Hash-to-curve is now RFC 9380
There don't appear to be any changes since draft-16 beyond some
copy-editing, so we can just update the comments.
https://author-tools.ietf.org/iddiff?url1=draft-irtf-cfrg-hash-to-curve-16&url2=rfc9380&difftype=--html
Change-Id: Ida48b647c146f1fb1eeb6033b8878cba880c4b9b
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/62326
Reviewed-by: Adam Langley <agl@google.com>
Auto-Submit: David Benjamin <davidben@google.com>
Commit-Queue: Adam Langley <agl@google.com>
diff --git a/include/openssl/ec.h b/include/openssl/ec.h
index f1a77b2..2d005af 100644
--- a/include/openssl/ec.h
+++ b/include/openssl/ec.h
@@ -340,24 +340,22 @@
// Hash-to-curve.
//
-// The following functions implement primitives from
-// draft-irtf-cfrg-hash-to-curve-16. The |dst| parameter in each function is the
-// domain separation tag and must be unique for each protocol and between the
-// |hash_to_curve| and |hash_to_scalar| variants. See section 3.1 of the spec
-// for additional guidance on this parameter.
+// The following functions implement primitives from RFC 9380. The |dst|
+// parameter in each function is the domain separation tag and must be unique
+// for each protocol and between the |hash_to_curve| and |hash_to_scalar|
+// variants. See section 3.1 of the spec for additional guidance on this
+// parameter.
// EC_hash_to_curve_p256_xmd_sha256_sswu hashes |msg| to a point on |group| and
// writes the result to |out|, implementing the P256_XMD:SHA-256_SSWU_RO_ suite
-// from draft-irtf-cfrg-hash-to-curve-16. It returns one on success and zero on
-// error.
+// from RFC 9380. It returns one on success and zero on error.
OPENSSL_EXPORT int EC_hash_to_curve_p256_xmd_sha256_sswu(
const EC_GROUP *group, EC_POINT *out, const uint8_t *dst, size_t dst_len,
const uint8_t *msg, size_t msg_len);
// EC_hash_to_curve_p384_xmd_sha384_sswu hashes |msg| to a point on |group| and
// writes the result to |out|, implementing the P384_XMD:SHA-384_SSWU_RO_ suite
-// from draft-irtf-cfrg-hash-to-curve-16. It returns one on success and zero on
-// error.
+// from RFC 9380. It returns one on success and zero on error.
OPENSSL_EXPORT int EC_hash_to_curve_p384_xmd_sha384_sswu(
const EC_GROUP *group, EC_POINT *out, const uint8_t *dst, size_t dst_len,
const uint8_t *msg, size_t msg_len);
