Merge pull request #616 from reaperhulk/openssl-you-spin-me-right-round

More EVP_PKEY related shenanigans
diff --git a/cryptography/hazmat/bindings/openssl/evp.py b/cryptography/hazmat/bindings/openssl/evp.py
index a883084..9cd316f 100644
--- a/cryptography/hazmat/bindings/openssl/evp.py
+++ b/cryptography/hazmat/bindings/openssl/evp.py
@@ -101,6 +101,9 @@
 
 int PKCS5_PBKDF2_HMAC_SHA1(const char *, int, const unsigned char *, int, int,
                            int, unsigned char *);
+
+int EVP_PKEY_set1_RSA(EVP_PKEY *, struct rsa_st *);
+int EVP_PKEY_set1_DSA(EVP_PKEY *, struct dsa_st *);
 """
 
 MACROS = """
@@ -113,7 +116,7 @@
 int PKCS5_PBKDF2_HMAC(const char *, int, const unsigned char *, int, int,
                       const EVP_MD *, int, unsigned char *);
 
-int EVP_PKEY_CTX_set_signature_md(EVP_PKEY_CTX *, EVP_MD_CTX *);
+int EVP_PKEY_CTX_set_signature_md(EVP_PKEY_CTX *, const EVP_MD *);
 
 // not macros but must be in this section since they're not available in 0.9.8
 EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *, ENGINE *);