Transfer parameter handling and key comparison to algorithm methods.
[openssl.git] / crypto / asn1 / d2i_pr.c
index 6c3096d6ff574c5d2ebe99df870a40711f85ecc0..512d11d6f6d56ffbd710466acca466e8c665a69f 100644 (file)
 #include <openssl/evp.h>
 #include <openssl/objects.h>
 #include <openssl/asn1.h>
+#ifndef OPENSSL_NO_RSA
+#include <openssl/rsa.h>
+#endif
+#ifndef OPENSSL_NO_DSA
+#include <openssl/dsa.h>
+#endif
+#ifndef OPENSSL_NO_EC
+#include <openssl/ec.h>
+#endif
 
-EVP_PKEY *d2i_PrivateKey(int type, EVP_PKEY **a, unsigned char **pp,
+EVP_PKEY *d2i_PrivateKey(int type, EVP_PKEY **a, const unsigned char **pp,
             long length)
        {
        EVP_PKEY *ret;
@@ -80,9 +89,10 @@ EVP_PKEY *d2i_PrivateKey(int type, EVP_PKEY **a, unsigned char **pp,
 
        ret->save_type=type;
        ret->type=EVP_PKEY_type(type);
+       ret->ameth = EVP_PKEY_ASN1_find(type);
        switch (ret->type)
                {
-#ifndef NO_RSA
+#ifndef OPENSSL_NO_RSA
        case EVP_PKEY_RSA:
                if ((ret->pkey.rsa=d2i_RSAPrivateKey(NULL,
                        (const unsigned char **)pp,length)) == NULL) /* TMP UGLY CAST */
@@ -92,14 +102,25 @@ EVP_PKEY *d2i_PrivateKey(int type, EVP_PKEY **a, unsigned char **pp,
                        }
                break;
 #endif
-#ifndef NO_DSA
+#ifndef OPENSSL_NO_DSA
        case EVP_PKEY_DSA:
-               if ((ret->pkey.dsa=d2i_DSAPrivateKey(NULL,pp,length)) == NULL)
+               if ((ret->pkey.dsa=d2i_DSAPrivateKey(NULL,
+                       (const unsigned char **)pp,length)) == NULL) /* TMP UGLY CAST */
                        {
                        ASN1err(ASN1_F_D2I_PRIVATEKEY,ERR_R_ASN1_LIB);
                        goto err;
                        }
                break;
+#endif
+#ifndef OPENSSL_NO_EC
+       case EVP_PKEY_EC:
+               if ((ret->pkey.ec = d2i_ECPrivateKey(NULL, 
+                       (const unsigned char **)pp, length)) == NULL)
+                       {
+                       ASN1err(ASN1_F_D2I_PRIVATEKEY, ERR_R_ASN1_LIB);
+                       goto err;
+                       }
+               break;
 #endif
        default:
                ASN1err(ASN1_F_D2I_PRIVATEKEY,ASN1_R_UNKNOWN_PUBLIC_KEY_TYPE);
@@ -115,11 +136,11 @@ err:
 
 /* This works like d2i_PrivateKey() except it automatically works out the type */
 
-EVP_PKEY *d2i_AutoPrivateKey(EVP_PKEY **a, unsigned char **pp,
+EVP_PKEY *d2i_AutoPrivateKey(EVP_PKEY **a, const unsigned char **pp,
             long length)
 {
        STACK_OF(ASN1_TYPE) *inkey;
-       unsigned char *p;
+       const unsigned char *p;
        int keytype;
        p = *pp;
        /* Dirty trick: read in the ASN1 data into a STACK_OF(ASN1_TYPE):
@@ -131,7 +152,10 @@ EVP_PKEY *d2i_AutoPrivateKey(EVP_PKEY **a, unsigned char **pp,
        /* Since we only need to discern "traditional format" RSA and DSA
         * keys we can just count the elements.
          */
-       if(sk_ASN1_TYPE_num(inkey) == 6) keytype = EVP_PKEY_DSA;
+       if(sk_ASN1_TYPE_num(inkey) == 6) 
+               keytype = EVP_PKEY_DSA;
+       else if (sk_ASN1_TYPE_num(inkey) == 4)
+               keytype = EVP_PKEY_EC;
        else keytype = EVP_PKEY_RSA;
        sk_ASN1_TYPE_pop_free(inkey, ASN1_TYPE_free);
        return d2i_PrivateKey(keytype, a, pp, length);