Initial commit of BoringSSL for Android.

1 files changed, 280 insertions, 0 deletions

diff --git a/src/include/openssl/ec_key.h b/src/include/openssl/ec_key.h
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+/* Originally written by Bodo Moeller for the OpenSSL project.
+ * ====================================================================
+ * Copyright (c) 1998-2005 The OpenSSL Project.  All rights reserved.
+ *
+ * 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 above 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 acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED 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 OpenSSL PROJECT OR
+ * ITS 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.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+/* ====================================================================
+ * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
+ *
+ * Portions of the attached software ("Contribution") are developed by
+ * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project.
+ *
+ * The Contribution is licensed pursuant to the OpenSSL open source
+ * license provided above.
+ *
+ * The elliptic curve binary polynomial software is originally written by
+ * Sheueling Chang Shantz and Douglas Stebila of Sun Microsystems
+ * Laboratories. */
+
+#ifndef OPENSSL_HEADER_EC_KEY_H
+#define OPENSSL_HEADER_EC_KEY_H
+
+#include <openssl/base.h>
+
+#include <openssl/ec.h>
+#include <openssl/engine.h>
+#include <openssl/ex_data.h>
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+
+/* ec_key.h conatins functions that handle elliptic-curve points that are
+ * public/private keys. */
+
+
+/* EC key objects. */
+
+/* EC_KEY_new returns a fresh |EC_KEY| object or NULL on error. */
+OPENSSL_EXPORT EC_KEY *EC_KEY_new(void);
+
+/* EC_KEY_new_method acts the same as |EC_KEY_new|, but takes an explicit
+ * |ENGINE|. */
+OPENSSL_EXPORT EC_KEY *EC_KEY_new_method(const ENGINE *engine);
+
+/* EC_KEY_new_by_curve_name returns a fresh EC_KEY for group specified by |nid|
+ * or NULL on error. */
+OPENSSL_EXPORT EC_KEY *EC_KEY_new_by_curve_name(int nid);
+
+/* EC_KEY_free frees all the data owned by |key| and |key| itself. */
+OPENSSL_EXPORT void EC_KEY_free(EC_KEY *key);
+
+/* EC_KEY_copy sets |dst| equal to |src| and returns |dst| or NULL on error. */
+OPENSSL_EXPORT EC_KEY *EC_KEY_copy(EC_KEY *dst, const EC_KEY *src);
+
+/* EC_KEY_dup returns a fresh copy of |src| or NULL on error. */
+OPENSSL_EXPORT EC_KEY *EC_KEY_dup(const EC_KEY *src);
+
+/* EC_KEY_up_ref increases the reference count of |key|. It returns one on
+ * success and zero otherwise. */
+OPENSSL_EXPORT int EC_KEY_up_ref(EC_KEY *key);
+
+/* EC_KEY_is_opaque returns one if |key| is opaque and doesn't expose its key
+ * material. Otherwise it return zero. */
+OPENSSL_EXPORT int EC_KEY_is_opaque(const EC_KEY *key);
+
+/* EC_KEY_get0_group returns a pointer to the |EC_GROUP| object inside |key|. */
+OPENSSL_EXPORT const EC_GROUP *EC_KEY_get0_group(const EC_KEY *key);
+
+/* EC_KEY_set_group sets the |EC_GROUP| object that |key| will use to |group|.
+ * It returns one on success and zero otherwise. */
+OPENSSL_EXPORT int EC_KEY_set_group(EC_KEY *key, const EC_GROUP *group);
+
+/* EC_KEY_get0_private_key returns a pointer to the private key inside |key|. */
+OPENSSL_EXPORT const BIGNUM *EC_KEY_get0_private_key(const EC_KEY *key);
+
+/* EC_KEY_set_private_key sets the private key of |key| to |priv|. It returns
+ * one on success and zero otherwise. */
+OPENSSL_EXPORT int EC_KEY_set_private_key(EC_KEY *key, const BIGNUM *prv);
+
+/* EC_KEY_get0_public_key returns a pointer to the public key point inside
+ * |key|. */
+OPENSSL_EXPORT const EC_POINT *EC_KEY_get0_public_key(const EC_KEY *key);
+
+/* EC_KEY_set_public_key sets the public key of |key| to |pub|, by copying it.
