* 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:
* 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
+ * 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
* 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
* stylistic vision for SSLeay :-) */
#ifndef HEADER_DSA_H
-#define HEADER_DSA_H
+# define HEADER_DSA_H
+
+# include <openssl/e_os2.h>
+
+# ifdef OPENSSL_NO_DSA
+# error DSA is disabled.
+# endif
+
+# include <openssl/bio.h>
+# include <openssl/crypto.h>
+# include <openssl/ossl_typ.h>
+
+# ifdef OPENSSL_USE_DEPRECATED
+# include <openssl/bn.h>
+# ifndef OPENSSL_NO_DH
+# include <openssl/dh.h>
+# endif
+# endif
+
+# ifndef OPENSSL_DSA_MAX_MODULUS_BITS
+# define OPENSSL_DSA_MAX_MODULUS_BITS 10000
+# endif
+
+# define OPENSSL_DSA_FIPS_MIN_MODULUS_BITS 1024
+
+# define DSA_FLAG_CACHE_MONT_P 0x01
+/*
+ * new with 0.9.7h; the built-in DSA implementation now uses constant time
+ * modular exponentiation for secret exponents by default. This flag causes
+ * the faster variable sliding window method to be used for all exponents.
+ */
+# define DSA_FLAG_NO_EXP_CONSTTIME 0x02
+
+/*
+ * If this flag is set the DSA method is FIPS compliant and can be used in
+ * FIPS mode. This is set in the validated module method. If an application
+ * sets this flag in its own methods it is its reposibility to ensure the
+ * result is compliant.
+ */
+
+# define DSA_FLAG_FIPS_METHOD 0x0400
+
+/*
+ * If this flag is set the operations normally disabled in FIPS mode are
+ * permitted it is then the applications responsibility to ensure that the
+ * usage is compliant.
+ */
+
+# define DSA_FLAG_NON_FIPS_ALLOW 0x0400
+# define DSA_FLAG_FIPS_CHECKED 0x0800
#ifdef __cplusplus
extern "C" {
#endif
-#include <openssl/bn.h>
-
-#define DSA_FLAG_CACHE_MONT_P 0x01
-
-typedef struct dsa_st
- {
- /* This first variable is used to pick up errors where
- * a DSA is passed instead of of a EVP_PKEY */
- int pad;
- int version;
- int write_params;
- BIGNUM *p;
- BIGNUM *q; /* == 20 */
- BIGNUM *g;
-
- BIGNUM *pub_key; /* y public key */
- BIGNUM *priv_key; /* x private key */
-
- BIGNUM *kinv; /* Signing pre-calc */
- BIGNUM *r; /* Signing pre-calc */
-
- int flags;
- /* Normally used to cache montgomery values */
- char *method_mont_p;
-
- int references;
- } DSA;
-
-typedef struct DSA_SIG_st
- {
- BIGNUM *r;
- BIGNUM *s;
- } DSA_SIG;
-
-#define DSAparams_dup(x) (DSA *)ASN1_dup((int (*)())i2d_DSAparams, \
- (char *(*)())d2i_DSAparams,(char *)(x))
-#define d2i_DSAparams_fp(fp,x) (DSA *)ASN1_d2i_fp((char *(*)())DSA_new, \
- (char *(*)())d2i_DSAparams,(fp),(unsigned char **)(x))
-#define i2d_DSAparams_fp(fp,x) ASN1_i2d_fp(i2d_DSAparams,(fp), \
- (unsigned char *)(x))
-#define d2i_DSAparams_bio(bp,x) (DSA *)ASN1_d2i_bio((char *(*)())DSA_new, \
- (char *(*)())d2i_DSAparams,(bp),(unsigned char **)(x))
-#define i2d_DSAparams_bio(bp,x) ASN1_i2d_bio(i2d_DSAparams,(bp), \
- (unsigned char *)(x))
-
-
-DSA_SIG * DSA_SIG_new(void);
-void DSA_SIG_free(DSA_SIG *a);
-int i2d_DSA_SIG(DSA_SIG *a, unsigned char **pp);
-DSA_SIG * d2i_DSA_SIG(DSA_SIG **v, unsigned char **pp, long length);
-
-DSA_SIG * DSA_do_sign(const unsigned char *dgst,int dlen,DSA *dsa);
