ECDSA support

Submitted by: Nils Larsch <nla@trustcenter.de>

1 files changed, 266 insertions, 0 deletions

diff --git a/crypto/ecdsa/ecdsa.h b/crypto/ecdsa/ecdsa.h
new file mode 100644
index 0000000000..ca1ca64aac
--- /dev/null
+++ b/crypto/ecdsa/ecdsa.h
@@ -0,0 +1,266 @@
+/* crypto/ecdsa/ecdsa.h */
+/* ====================================================================
+ * Copyright (c) 2000-2002 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
+ *    licensing@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).
+ *
+ */
+#ifndef HEADER_ECDSA_H
+#define HEADER_ECDSA_H
+
+#ifdef OPENSSL_NO_ECDSA
+#error ECDSA is disabled.
+#endif
+
+#ifndef OPENSSL_NO_BIO
+#include <openssl/bio.h>
+#endif
+#include <openssl/bn.h>
+#include <openssl/ec.h>
+#include <openssl/crypto.h>
+#include <openssl/ossl_typ.h>
+#include <openssl/asn1.h>
+#include <openssl/asn1t.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct ecdsa_st ECDSA;
+
+typedef struct ECDSA_SIG_st
+{
+	BIGNUM *r;
+	BIGNUM *s;
+} ECDSA_SIG;
+
+typedef struct ecdsa_method 
+{
+	const char *name;
+	ECDSA_SIG *(*ecdsa_do_sign)(const unsigned char *dgst, int dgst_len, ECDSA *ecdsa);
+	int (*ecdsa_sign_setup)(ECDSA *ecdsa, BN_CTX *ctx, BIGNUM **kinv, BIGNUM **r);
+	int (*ecdsa_do_verify)(const unsigned char *dgst, int dgst_len, ECDSA_SIG *sig, ECDSA *ecdsa);
+	int (*init)(ECDSA *ecdsa);
+	int (*finish)(ECDSA *ecdsa);
+	int flags;
+	char *app_data;
+} ECDSA_METHOD;
+
+#define ECDSA_FLAG_NAMED_CURVE	1
+#define ECDSA_FLAG_IMPLICITLYCA	2
+
+struct ecdsa_st
+{
+	int version;
+	int write_params;
+
+	EC_GROUP *group;
+
+	EC_POINT *pub_key;
+	BIGNUM	 *priv_key;
+
+	BIGNUM	 *kinv; /* signing pre-calc */
+	BIGNUM	 *r;	/* signing pre-calc */
+
+	unsigned char *seed;	/* seed for curve generation */
+	unsigned int  seed_len; 
+
+	int	parameter_flags;
+
+	int 	references;
+	int	flags;
+	CRYPTO_EX_DATA ex_data;
+	const ECDSA_METHOD *meth;
+	struct engine_st *engine;
+};
+
+ECDSA_SIG *ECDSA_SIG_new(void);
+void	  ECDSA_SIG_free(ECDSA_SIG *a);
+int	  i2d_ECDSA_SIG(const ECDSA_SIG *a, unsigned char **pp);
+ECDSA_SIG *d2i_ECDSA_SIG(ECDSA_SIG **v, const unsigned char **pp, long length);
+
+ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst, const int dgst_len, ECDSA *ecdsa);
+int	  ECDSA_do_verify(const unsigned char *dgst, const int dgst_len, ECDSA_SIG *sig, ECDSA* ecdsa);
+int 	  ECDSA_generate_key(ECDSA *ecdsa);
+int	  ECDSA_check_key(ECDSA *ecdsa);
+
+const ECDSA_METHOD *ECDSA_OpenSSL(void);
+
+void	  ECDSA_set_default_method(const ECDSA_METHOD *);