+ * It returns one on success and zero otherwise. */
+OPENSSL_EXPORT int EC_KEY_set_public_key(EC_KEY *key, const EC_POINT *pub);
+
+#define EC_PKEY_NO_PARAMETERS 0x001
+#define EC_PKEY_NO_PUBKEY 0x002
+
+/* EC_KEY_get_enc_flags returns the encoding flags for |key|, which is a
+ * bitwise-OR of |EC_PKEY_*| values. */
+OPENSSL_EXPORT unsigned EC_KEY_get_enc_flags(const EC_KEY *key);
+
+/* EC_KEY_set_enc_flags sets the encoding flags for |key|, which is a
+ * bitwise-OR of |EC_PKEY_*| values. */
+OPENSSL_EXPORT void EC_KEY_set_enc_flags(EC_KEY *key, unsigned flags);
+
+/* EC_KEY_get_conv_form returns the conversation form that will be used by
+ * |key|. */
+OPENSSL_EXPORT point_conversion_form_t EC_KEY_get_conv_form(const EC_KEY *key);
+
+/* EC_KEY_set_conv_form sets the conversion form to be used by |key|. */
+OPENSSL_EXPORT void EC_KEY_set_conv_form(EC_KEY *key,
+                                         point_conversion_form_t cform);
+
+/* EC_KEY_precompute_mult precomputes multiplies of the generator of the
+ * underlying group in order to speed up operations that calculate generator
+ * multiples. If |ctx| is not NULL, it may be used. It returns one on success
+ * and zero otherwise. */
+OPENSSL_EXPORT int EC_KEY_precompute_mult(EC_KEY *key, BN_CTX *ctx);
+
+/* EC_KEY_check_key performs several checks on |key| (possibly including an
+ * expensive check that the public key is in the primary subgroup). It returns
+ * one if all checks pass and zero otherwise. If it returns zero then detail
+ * about the problem can be found on the error stack. */
+OPENSSL_EXPORT int EC_KEY_check_key(const EC_KEY *key);
+
+/* EC_KEY_set_public_key_affine_coordinates sets the public key in |key| to
+ * (|x|, |y|). It returns one on success and zero otherwise. */
+OPENSSL_EXPORT int EC_KEY_set_public_key_affine_coordinates(EC_KEY *key,
+                                                            BIGNUM *x,
+                                                            BIGNUM *y);
+
+
+/* Key generation. */
+
+/* EC_KEY_generate_key generates a random, private key, calculates the
+ * corresponding public key and stores both in |key|. It returns one on success
+ * or zero otherwise. */
+OPENSSL_EXPORT int EC_KEY_generate_key(EC_KEY *key);
+
+
+/* Serialisation. */
+
+/* d2i_ECPrivateKey parses an ASN.1, DER-encoded, private key from |len| bytes
+ * at |*inp|. If |out_key| is not NULL then, on exit, a pointer to the result
+ * is in |*out_key|. If |*out_key| is already non-NULL on entry then the result
+ * is written directly into |*out_key|, otherwise a fresh |EC_KEY| is
+ * allocated. On successful exit, |*inp| is advanced past the DER structure. It
+ * returns the result or NULL on error. */
+OPENSSL_EXPORT EC_KEY *d2i_ECPrivateKey(EC_KEY **out_key, const uint8_t **inp,
+                                        long len);
+
+/* i2d_ECParameters marshals an EC private key from |key| to an ASN.1, DER
+ * structure. If |outp| is not NULL then the result is written to |*outp| and
+ * |*outp| is advanced just past the output. It returns the number of bytes in
+ * the result, whether written or not, or a negative value on error. */
+OPENSSL_EXPORT int i2d_ECPrivateKey(const EC_KEY *key, uint8_t **outp);
+
+/* d2i_ECParameters parses an ASN.1, DER-encoded, set of EC parameters from
+ * |len| bytes at |*inp|. If |out_key| is not NULL then, on exit, a pointer to
+ * the result is in |*out_key|. If |*out_key| is already non-NULL on entry then
+ * the result is written directly into |*out_key|, otherwise a fresh |EC_KEY|
+ * is allocated. On successful exit, |*inp| is advanced past the DER structure.
