Last arg to EVP_PKEY_assign() should be void *.

crypto/evp/evp.h

@@ -776,7 +776,7 @@ int		EVP_PKEY_encrypt(unsigned char *enc_key,
 int		EVP_PKEY_type(int type);
 int		EVP_PKEY_bits(EVP_PKEY *pkey);
 int		EVP_PKEY_size(EVP_PKEY *pkey);
-int 		EVP_PKEY_assign(EVP_PKEY *pkey,int type,char *key);
+int 		EVP_PKEY_assign(EVP_PKEY *pkey,int type,void *key);
 void *		EVP_PKEY_get0(EVP_PKEY *pkey);
 
 #ifndef OPENSSL_NO_RSA

crypto/evp/p_lib.c

@@ -185,7 +185,7 @@ EVP_PKEY *EVP_PKEY_new(void)
 	return(ret);
 	}
 
-int EVP_PKEY_assign(EVP_PKEY *pkey, int type, char *key)
+int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key)
 	{
 	const EVP_PKEY_ASN1_METHOD *ameth;
 	if (pkey == NULL) return(0);