-int DSA_do_verify(const unsigned char *dgst,int dgst_len,
- DSA_SIG *sig,DSA *dsa);
-
-DSA * DSA_new(void);
-int DSA_size(DSA *);
- /* next 4 return -1 on error */
-int DSA_sign_setup( DSA *dsa,BN_CTX *ctx_in,BIGNUM **kinvp,BIGNUM **rp);
-int DSA_sign(int type,const unsigned char *dgst,int dlen,
- unsigned char *sig, unsigned int *siglen, DSA *dsa);
-int DSA_verify(int type,const unsigned char *dgst,int dgst_len,
- unsigned char *sigbuf, int siglen, DSA *dsa);
-void DSA_free (DSA *r);
-
-void ERR_load_DSA_strings(void );
-
-DSA * d2i_DSAPublicKey(DSA **a, unsigned char **pp, long length);
-DSA * d2i_DSAPrivateKey(DSA **a, unsigned char **pp, long length);
-DSA * d2i_DSAparams(DSA **a, unsigned char **pp, long length);
-DSA * DSA_generate_parameters(int bits, unsigned char *seed,int seed_len,
- int *counter_ret, unsigned long *h_ret,void
- (*callback)(),char *cb_arg);
-int DSA_generate_key(DSA *a);
-int i2d_DSAPublicKey(DSA *a, unsigned char **pp);
-int i2d_DSAPrivateKey(DSA *a, unsigned char **pp);
-int i2d_DSAparams(DSA *a,unsigned char **pp);
-
-#ifdef HEADER_BIO_H
-int DSAparams_print(BIO *bp, DSA *x);
-int DSA_print(BIO *bp, DSA *x, int off);
-#endif
-#ifndef NO_FP_API
-int DSAparams_print_fp(FILE *fp, DSA *x);
-int DSA_print_fp(FILE *bp, DSA *x, int off);
-#endif
+/* Already defined in ossl_typ.h */
+/* typedef struct dsa_st DSA; */
+/* typedef struct dsa_method DSA_METHOD; */
-int DSA_is_prime(BIGNUM *q,void (*callback)(),char *cb_arg);
+typedef struct DSA_SIG_st {
+ BIGNUM *r;
+ BIGNUM *s;
+} DSA_SIG;
+
+struct dsa_method {
+ const char *name;
+ DSA_SIG *(*dsa_do_sign) (const unsigned char *dgst, int dlen, DSA *dsa);
+ int (*dsa_sign_setup) (DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp,
+ BIGNUM **rp);
+ int (*dsa_do_verify) (const unsigned char *dgst, int dgst_len,
+ DSA_SIG *sig, DSA *dsa);
+ int (*dsa_mod_exp) (DSA *dsa, BIGNUM *rr, BIGNUM *a1, BIGNUM *p1,
+ BIGNUM *a2, BIGNUM *p2, BIGNUM *m, BN_CTX *ctx,
+ BN_MONT_CTX *in_mont);
+ /* Can be null */
+ int (*bn_mod_exp) (DSA *dsa, BIGNUM *r, BIGNUM *a, const BIGNUM *p,
+ const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
+ int (*init) (DSA *dsa);
+ int (*finish) (DSA *dsa);
+ int flags;
+ char *app_data;
+ /* If this is non-NULL, it is used to generate DSA parameters */
+ int (*dsa_paramgen) (DSA *dsa, int bits,
+ const unsigned char *seed, int seed_len,
+ int *counter_ret, unsigned long *h_ret,
+ BN_GENCB *cb);
+ /* If this is non-NULL, it is used to generate DSA keys */
+ int (*dsa_keygen) (DSA *dsa);
+};
+
+struct dsa_st {
+ /*
+ * This first variable is used to pick up errors where a DSA is passed
+ * instead of of a EVP_PKEY
+ */
+ int pad;
+ long version;
+ int write_params;
+ BIGNUM *p;
+ BIGNUM *q; /* == 20 */
+ BIGNUM *g;
+ BIGNUM *pub_key; /* y public key */
+ BIGNUM *priv_key; /* x private key */
+ BIGNUM *kinv; /* Signing pre-calc */
+ BIGNUM *r; /* Signing pre-calc */
+ int flags;
+ /* Normally used to cache montgomery values */
+ BN_MONT_CTX *method_mont_p;
+ int references;
+ CRYPTO_EX_DATA ex_data;
+ const DSA_METHOD *meth;
+ /* functional reference if 'meth' is ENGINE-provided */
+ ENGINE *engine;
+};
+
+# define d2i_DSAparams_fp(fp,x) (DSA *)ASN1_d2i_fp((char *(*)())DSA_new, \
