X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fdsa%2Fdsa.h;h=3d401830a97290d66ae91714a661e0f644f1393a;hp=7fc8fd303b6d50dd64dc4437b36977ac7bb0850b;hb=245a7eee177ccd7fd7986f86b67a4d59f5c4d6ad;hpb=5cbc2e8bc187058e2ec2f17f53c3429c16dbc0d8 diff --git a/crypto/dsa/dsa.h b/crypto/dsa/dsa.h index 7fc8fd303b..3d401830a9 100644 --- a/crypto/dsa/dsa.h +++ b/crypto/dsa/dsa.h @@ -65,6 +65,8 @@ #ifndef HEADER_DSA_H #define HEADER_DSA_H +#include + #ifdef OPENSSL_NO_DSA #error DSA is disabled. #endif @@ -72,19 +74,36 @@ #ifndef OPENSSL_NO_BIO #include #endif -#include #include +#include + +#ifndef OPENSSL_NO_DEPRECATED +#include #ifndef OPENSSL_NO_DH # include #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 -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 { @@ -92,13 +111,14 @@ 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, BIGNUM **rp); int (*dsa_do_verify)(const unsigned char *dgst, int dgst_len, - DSA_SIG *sig, DSA *dsa); + 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); @@ -109,14 +129,21 @@ typedef struct dsa_method { 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, + 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; - int version; + long version; int write_params; BIGNUM *p; BIGNUM *q; /* == 20 */ @@ -130,28 +157,23 @@ struct dsa_st 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 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(const DSA_SIG *a, unsigned char **pp); @@ -163,23 +185,15 @@ int DSA_do_verify(const unsigned char *dgst,int dgst_len, 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); -#endif +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); -#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(DSA *r); +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); @@ -192,15 +206,23 @@ int DSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_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, + 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); @@ -227,6 +249,14 @@ int DSA_print_fp(FILE *bp, const DSA *x, int off); 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. @@ -237,23 +267,41 @@ void ERR_load_DSA_strings(void); /* 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_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_NEED_NEW_SETUP_VALUES 110 +#define DSA_R_NO_PARAMETERS_SET 107 +#define DSA_R_PARAMETER_ENCODING_ERROR 105 #ifdef __cplusplus }