Add BoringSSL to third_party .

As usual, README.md contains reproduction instructions.

It would be better to directly use the source tree under `boringssl.googlesource.com`, but for the time being, this will do.

Change-Id: I72ef030251c41eaed459c4abd93228f23223783b

1 files changed, 244 insertions, 0 deletions

diff --git a/third_party/boringssl/src/crypto/pem/pem_pk8.c b/third_party/boringssl/src/crypto/pem/pem_pk8.c
new file mode 100644
index 0000000000..0824477264
--- /dev/null
+++ b/third_party/boringssl/src/crypto/pem/pem_pk8.c
@@ -0,0 +1,244 @@
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.] */
+
+#include <openssl/pem.h>
+
+#include <openssl/buf.h>
+#include <openssl/err.h>
+#include <openssl/evp.h>
+#include <openssl/mem.h>
+#include <openssl/obj.h>
+#include <openssl/pkcs8.h>
+#include <openssl/rand.h>
+#include <openssl/x509.h>
+
+
+static int do_pk8pkey(BIO *bp, EVP_PKEY *x, int isder,
+				int nid, const EVP_CIPHER *enc,
+				char *kstr, int klen,
+				pem_password_cb *cb, void *u);
+static int do_pk8pkey_fp(FILE *bp, EVP_PKEY *x, int isder,
+				int nid, const EVP_CIPHER *enc,
+				char *kstr, int klen,
+				pem_password_cb *cb, void *u);
+
+/* These functions write a private key in PKCS#8 format: it is a "drop in"
+ * replacement for PEM_write_bio_PrivateKey() and friends. As usual if 'enc'
+ * is NULL then it uses the unencrypted private key form. The 'nid' versions
+ * uses PKCS#5 v1.5 PBE algorithms whereas the others use PKCS#5 v2.0.
+ */
+
+int PEM_write_bio_PKCS8PrivateKey_nid(BIO *bp, EVP_PKEY *x, int nid,
+				  char *kstr, int klen,
+				  pem_password_cb *cb, void *u)
+{
+	return do_pk8pkey(bp, x, 0, nid, NULL, kstr, klen, cb, u);
+}
+
+int PEM_write_bio_PKCS8PrivateKey(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc,
+				  char *kstr, int klen,
+				  pem_password_cb *cb, void *u)
+{
+	return do_pk8pkey(bp, x, 0, -1, enc, kstr, klen, cb, u);
+}
+
+int i2d_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY *x, const EVP_CIPHER *enc,
+				  char *kstr, int klen,
+				  pem_password_cb *cb, void *u)
+{
+	return do_pk8pkey(bp, x, 1, -1, enc, kstr, klen, cb, u);
+}
+
+int i2d_PKCS8PrivateKey_nid_bio(BIO *bp, EVP_PKEY *x, int nid,
+				  char *kstr, int klen,
+				  pem_password_cb *cb, void *u)
+{
+	return do_pk8pkey(bp, x, 1, nid, NULL, kstr, klen, cb, u);
+}
+
+static int do_pk8pkey(BIO *bp, EVP_PKEY *x, int isder, int nid, const EVP_CIPHER *enc,
+				  char *kstr, int klen,
+				  pem_password_cb *cb, void *u)
+{
+	X509_SIG *p8;
+	PKCS8_PRIV_KEY_INFO *p8inf;
+	char buf[PEM_BUFSIZE];
+	int ret;
+	if(!(p8inf = EVP_PKEY2PKCS8(x))) {
+		OPENSSL_PUT_ERROR(PEM, PEM_R_ERROR_CONVERTING_PRIVATE_KEY);
+		return 0;
+	}
+	if(enc || (nid != -1)) {
+		if(!kstr) {
+			klen = 0;
+			if (!cb) cb = PEM_def_callback;
+			klen = cb(buf, PEM_BUFSIZE, 1, u);
+			if(klen <= 0) {
+				OPENSSL_PUT_ERROR(PEM, PEM_R_READ_KEY);
+				PKCS8_PRIV_KEY_INFO_free(p8inf);
+				return 0;
+			}
+				
+			kstr = buf;
