Added teh OID for ECDSA with SHA1.
In practice this is rare because the BR requires ECDSA signatures to use SHA256+ (or maybe the requirements for SHA256 just came at the same time as ECDSA, idk)
diff --git a/docs/x509.rst b/docs/x509.rst
index 1e4efb4..b8e3c8e 100644
--- a/docs/x509.rst
+++ b/docs/x509.rst
@@ -1267,6 +1267,11 @@
Corresponds to the dotted string ``"1.2.840.113549.1.1.13"``. This is
a SHA512 digest signed by an RSA key.
+.. data:: OID_ECDSA_WITH_SHA1
+
+ Corresponds to the dotted string ``"1.2.840.10045.4.1"``. This is a SHA1
+ digest signed by an ECDSA key.
+
.. data:: OID_ECDSA_WITH_SHA224
Corresponds to the dotted string ``"1.2.840.10045.4.3.1"``. This is