+ (char *(*)())d2i_DSAparams,(fp),(unsigned char **)(x))
+# define i2d_DSAparams_fp(fp,x) ASN1_i2d_fp(i2d_DSAparams,(fp), \
+ (unsigned char *)(x))
+# define d2i_DSAparams_bio(bp,x) ASN1_d2i_bio_of(DSA,DSA_new,d2i_DSAparams,bp,x)
+# define i2d_DSAparams_bio(bp,x) ASN1_i2d_bio_of_const(DSA,i2d_DSAparams,bp,x)
+
+DSA *DSAparams_dup(DSA *x);
+DSA_SIG *DSA_SIG_new(void);
+void DSA_SIG_free(DSA_SIG *a);
+int i2d_DSA_SIG(const DSA_SIG *a, unsigned char **pp);
+DSA_SIG *d2i_DSA_SIG(DSA_SIG **v, const unsigned char **pp, long length);
+
+DSA_SIG *DSA_do_sign(const unsigned char *dgst, int dlen, DSA *dsa);
+int DSA_do_verify(const unsigned char *dgst, int dgst_len,
+ DSA_SIG *sig, DSA *dsa);
+
+const DSA_METHOD *DSA_OpenSSL(void);
+
+void DSA_set_default_method(const DSA_METHOD *);
+const DSA_METHOD *DSA_get_default_method(void);
+int DSA_set_method(DSA *dsa, const DSA_METHOD *);
+
+DSA *DSA_new(void);
+DSA *DSA_new_method(ENGINE *engine);
+void DSA_free(DSA *r);
+/* "up" the DSA object's reference count */
+int DSA_up_ref(DSA *r);
+int DSA_size(const DSA *);
+int DSA_security_bits(const DSA *d);
+ /* next 4 return -1 on error */
+int DSA_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, BIGNUM **rp);
+int DSA_sign(int type, const unsigned char *dgst, int dlen,
+ unsigned char *sig, unsigned int *siglen, DSA *dsa);
+int DSA_verify(int type, const unsigned char *dgst, int dgst_len,
+ const unsigned char *sigbuf, int siglen, DSA *dsa);
+int DSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
+ CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
+int DSA_set_ex_data(DSA *d, int idx, void *arg);
+void *DSA_get_ex_data(DSA *d, int idx);
+
+DSA *d2i_DSAPublicKey(DSA **a, const unsigned char **pp, long length);
+DSA *d2i_DSAPrivateKey(DSA **a, const unsigned char **pp, long length);
+DSA *d2i_DSAparams(DSA **a, const unsigned char **pp, long length);
+
+/* Deprecated version */
+# ifdef OPENSSL_USE_DEPRECATED
+DECLARE_DEPRECATED(DSA *DSA_generate_parameters(int bits,
+ unsigned char *seed,
+ int seed_len,
+ int *counter_ret,
+ unsigned long *h_ret, void
+ (*callback) (int, int,
+ void *),
+ void *cb_arg));
+# endif /* defined(OPENSSL_USE_DEPRECATED) */
+
+/* New version */
+int DSA_generate_parameters_ex(DSA *dsa, int bits,
+ const unsigned char *seed, int seed_len,
+ int *counter_ret, unsigned long *h_ret,
+ BN_GENCB *cb);
+
+int DSA_generate_key(DSA *a);
+int i2d_DSAPublicKey(const DSA *a, unsigned char **pp);
+int i2d_DSAPrivateKey(const DSA *a, unsigned char **pp);
+int i2d_DSAparams(const DSA *a, unsigned char **pp);
+
+int DSAparams_print(BIO *bp, const DSA *x);
+int DSA_print(BIO *bp, const DSA *x, int off);
+# ifndef OPENSSL_NO_STDIO
+int DSAparams_print_fp(FILE *fp, const DSA *x);
+int DSA_print_fp(FILE *bp, const DSA *x, int off);
+# endif
+
+# define DSS_prime_checks 50
+/*
+ * Primality test according to FIPS PUB 186[-1], Appendix 2.1: 50 rounds of
+ * Rabin-Miller
+ */
+# define DSA_is_prime(n, callback, cb_arg) \
+ BN_is_prime(n, DSS_prime_checks, callback, NULL, cb_arg)
+
+# ifndef OPENSSL_NO_DH
+/*
+ * Convert DSA structure (key or just parameters) into DH structure (be
+ * careful to avoid small subgroup attacks when using this!)
