Constify d2i, s2i, c2i and r2i functions and other associated
[openssl.git] / crypto / asn1 / d2i_pr.c
index 2e7d96af904adcfee5ee2cdb14fbd4154812d8bd..5f3058514289bd8add6c43566cf7c955bb2274dc 100644 (file)
 #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;
@@ -107,6 +110,16 @@ EVP_PKEY *d2i_PrivateKey(int type, EVP_PKEY **a, unsigned char **pp,
                        goto err;
                        }
                break;
+#endif
+#ifndef OPENSSL_NO_EC
+       case EVP_PKEY_EC:
+               if ((ret->pkey.eckey = 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);
@@ -122,11 +135,11 @@ 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):
@@ -138,7 +151,10 @@ 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);