Add support for Poly1305 in EVP_PKEY

[thirdparty/openssl.git] / crypto / evp / p_lib.c

diff --git a/crypto/evp/p_lib.c b/crypto/evp/p_lib.c
index 234d05f270f5821526c1c162e917d6f497e0afd0..047e8326374f961c16b3e025339e00a04b9aea48 100644 (file)
--- a/crypto/evp/p_lib.c
+++ b/crypto/evp/p_lib.c
@@ -249,6 +249,20 @@ const unsigned char *EVP_PKEY_get0_hmac(const EVP_PKEY *pkey, size_t *len)
     return os->data;
 }
 
+#ifndef OPENSSL_NO_POLY1305
+const unsigned char *EVP_PKEY_get0_poly1305(const EVP_PKEY *pkey, size_t *len)
+{
+    ASN1_OCTET_STRING *os = NULL;
+    if (pkey->type != EVP_PKEY_POLY1305) {
+        EVPerr(EVP_F_EVP_PKEY_GET0_POLY1305, EVP_R_EXPECTING_A_POLY1305_KEY);
+        return NULL;
+    }
+    os = EVP_PKEY_get0(pkey);
+    *len = os->length;
+    return os->data;
+}
+#endif
+
 #ifndef OPENSSL_NO_RSA
 int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, RSA *key)
 {