#ifndef HEADER_DSA_H
#define HEADER_DSA_H
+#include <openssl/e_os2.h>
+
#ifdef OPENSSL_NO_DSA
#error DSA is disabled.
#endif
#ifndef OPENSSL_NO_BIO
#include <openssl/bio.h>
#endif
-#include <openssl/bn.h>
#include <openssl/crypto.h>
+#include <openssl/ossl_typ.h>
+
+#ifndef OPENSSL_NO_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
+#define DSA_FLAG_NO_EXP_CONSTTIME 0x02 /* 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.
+ */
+
+/* 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
+
+#ifdef OPENSSL_FIPS
+#define FIPS_DSA_SIZE_T int
+#endif
#ifdef __cplusplus
extern "C" {
#endif
-typedef struct dsa_st DSA;
+/* Already defined in ossl_typ.h */
+/* typedef struct dsa_st DSA; */
+/* typedef struct dsa_method DSA_METHOD; */
typedef struct DSA_SIG_st
{
BIGNUM *s;
} DSA_SIG;
-typedef struct dsa_method {
+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,
int (*finish)(DSA *dsa);
int flags;
char *app_data;
-} DSA_METHOD;
+ /* If this is non-NULL, it is used to generate DSA parameters */
+ int (*dsa_paramgen)(DSA *dsa, int bits,
+ 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;
- int version;
+ long version;
int write_params;
BIGNUM *p;
BIGNUM *q; /* == 20 */
int flags;
/* Normally used to cache montgomery values */
- char *method_mont_p;
+ BN_MONT_CTX *method_mont_p;
int references;
CRYPTO_EX_DATA ex_data;
-#if 0
- DSA_METHOD *meth;
-#else
- struct engine_st *engine;
-#endif
+ const DSA_METHOD *meth;
+ /* functional reference if 'meth' is ENGINE-provided */
+ ENGINE *engine;
};
-#define DSAparams_dup(x) (DSA *)ASN1_dup((int (*)())i2d_DSAparams, \
- (char *(*)())d2i_DSAparams,(char *)(x))
+#define DSAparams_dup(x) ASN1_dup_of_const(DSA,i2d_DSAparams,d2i_DSAparams,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))
+#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_SIG * DSA_SIG_new(void);
const DSA_METHOD *DSA_OpenSSL(void);
-void DSA_set_default_openssl_method(const DSA_METHOD *);
-const DSA_METHOD *DSA_get_default_openssl_method(void);
-#if 0
-const DSA_METHOD *DSA_set_method(DSA *dsa, DSA_METHOD *);
-#else
-int DSA_set_method(DSA *dsa, struct engine_st *engine);
+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 *);
+
+#ifdef OPENSSL_FIPS
+DSA * FIPS_dsa_new(void);
+void FIPS_dsa_free (DSA *r);
#endif
DSA * DSA_new(void);
-#if 0
-DSA * DSA_new_method(DSA_METHOD *meth);
-#else
-DSA * DSA_new_method(struct engine_st *engine);
-#endif
+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 *);
/* next 4 return -1 on error */
int DSA_sign_setup( DSA *dsa,BN_CTX *ctx_in,BIGNUM **kinvp,BIGNUM **rp);
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);
-void DSA_free (DSA *r);
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);
-void ERR_load_DSA_strings(void );
-
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 */
+#ifndef OPENSSL_NO_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_NO_DEPRECATED) */
+
+/* New version */
+int DSA_generate_parameters_ex(DSA *dsa, int bits,
+ 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);
DH *DSA_dup_DH(const DSA *r);
#endif
+#ifdef OPENSSL_FIPS
+int FIPS_dsa_sig_encode(unsigned char *out, DSA_SIG *sig);
+int FIPS_dsa_sig_decode(DSA_SIG *sig, const unsigned char *in, int inlen);
+#endif
+
/* 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.
#define DSA_F_D2I_DSA_SIG 110
#define DSA_F_DSAPARAMS_PRINT 100
#define DSA_F_DSAPARAMS_PRINT_FP 101
+#define DSA_F_DSA_BUILTIN_KEYGEN 119
+#define DSA_F_DSA_BUILTIN_PARAMGEN 118
#define DSA_F_DSA_DO_SIGN 112
#define DSA_F_DSA_DO_VERIFY 113
-#define DSA_F_DSA_NEW 103
+#define DSA_F_DSA_GENERATE_PARAMETERS 117
+#define DSA_F_DSA_NEW_METHOD 103
#define DSA_F_DSA_PRINT 104
#define DSA_F_DSA_PRINT_FP 105
+#define DSA_F_DSA_SET_DEFAULT_METHOD 115
+#define DSA_F_DSA_SET_METHOD 116
#define DSA_F_DSA_SIGN 106
#define DSA_F_DSA_SIGN_SETUP 107
#define DSA_F_DSA_SIG_NEW 109
#define DSA_F_SIG_CB 114
/* Reason codes. */
+#define DSA_R_BAD_Q_VALUE 102
#define DSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 100
+#define DSA_R_KEY_SIZE_TOO_SMALL 106
#define DSA_R_MISSING_PARAMETERS 101
+#define DSA_R_MODULUS_TOO_LARGE 103
+#define DSA_R_NON_FIPS_METHOD 104
+#define DSA_R_OPERATION_NOT_ALLOWED_IN_FIPS_MODE 105
#ifdef __cplusplus
}
projects / oweals / openssl.git / blobdiff