Delete bundled copy of OpenSSL and replace with README.

openssl/patches/new_channelid.patch

Index: openssl/patches/new_channelid.patch
diff --git a/openssl/patches/new_channelid.patch b/openssl/patches/new_channelid.patch
deleted file mode 100644
index 22a8fdd3bda9e588612be89bbf5985f624e69cd8..0000000000000000000000000000000000000000
--- a/openssl/patches/new_channelid.patch
+++ /dev/null
@@ -1,273 +0,0 @@
-diff --git a/include/openssl/ssl.h b/include/openssl/ssl.h
-index a3944f1..fe92ccf 100644
---- a/include/openssl/ssl.h
-+++ b/include/openssl/ssl.h
-@@ -547,6 +547,13 @@ struct ssl_session_st
- #ifndef OPENSSL_NO_SRP
- 	char *srp_username;
- #endif
-+
-+	/* original_handshake_hash contains the handshake hash (either
-+	 * SHA-1+MD5 or SHA-2, depending on TLS version) for the original, full
-+	 * handshake that created a session. This is used by Channel IDs during
-+	 * resumption. */
-+	unsigned char original_handshake_hash[EVP_MAX_MD_SIZE];
-+	unsigned int original_handshake_hash_len;
- 	};
- 
- #endif
-diff --git a/include/openssl/tls1.h b/include/openssl/tls1.h
-index c4f69aa..5559486 100644
---- a/include/openssl/tls1.h
-+++ b/include/openssl/tls1.h
-@@ -255,7 +255,7 @@ extern "C" {
- #endif
- 
- /* This is not an IANA defined extension number */
--#define TLSEXT_TYPE_channel_id			30031
-+#define TLSEXT_TYPE_channel_id			30032
- 
- /* NameType value from RFC 3546 */
- #define TLSEXT_NAMETYPE_host_name 0
-diff --git a/ssl/s3_clnt.c b/ssl/s3_clnt.c
-index 640df80..d6154c5 100644
---- a/ssl/s3_clnt.c
-+++ b/ssl/s3_clnt.c
-@@ -583,6 +583,18 @@ int ssl3_connect(SSL *s)
- #endif
- 						s->s3->tmp.next_state=SSL3_ST_CR_FINISHED_A;
- 					}
-+					if (s->s3->tlsext_channel_id_valid)
-+					{
-+					/* This is a non-resumption handshake. If it
-+					 * involves ChannelID, then record the
-+					 * handshake hashes at this point in the
-+					 * session so that any resumption of this
-+					 * session with ChannelID can sign those
-+					 * hashes. */
-+					ret = tls1_record_handshake_hashes_for_channel_id(s);
-+					if (ret <= 0)
-+						goto end;
-+					}
- 				}
- 			s->init_num=0;
- 			break;
-diff --git a/ssl/ssl.h b/ssl/ssl.h
-index a3944f1..fe92ccf 100644
---- a/ssl/ssl.h
-+++ b/ssl/ssl.h
-@@ -547,6 +547,13 @@ struct ssl_session_st
- #ifndef OPENSSL_NO_SRP
- 	char *srp_username;
- #endif
-+
-+	/* original_handshake_hash contains the handshake hash (either
-+	 * SHA-1+MD5 or SHA-2, depending on TLS version) for the original, full
-+	 * handshake that created a session. This is used by Channel IDs during
-+	 * resumption. */
-+	unsigned char original_handshake_hash[EVP_MAX_MD_SIZE];
-+	unsigned int original_handshake_hash_len;
- 	};
- 
- #endif
-diff --git a/ssl/ssl_locl.h b/ssl/ssl_locl.h
-index 531a291..c975d31 100644
---- a/ssl/ssl_locl.h
-+++ b/ssl/ssl_locl.h