+		}
+		p8 = PKCS8_encrypt(nid, enc, kstr, klen, NULL, 0, 0, p8inf);
+		if(kstr == buf) OPENSSL_cleanse(buf, klen);
+		PKCS8_PRIV_KEY_INFO_free(p8inf);
+		if(isder) ret = i2d_PKCS8_bio(bp, p8);
+		else ret = PEM_write_bio_PKCS8(bp, p8);
+		X509_SIG_free(p8);
+		return ret;
+	} else {
+		if(isder) ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf);
+		else ret = PEM_write_bio_PKCS8_PRIV_KEY_INFO(bp, p8inf);
+		PKCS8_PRIV_KEY_INFO_free(p8inf);
+		return ret;
+	}
+}
+
+EVP_PKEY *d2i_PKCS8PrivateKey_bio(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, void *u)
+{
+	PKCS8_PRIV_KEY_INFO *p8inf = NULL;
+	X509_SIG *p8 = NULL;
+	int klen;
+	EVP_PKEY *ret;
+	char psbuf[PEM_BUFSIZE];
+	p8 = d2i_PKCS8_bio(bp, NULL);
+	if(!p8) return NULL;
+
+	klen = 0;
+	if (!cb) cb = PEM_def_callback;
+	klen=cb(psbuf,PEM_BUFSIZE,0,u);
+	if (klen <= 0) {
+		OPENSSL_PUT_ERROR(PEM, PEM_R_BAD_PASSWORD_READ);
+		X509_SIG_free(p8);
+		return NULL;	
+	}
+	p8inf = PKCS8_decrypt(p8, psbuf, klen);
+	X509_SIG_free(p8);
+	if(!p8inf) return NULL;
+	ret = EVP_PKCS82PKEY(p8inf);
+	PKCS8_PRIV_KEY_INFO_free(p8inf);
+	if(!ret) return NULL;
+	if(x) {
+		if(*x) EVP_PKEY_free(*x);
+		*x = ret;
+	}
+	return ret;
+}
+
+#ifndef OPENSSL_NO_FP_API
+
+int i2d_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc,
+				  char *kstr, int klen,
+				  pem_password_cb *cb, void *u)
+{
+	return do_pk8pkey_fp(fp, x, 1, -1, enc, kstr, klen, cb, u);
+}
+
+int i2d_PKCS8PrivateKey_nid_fp(FILE *fp, EVP_PKEY *x, int nid,
+				  char *kstr, int klen,
+				  pem_password_cb *cb, void *u)
+{
+	return do_pk8pkey_fp(fp, x, 1, nid, NULL, kstr, klen, cb, u);
+}
+
+int PEM_write_PKCS8PrivateKey_nid(FILE *fp, EVP_PKEY *x, int nid,
+				  char *kstr, int klen,
+				  pem_password_cb *cb, void *u)
+{
+	return do_pk8pkey_fp(fp, x, 0, nid, NULL, kstr, klen, cb, u);
+}
+
+int PEM_write_PKCS8PrivateKey(FILE *fp, EVP_PKEY *x, const EVP_CIPHER *enc,
+			      char *kstr, int klen, pem_password_cb *cb, void *u)
+{
+	return do_pk8pkey_fp(fp, x, 0, -1, enc, kstr, klen, cb, u);
+}
+
+static int do_pk8pkey_fp(FILE *fp, EVP_PKEY *x, int isder, int nid, const EVP_CIPHER *enc,
+				  char *kstr, int klen,
+				  pem_password_cb *cb, void *u)
+{
+	BIO *bp;
+	int ret;
+	if(!(bp = BIO_new_fp(fp, BIO_NOCLOSE))) {
+		OPENSSL_PUT_ERROR(PEM, ERR_R_BUF_LIB);
+                return(0);
+	}
+	ret = do_pk8pkey(bp, x, isder, nid, enc, kstr, klen, cb, u);
+	BIO_free(bp);
+	return ret;
+}
+
+EVP_PKEY *d2i_PKCS8PrivateKey_fp(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, void *u)
+{
+	BIO *bp;
+	EVP_PKEY *ret;
+	if(!(bp = BIO_new_fp(fp, BIO_NOCLOSE))) {
+		OPENSSL_PUT_ERROR(PEM, ERR_R_BUF_LIB);
+                return NULL;
+	}
+	ret = d2i_PKCS8PrivateKey_bio(bp, x, cb, u);
+	BIO_free(bp);
+	return ret;
+}
+
+#endif
+
+IMPLEMENT_PEM_rw(PKCS8, X509_SIG, PEM_STRING_PKCS8, X509_SIG)
+IMPLEMENT_PEM_rw(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO, PEM_STRING_PKCS8INF,
+							 PKCS8_PRIV_KEY_INFO)