+ * It returns the result or NULL on error. */
+OPENSSL_EXPORT EC_KEY *d2i_ECParameters(EC_KEY **out_key, const uint8_t **inp,
+                                        long len);
+
+/* i2d_ECParameters marshals EC parameters from |key| to an ASN.1, DER
+ * structure. If |outp| is not NULL then the result is written to |*outp| and
+ * |*outp| is advanced just past the output. It returns the number of bytes in
+ * the result, whether written or not, or a negative value on error. */
+OPENSSL_EXPORT int i2d_ECParameters(const EC_KEY *key, uint8_t **outp);
+
+/* o2i_ECPublicKey parses an EC point from |len| bytes at |*inp| into
+ * |*out_key|. Note that this differs from the d2i format in that |*out_key|
+ * must be non-NULL. On successful exit, |*inp| is advanced past the DER
+ * structure. It returns |*out_key| or NULL on error. */
+OPENSSL_EXPORT EC_KEY *o2i_ECPublicKey(EC_KEY **out_key, const uint8_t **inp,
+                                       long len);
+
+/* i2o_ECPublicKey marshals an EC point from |key|. If |outp| is not NULL then
+ * the result is written to |*outp| and |*outp| is advanced just past the
+ * output. It returns the number of bytes in the result, whether written or
+ * not, or a negative value on error. */
+OPENSSL_EXPORT int i2o_ECPublicKey(const EC_KEY *key, unsigned char **outp);
+
+
+/* ex_data functions.
+ *
+ * These functions are wrappers. See |ex_data.h| for details. */
+
+OPENSSL_EXPORT int EC_KEY_get_ex_new_index(long argl, void *argp,
+                                           CRYPTO_EX_new *new_func,
+                                           CRYPTO_EX_dup *dup_func,
+                                           CRYPTO_EX_free *free_func);
+OPENSSL_EXPORT int EC_KEY_set_ex_data(EC_KEY *r, int idx, void *arg);
+OPENSSL_EXPORT void *EC_KEY_get_ex_data(const EC_KEY *r, int idx);
+
+
+/* ECDSA method. */
+
+/* ECDSA_FLAG_OPAQUE specifies that this ECDSA_METHOD does not expose its key
+ * material. This may be set if, for instance, it is wrapping some other crypto
+ * API, like a platform key store. */
+#define ECDSA_FLAG_OPAQUE 1
+
+/* ecdsa_method_st is a structure of function pointers for implementing ECDSA.
+ * See engine.h. */
+struct ecdsa_method_st {
+  struct openssl_method_common_st common;
+
+  void *app_data;
+
+  int (*init)(EC_KEY *key);
+  int (*finish)(EC_KEY *key);
+
+  /* group_order_size returns the number of bytes needed to represent the order
+   * of the group. This is used to calculate the maximum size of an ECDSA
+   * signature in |ECDSA_size|. */
+  size_t (*group_order_size)(const EC_KEY *key);
+
+  /* sign matches the arguments and behaviour of |ECDSA_sign|. */
+  int (*sign)(const uint8_t *digest, size_t digest_len, uint8_t *sig,
+              unsigned int *sig_len, EC_KEY *eckey);
+
+  /* verify matches the arguments and behaviour of |ECDSA_verify|. */
+  int (*verify)(const uint8_t *digest, size_t digest_len, const uint8_t *sig,
+                size_t sig_len, EC_KEY *eckey);
+
+  int flags;
+};
+
+
+#if defined(__cplusplus)
+}  /* extern C */
+#endif
+
+#endif  /* OPENSSL_HEADER_EC_KEY_H */