+ */
+DH *DSA_dup_DH(const DSA *r);
+# endif
+
+# define EVP_PKEY_CTX_set_dsa_paramgen_bits(ctx, nbits) \
+ EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DSA, EVP_PKEY_OP_PARAMGEN, \
+ EVP_PKEY_CTRL_DSA_PARAMGEN_BITS, nbits, NULL)
+
+# define EVP_PKEY_CTRL_DSA_PARAMGEN_BITS (EVP_PKEY_ALG_CTRL + 1)
+# define EVP_PKEY_CTRL_DSA_PARAMGEN_Q_BITS (EVP_PKEY_ALG_CTRL + 2)
+# define EVP_PKEY_CTRL_DSA_PARAMGEN_MD (EVP_PKEY_ALG_CTRL + 3)
/* BEGIN ERROR CODES */
-/* The following lines are auto generated by the script mkerr.pl. Any changes
+/*
+ * 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.
*/
+void ERR_load_DSA_strings(void);
/* Error codes for the DSA functions. */
/* Function codes. */
-#define DSA_F_D2I_DSA_SIG 110
-#define DSA_F_DSAPARAMS_PRINT 100
-#define DSA_F_DSAPARAMS_PRINT_FP 101
-#define DSA_F_DSA_DO_SIGN 112
-#define DSA_F_DSA_DO_VERIFY 113
-#define DSA_F_DSA_IS_PRIME 102
-#define DSA_F_DSA_NEW 103
-#define DSA_F_DSA_PRINT 104
-#define DSA_F_DSA_PRINT_FP 105
-#define DSA_F_DSA_SIGN 106
-#define DSA_F_DSA_SIGN_SETUP 107
-#define DSA_F_DSA_SIG_NEW 109
-#define DSA_F_DSA_VERIFY 108
-#define DSA_F_I2D_DSA_SIG 111
+# define DSA_F_D2I_DSA_SIG 110
+# define DSA_F_DO_DSA_PRINT 104
+# define DSA_F_DSAPARAMS_PRINT 100
+# define DSA_F_DSAPARAMS_PRINT_FP 101
+# define DSA_F_DSA_BUILTIN_KEYGEN 124
+# define DSA_F_DSA_BUILTIN_PARAMGEN 125
+# define DSA_F_DSA_BUILTIN_PARAMGEN2 126
+# define DSA_F_DSA_DO_SIGN 112
+# define DSA_F_DSA_DO_VERIFY 113
+# define DSA_F_DSA_NEW_METHOD 103
+# define DSA_F_DSA_PARAM_DECODE 119
+# define DSA_F_DSA_PRINT_FP 105
+# define DSA_F_DSA_PRIV_DECODE 115
+# define DSA_F_DSA_PRIV_ENCODE 116
+# define DSA_F_DSA_PUB_DECODE 117
+# define DSA_F_DSA_PUB_ENCODE 118
+# define DSA_F_DSA_SIGN 106
+# define DSA_F_DSA_SIGN_SETUP 107
+# define DSA_F_DSA_SIG_NEW 109
+# define DSA_F_DSA_SIG_PRINT 123
+# define DSA_F_DSA_VERIFY 108
+# define DSA_F_I2D_DSA_SIG 111
+# define DSA_F_OLD_DSA_PRIV_DECODE 122
+# define DSA_F_PKEY_DSA_CTRL 120
+# define DSA_F_PKEY_DSA_KEYGEN 121
+# define DSA_F_SIG_CB 114
/* Reason codes. */
-#define DSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 100
+# define DSA_R_BAD_Q_VALUE 102
+# define DSA_R_BN_DECODE_ERROR 108
+# define DSA_R_BN_ERROR 109
+# define DSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 100
+# define DSA_R_DECODE_ERROR 104
+# define DSA_R_INVALID_DIGEST_TYPE 106
+# define DSA_R_INVALID_PARAMETERS 112
+# define DSA_R_KEY_SIZE_TOO_SMALL 111
+# define DSA_R_MISSING_PARAMETERS 101
+# define DSA_R_MODULUS_TOO_LARGE 103
+# define DSA_R_NEED_NEW_SETUP_VALUES 110
+# define DSA_R_NO_PARAMETERS_SET 107
+# define DSA_R_PARAMETER_ENCODING_ERROR 105
+# define DSA_R_Q_NOT_PRIME 113
#ifdef __cplusplus
}
#endif
#endif
-
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