#ifndef HEADER_DSA_H
#define HEADER_DSA_H
-#ifdef __cplusplus
-extern "C" {
-#endif
+#include <openssl/e_os2.h>
-#ifdef NO_DSA
+#ifdef OPENSSL_NO_DSA
#error DSA is disabled.
#endif
+#ifndef OPENSSL_NO_BIO
+#include <openssl/bio.h>
+#endif
+#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 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.
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Already defined in ossl_typ.h */
+/* typedef struct dsa_st DSA; */
+/* typedef struct dsa_method DSA_METHOD; */
+
+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);
+ int (*bn_mod_exp)(DSA *dsa, BIGNUM *r, BIGNUM *a, const BIGNUM *p,
+ const BIGNUM *m, BN_CTX *ctx,
+ BN_MONT_CTX *m_ctx); /* Can be null */
+ 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);
+ };
-typedef struct dsa_st
+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;
- } DSA;
+ CRYPTO_EX_DATA ex_data;
+ const DSA_METHOD *meth;
+ /* functional reference if 'meth' is ENGINE-provided */
+ ENGINE *engine;
+ };
-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))
+#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(DSA_SIG *a, unsigned char **pp);
-DSA_SIG * d2i_DSA_SIG(DSA_SIG **v, unsigned char **pp, long length);
+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);
-int DSA_size(DSA *);
+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);
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);
+ 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);
-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);
-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,
+/* 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)(),char *cb_arg);
+ (*callback)(int, int, void *),void *cb_arg);
+#endif /* !defined(OPENSSL_NO_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(DSA *a, unsigned char **pp);
-int i2d_DSAPrivateKey(DSA *a, unsigned char **pp);
-int i2d_DSAparams(DSA *a,unsigned char **pp);
+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);
-#ifdef HEADER_BIO_H
-int DSAparams_print(BIO *bp, DSA *x);
-int DSA_print(BIO *bp, DSA *x, int off);
+#ifndef OPENSSL_NO_BIO
+int DSAparams_print(BIO *bp, const DSA *x);
+int DSA_print(BIO *bp, const 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);
+#ifndef OPENSSL_NO_FP_API
+int DSAparams_print_fp(FILE *fp, const DSA *x);
+int DSA_print_fp(FILE *bp, const DSA *x, int off);
#endif
-int DSA_is_prime(BIGNUM *q,void (*callback)(),char *cb_arg);
+#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
* 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_DO_DSA_PRINT 104
#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_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_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_MISSING_PARAMETERS 101
+#define DSA_R_MODULUS_TOO_LARGE 103
+#define DSA_R_NO_PARAMETERS_SET 107
+#define DSA_R_PARAMETER_ENCODING_ERROR 105
#ifdef __cplusplus
}
#endif
#endif
-
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