-@@ -1102,6 +1102,7 @@ void ssl_free_wbio_buffer(SSL *s);
- int tls1_change_cipher_state(SSL *s, int which);
- int tls1_setup_key_block(SSL *s);
- int tls1_enc(SSL *s, int snd);
-+int tls1_handshake_digest(SSL *s, unsigned char *out, size_t out_len);
- int tls1_final_finish_mac(SSL *s,
- 	const char *str, int slen, unsigned char *p);
- int tls1_cert_verify_mac(SSL *s, int md_nid, unsigned char *p);
-@@ -1158,6 +1159,7 @@ int tls12_get_sigid(const EVP_PKEY *pk);
- const EVP_MD *tls12_get_hash(unsigned char hash_alg);
- 
- int tls1_channel_id_hash(EVP_MD_CTX *ctx, SSL *s);
-+int tls1_record_handshake_hashes_for_channel_id(SSL *s);
- #endif
- 
- int ssl3_can_cutthrough(const SSL *s);
-diff --git a/ssl/t1_enc.c b/ssl/t1_enc.c
-index 87b7021..d30ce61 100644
---- a/ssl/t1_enc.c
-+++ b/ssl/t1_enc.c
-@@ -1147,53 +1147,79 @@ int tls1_cert_verify_mac(SSL *s, int md_nid, unsigned char *out)
- 	return((int)ret);
- 	}
- 
-+/* tls1_handshake_digest calculates the current handshake hash and writes it to
-+ * |out|, which has space for |out_len| bytes. It returns the number of bytes
-+ * written or -1 in the event of an error. This function works on a copy of the
-+ * underlying digests so can be called multiple times and prior to the final
-+ * update etc. */
-+int tls1_handshake_digest(SSL *s, unsigned char *out, size_t out_len)
-+	{
-+	const EVP_MD *md;
-+	EVP_MD_CTX ctx;
-+	int i, err = 0, len = 0;
-+	long mask;
-+
-+	EVP_MD_CTX_init(&ctx);
-+
-+	for (i = 0; ssl_get_handshake_digest(i, &mask, &md); i++)
-+		{
-+		int hash_size;
-+		unsigned int digest_len;
-+		EVP_MD_CTX *hdgst = s->s3->handshake_dgst[i];
-+
-+		if ((mask & ssl_get_algorithm2(s)) == 0)
-+			continue;
-+
-+		hash_size = EVP_MD_size(md);
-+		if (!hdgst || hash_size < 0 || (size_t)hash_size > out_len)
-+			{
-+			err = 1;
-+			break;
-+			}
-+
-+		if (!EVP_MD_CTX_copy_ex(&ctx, hdgst) ||
-+		    !EVP_DigestFinal_ex(&ctx, out, &digest_len) ||
-+		    digest_len != (unsigned int)hash_size) /* internal error */
-+			{
-+			err = 1;
-+			break;
-+			}
-+		out += digest_len;
-+		out_len -= digest_len;
-+		len += digest_len;
-+		}
-+
-+	EVP_MD_CTX_cleanup(&ctx);
-+
-+	if (err != 0)
-+		return -1;
-+	return len;
-+	}
-+
- int tls1_final_finish_mac(SSL *s,
- 	     const char *str, int slen, unsigned char *out)
- 	{
--	unsigned int i;
--	EVP_MD_CTX ctx;
- 	unsigned char buf[2*EVP_MAX_MD_SIZE];
--	unsigned char *q,buf2[12];
--	int idx;
--	long mask;
-+	unsigned char buf2[12];
- 	int err=0;
--	const EVP_MD *md; 
-+	int digests_len;
- 
--	q=buf;
--
--	if (s->s3->handshake_buffer) 
-+	if (s->s3->handshake_buffer)
- 		if (!ssl3_digest_cached_records(s))
- 			return 0;
- 
--	EVP_MD_CTX_init(&ctx);
--
--	for (idx=0;ssl_get_handshake_digest(idx,&mask,&md);idx++)
-+	digests_len = tls1_handshake_digest(s, buf, sizeof(buf));
-+	if (digests_len < 0)
