OSX/libsecurity_cryptkit/lib/CryptKitAsn1.cpp

   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