+const ECDSA_METHOD *ECDSA_get_default_openssl_method(void);
+int 	  ECDSA_set_method(ECDSA *, const ECDSA_METHOD *);
+
+ECDSA	  *ECDSA_new();
+ECDSA	  *ECDSA_new_method(ENGINE *engine);
+int	  ECDSA_size(const ECDSA *);
+int 	  ECDSA_sign_setup(ECDSA *ecdsa, BN_CTX *ctx, BIGNUM **kinv, BIGNUM **rp);
+int	  ECDSA_sign(int type, const unsigned char *dgst, int dgst_len, unsigned char *sig, 
+		     unsigned int *siglen, ECDSA *ecdsa);
+int 	  ECDSA_verify(int type, const unsigned char *dgst, int dgst_len, const unsigned char *sig,
+		       const int sig_len, ECDSA *ecdsa);
+int	  ECDSA_up_ref(ECDSA *ecdsa);
+void	  ECDSA_free(ECDSA *a);
+int 	  ECDSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
+	     			 CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
+int 	  ECDSA_set_ex_data(ECDSA *d, int idx, void *arg);
+void 	  *ECDSA_get_ex_data(ECDSA *d, int idx);
+
+#ifndef OPENSSL_NO_BIO
+int	ECDSAParameters_print(BIO *bp, const ECDSA *x);
+int	ECDSA_print(BIO *bp, const ECDSA *x, int off);
+#endif
+#ifndef OPENSSL_NO_FP_API
+int	ECDSAParameters_print_fp(FILE *fp, const ECDSA *x);
+int	ECDSA_print_fp(FILE *fp, const ECDSA *x, int off);
+#endif 
+
+void 	ECDSA_set_parameter_flags(ECDSA *, int);
+int	ECDSA_get_parameter_flags(const ECDSA*);
+
+/* the basic de- and encode functions ( see ecs_asn1.c ) */
+ECDSA   *d2i_ECDSAParameters(ECDSA **a, const unsigned char **in, long len);
+int     i2d_ECDSAParameters(ECDSA *a, unsigned char **out);
+
+ECDSA   *d2i_ECDSAPrivateKey(ECDSA **a, const unsigned char **in, long len);
+int     i2d_ECDSAPrivateKey(ECDSA *a, unsigned char **out);
+
+ECDSA   *d2i_ECDSAPublicKey(ECDSA **a, const unsigned char **in, long len);
+int     i2d_ECDSAPublicKey(ECDSA *a, unsigned char **out);
+
+
+#define ECDSAParameters_dup(x) (ECDSA *)ASN1_dup((int (*)())i2d_ECDSAParameters, \
+		(char *(*)())d2i_ECDSAParameters,(char *)(x))
+#define d2i_ECDSAParameters_fp(fp,x) (ECDSA *)ASN1_d2i_fp((char *(*)())ECDSA_new, \
+		(char *(*)())d2i_ECDSAParameters,(fp),(unsigned char **)(x))
+#define i2d_ECDSAParameters_fp(fp,x) ASN1_i2d_fp(i2d_ECDSAParameters,(fp), \
+		(unsigned char *)(x))
+#define d2i_ECDSAParameters_bio(bp,x) (ECDSA *)ASN1_d2i_bio((char *(*)())ECDSA_new, \
+		(char *(*)())d2i_ECDSAParameters,(bp),(unsigned char **)(x))
+#define i2d_ECDSAParameters_bio(bp,x) ASN1_i2d_bio(i2d_ECDSAParameters,(bp), \
+		(unsigned char *)(x))
+
+/* BEGIN ERROR CODES */
+/* The following lines are auto generated by the script mkerr.pl. Any changes
+ * made after this point may be overwritten when the script is next run.
