Fix comments that refer to old draft of HPKE.

Bug: 275
Change-Id: I4879459fceade79a0d646cb394f42af55e12236d
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/45144
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>

crypto/hpke/hpke.c

@@ -27,7 +27,7 @@
 #include "internal.h"
 
 
-// This file implements draft-irtf-cfrg-hpke-05.
+// This file implements draft-irtf-cfrg-hpke-07.
 
 #define KEM_CONTEXT_LEN (2 * X25519_PUBLIC_VALUE_LEN)
 

crypto/hpke/internal.h

@@ -31,7 +31,7 @@ extern "C" {
 // receiver with a public key. Optionally, the sender may authenticate its
 // possession of a pre-shared key to the recipient.
 //
-// See https://tools.ietf.org/html/draft-irtf-cfrg-hpke-05.
+// See https://tools.ietf.org/html/draft-irtf-cfrg-hpke-07.
 
 // EVP_HPKE_AEAD_* are AEAD identifiers.
 #define EVP_HPKE_AEAD_AES_GCM_128 0x0001

ssl/test/runner/hpke/hpke.go

@@ -14,7 +14,7 @@
 
 // Package hpke implements Hybrid Public Key Encryption (HPKE).
 //
-// See https://tools.ietf.org/html/draft-irtf-cfrg-hpke-05.
+// See https://tools.ietf.org/html/draft-irtf-cfrg-hpke-07.
 package hpke
 
 import (