- 		{
--		if (mask & ssl_get_algorithm2(s))
--			{
--			int hashsize = EVP_MD_size(md);
--			if (hashsize < 0 || hashsize > (int)(sizeof buf - (size_t)(q-buf)))
--				{
--				/* internal error: 'buf' is too small for this cipersuite! */
--				err = 1;
--				}
--			else
--				{
--				EVP_MD_CTX_copy_ex(&ctx,s->s3->handshake_dgst[idx]);
--				EVP_DigestFinal_ex(&ctx,q,&i);
--				if (i != (unsigned int)hashsize) /* can't really happen */
--					err = 1;
--				q+=i;
--				}
--			}
-+		err = 1;
-+		digests_len = 0;
- 		}
--		
-+
- 	if (!tls1_PRF(ssl_get_algorithm2(s),
--			str,slen, buf,(int)(q-buf), NULL,0, NULL,0, NULL,0,
-+			str,slen, buf, digests_len, NULL,0, NULL,0, NULL,0,
- 			s->session->master_key,s->session->master_key_length,
- 			out,buf2,sizeof buf2))
- 		err = 1;
--	EVP_MD_CTX_cleanup(&ctx);
- 
- 	if (err)
- 		return 0;
-diff --git a/ssl/t1_lib.c b/ssl/t1_lib.c
-index ea7fefa..d7ea9a5 100644
---- a/ssl/t1_lib.c
-+++ b/ssl/t1_lib.c
-@@ -2684,6 +2684,17 @@ tls1_channel_id_hash(EVP_MD_CTX *md, SSL *s)
- 
- 	EVP_DigestUpdate(md, kClientIDMagic, sizeof(kClientIDMagic));
- 
-+	if (s->hit)
-+		{
-+		static const char kResumptionMagic[] = "Resumption";
-+		EVP_DigestUpdate(md, kResumptionMagic,
-+				 sizeof(kResumptionMagic));
-+		if (s->session->original_handshake_hash_len == 0)
-+			return 0;
-+		EVP_DigestUpdate(md, s->session->original_handshake_hash,
-+				 s->session->original_handshake_hash_len);
-+		}
-+
- 	EVP_MD_CTX_init(&ctx);
- 	for (i = 0; i < SSL_MAX_DIGEST; i++)
- 		{
-@@ -2698,3 +2709,29 @@ tls1_channel_id_hash(EVP_MD_CTX *md, SSL *s)
- 	return 1;
- 	}
- #endif
-+
-+/* tls1_record_handshake_hashes_for_channel_id records the current handshake
-+ * hashes in |s->session| so that Channel ID resumptions can sign that data. */
-+int tls1_record_handshake_hashes_for_channel_id(SSL *s)
-+	{
-+	int digest_len;
-+	/* This function should never be called for a resumed session because
-+	 * the handshake hashes that we wish to record are for the original,
-+	 * full handshake. */
-+	if (s->hit)
-+		return -1;
-+	/* It only makes sense to call this function if Channel IDs have been
-+	 * negotiated. */
-+	if (!s->s3->tlsext_channel_id_valid)
-+		return -1;
-+
-+	digest_len = tls1_handshake_digest(
-+		s, s->session->original_handshake_hash,
-+		sizeof(s->session->original_handshake_hash));
-+	if (digest_len < 0)
-+		return -1;
-+
-+	s->session->original_handshake_hash_len = digest_len;
-+
-+	return 1;
-+	}
-diff --git a/ssl/tls1.h b/ssl/tls1.h
-index c4f69aa..5559486 100644
---- a/ssl/tls1.h
-+++ b/ssl/tls1.h
-@@ -255,7 +255,7 @@ extern "C" {
- #endif
- 
- /* This is not an IANA defined extension number */
--#define TLSEXT_TYPE_channel_id			30031
-+#define TLSEXT_TYPE_channel_id			30032
- 
- /* NameType value from RFC 3546 */
- #define TLSEXT_NAMETYPE_host_name 0