Update citations to RFC 8410.

Confirmed the section numbers and sample key still match.

Change-Id: I6901154a54972a18e8a582a25d902c4fe760a0fc
Reviewed-on: https://boringssl-review.googlesource.com/30464
Commit-Queue: Steven Valdez <svaldez@google.com>
Reviewed-by: Steven Valdez <svaldez@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>

crypto/evp/evp_tests.txt

diff --git a/crypto/evp/evp_tests.txt b/crypto/evp/evp_tests.txt
index 80d4833..ff08ee7 100644
--- a/crypto/evp/evp_tests.txt
+++ b/crypto/evp/evp_tests.txt
@@ -140,12 +140,12 @@
 Input = 302c300706032b65700500032100d75a980182b10ab7d54bfed3c964073a0ee172f3daa62325af021a68f707511a
 Error = DECODE_ERROR
 
-# Sample public key from draft-ietf-curdle-pkix-04.
+# Sample public key from RFC 8410.
 PublicKey = Ed25519-SPKI-Spec
 Type = Ed25519
 Input = 302a300506032b657003210019bf44096984cdfe8541bac167dc3b96c85086aa30b6b6cb0c5c38ad703166e1
 
-# Sample private key from draft-ietf-curdle-pkix-04.
+# Sample private key from RFC 8410.
 PrivateKey = Ed25519-Spec
 Type = Ed25519
 Input = 302e020100300506032b657004220420d4ee72dbf913584ad5b6d8f1f769f8ad3afe7c28cbf1d4fbe097a88f44755842

crypto/evp/p_ed25519_asn1.c

diff --git a/crypto/evp/p_ed25519_asn1.c b/crypto/evp/p_ed25519_asn1.c
index 65b4112..ba08c6d 100644
--- a/crypto/evp/p_ed25519_asn1.c
+++ b/crypto/evp/p_ed25519_asn1.c
@@ -57,7 +57,7 @@
 }
 
 static int ed25519_pub_decode(EVP_PKEY *out, CBS *params, CBS *key) {
-  // See draft-ietf-curdle-pkix-04, section 4.
+  // See RFC 8410, section 4.
 
   // The parameters must be omitted. Public keys have length 32.
   if (CBS_len(params) != 0 ||
@@ -72,7 +72,7 @@
 static int ed25519_pub_encode(CBB *out, const EVP_PKEY *pkey) {
   const ED25519_KEY *key = pkey->pkey.ptr;
 
-  // See draft-ietf-curdle-pkix-04, section 4.
+  // See RFC 8410, section 4.
   CBB spki, algorithm, oid, key_bitstring;
   if (!CBB_add_asn1(out, &spki, CBS_ASN1_SEQUENCE) ||
       !CBB_add_asn1(&spki, &algorithm, CBS_ASN1_SEQUENCE) ||
@@ -96,7 +96,7 @@
 }
 
 static int ed25519_priv_decode(EVP_PKEY *out, CBS *params, CBS *key) {
-  // See draft-ietf-curdle-pkix-04, section 7.
+  // See RFC 8410, section 7.
 
   // Parameters must be empty. The key is a 32-byte value wrapped in an extra
   // OCTET STRING layer.
@@ -123,7 +123,7 @@
     return 0;
   }
 
-  // See draft-ietf-curdle-pkix-04, section 7.
+  // See RFC 8410, section 7.
   CBB pkcs8, algorithm, oid, private_key, inner;
   if (!CBB_add_asn1(out, &pkcs8, CBS_ASN1_SEQUENCE) ||
       !CBB_add_asn1_uint64(&pkcs8, 0 /* version */) ||

crypto/obj/objects.txt

diff --git a/crypto/obj/objects.txt b/crypto/obj/objects.txt
index f1a6395..0c48e3c 100644
--- a/crypto/obj/objects.txt
+++ b/crypto/obj/objects.txt
@@ -1334,7 +1334,7 @@
 # NID for X25519 (no corresponding OID).
  : X25519
 
-# See draft-ietf-curdle-pkix-04.
+# See RFC 8410.
 1 3 101 112 : ED25519
 
  : ChaCha20-Poly1305 : chacha20-poly1305