+ */
+
+/* Error codes for the ECDSA functions. */
+
+/* Function codes. */
+#define ECDSA_F_D2I_ECDSAPARAMETERS			 100
+#define ECDSA_F_D2I_ECDSAPRIVATEKEY			 101
+#define ECDSA_F_ECDSAPARAMETERS_PRINT			 102
+#define ECDSA_F_ECDSAPARAMETERS_PRINT_FP		 103
+#define ECDSA_F_ECDSA_DO_SIGN				 104
+#define ECDSA_F_ECDSA_DO_VERIFY				 105
+#define ECDSA_F_ECDSA_GENERATE_KEY			 106
+#define ECDSA_F_ECDSA_GET				 107
+#define ECDSA_F_ECDSA_GET_CURVE_NID			 120
+#define ECDSA_F_ECDSA_GET_ECDSA				 121
+#define ECDSA_F_ECDSA_GET_EC_PARAMETERS			 122
+#define ECDSA_F_ECDSA_GET_X9_62_CURVE			 108
+#define ECDSA_F_ECDSA_GET_X9_62_EC_PARAMETERS		 109
+#define ECDSA_F_ECDSA_GET_X9_62_FIELDID			 110
+#define ECDSA_F_ECDSA_NEW				 111
+#define ECDSA_F_ECDSA_PRINT				 112
+#define ECDSA_F_ECDSA_PRINT_FP				 113
+#define ECDSA_F_ECDSA_SET_GROUP_P			 114
+#define ECDSA_F_ECDSA_SET_PRIME_GROUP			 123
+#define ECDSA_F_ECDSA_SIGN_SETUP			 115
+#define ECDSA_F_I2D_ECDSAPARAMETERS			 116
+#define ECDSA_F_I2D_ECDSAPRIVATEKEY			 117
+#define ECDSA_F_I2D_ECDSAPUBLICKEY			 118
+#define ECDSA_F_SIG_CB					 119
+
+/* Reason codes. */
+#define ECDSA_R_BAD_SIGNATURE				 100
+#define ECDSA_R_CAN_NOT_GET_GENERATOR			 101
+#define ECDSA_R_D2I_ECDSAPRIVATEKEY_MISSING_PRIVATE_KEY	 102
+#define ECDSA_R_D2I_ECDSA_PRIVATEKEY_FAILURE		 103
+#define ECDSA_R_D2I_EC_PARAMETERS_FAILURE		 133
+#define ECDSA_R_D2I_X9_62_EC_PARAMETERS_FAILURE		 104
+#define ECDSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE		 105
+#define ECDSA_R_ECDSAPRIVATEKEY_NEW_FAILURE		 106
+#define ECDSA_R_ECDSA_F_ECDSA_NEW			 107
+#define ECDSA_R_ECDSA_GET_EC_PARAMETERS_FAILURE		 134
+#define ECDSA_R_ECDSA_GET_FAILURE			 108
+#define ECDSA_R_ECDSA_GET_X9_62_CURVE_FAILURE		 109
+#define ECDSA_R_ECDSA_GET_X9_62_EC_PARAMETERS_FAILURE	 110
+#define ECDSA_R_ECDSA_GET_X9_62_FIELDID_FAILURE		 111
+#define ECDSA_R_ECDSA_NEW_FAILURE			 112
+#define ECDSA_R_ECDSA_R_D2I_EC_PARAMETERS_FAILURE	 135
+#define ECDSA_R_ECDSA_R_D2I_X9_62_EC_PARAMETERS_FAILURE	 113
+#define ECDSA_R_ECPARAMETERS2ECDSA_FAILURE		 138
+#define ECDSA_R_EC_GROUP_NID2CURVE_FAILURE		 136
+#define ECDSA_R_ERR_EC_LIB				 114
+#define ECDSA_R_I2D_ECDSA_PRIVATEKEY			 115
+#define ECDSA_R_I2D_ECDSA_PUBLICKEY			 116
+#define ECDSA_R_MISSING_PARAMETERS			 117
+#define ECDSA_R_NOT_SUPPORTED				 118
+#define ECDSA_R_NO_CURVE_PARAMETER_A_SPECIFIED		 119
+#define ECDSA_R_NO_CURVE_PARAMETER_B_SPECIFIED		 120
+#define ECDSA_R_NO_CURVE_SPECIFIED			 121
+#define ECDSA_R_NO_FIELD_SPECIFIED			 122
+#define ECDSA_R_PRIME_MISSING				 123
+#define ECDSA_R_RANDOM_NUMBER_GENERATION_FAILED		 124
+#define ECDSA_R_SIGNATURE_MALLOC_FAILED			 125
+#define ECDSA_R_UNEXPECTED_ASN1_TYPE			 126
+#define ECDSA_R_UNEXPECTED_PARAMETER			 127
+#define ECDSA_R_UNEXPECTED_PARAMETER_LENGTH		 128
+#define ECDSA_R_UNEXPECTED_VERSION_NUMER		 129
+#define ECDSA_R_UNKNOWN_PARAMETERS_TYPE			 137
+#define ECDSA_R_WRONG_FIELD_IDENTIFIER			 130
+#define ECDSA_R_X9_62_CURVE_NEW_FAILURE			 131
+#define ECDSA_R_X9_62_EC_PARAMETERS_NEW_FAILURE		 132
+
+#ifdef  __cplusplus
+}
+#endif
+#endif