurveParametersASN1,cOrderPlus) },
29      { SEC_ASN1_SIGNED, offsetof(FEECurveParametersASN1,cOrderMinus) },
30      { SEC_ASN1_SIGNED, offsetof(FEECurveParametersASN1,x1OrderPlus) },
31      { SEC_ASN1_SIGNED, offsetof(FEECurveParametersASN1,x1OrderMinus) },
32      { SEC_ASN1_SIGNED | SEC_ASN1_OPTIONAL,
33  		offsetof(FEECurveParametersASN1,basePrime) },
34      { 0, }
35  };
36  
37  /* FEEElGamalSignatureASN1 */
38  const SecAsn1Template FEEElGamalSignatureASN1Template[] = {
39      { SEC_ASN1_SEQUENCE,
40  	  0, NULL, sizeof(FEEElGamalSignatureASN1) },
41      { SEC_ASN1_SIGNED, offsetof(FEEElGamalSignatureASN1,u) },
42      { SEC_ASN1_SIGNED, offsetof(FEEElGamalSignatureASN1,pmX) },
43      { 0, }
44  };
45  
46  /* FEEECDSASignatureASN1 */
47  const SecAsn1Template FEEECDSASignatureASN1Template[] = {
48      { SEC_ASN1_SEQUENCE,
49  	  0, NULL, sizeof(FEEECDSASignatureASN1) },
50      { SEC_ASN1_SIGNED, offsetof(FEEECDSASignatureASN1,c) },
51      { SEC_ASN1_SIGNED, offsetof(FEEECDSASignatureASN1,d) },
52      { 0, }
53  };
54  
55  /* FEEPublicKeyASN1 */
56  const SecAsn1Template FEEPublicKeyASN1Template[] = {
57      { SEC_ASN1_SEQUENCE,
58  	  0, NULL, sizeof(FEEPublicKeyASN1) },
59      { SEC_ASN1_SIGNED, offsetof(FEEPublicKeyASN1,version) },
60      { SEC_ASN1_INLINE,
61  	  offsetof(FEEPublicKeyASN1,curveParams),
62  	  FEECurveParametersASN1Template },
63      { SEC_ASN1_SIGNED, offsetof(FEEPublicKeyASN1,plusX) },
64      { SEC_ASN1_SIGNED, offsetof(FEEPublicKeyASN1,minusX) },
65      { SEC_ASN1_SIGNED | SEC_ASN1_OPTIONAL, 
66  	  offsetof(FEEPublicKeyASN1,plusY) },
67      { 0, }
68  };
69  
70  /* FEEPrivateKeyASN1 */
71  const SecAsn1Template FEEPrivateKeyASN1Template[] = {
72      { SEC_ASN1_SEQUENCE,
73  	  0, NULL, sizeof(FEEPrivateKeyASN1) },
74      { SEC_ASN1_SIGNED, offsetof(FEEPrivateKeyASN1,version) },
75      { SEC_ASN1_INLINE,
76  	  offsetof(FEEPrivateKeyASN1,curveParams),
77  	  FEECurveParametersASN1Template },
78      { SEC_ASN1_SIGNED, offsetof(FEEPrivateKeyASN1,privData) },
79      { 0, }
80  };
81  
82