X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fdsa%2Fdsa.h;h=d54c5d59bc1040b76a1095bcacb8bb28527b78a6;hp=3fc15194e345d84f28123aceec69645e88632b36;hb=3a87a9b9db07f8d3c6d9aa7f20e01f053007a703;hpb=a9be3af5ad4836f7e50f0546311ca90c717b861e diff --git a/crypto/dsa/dsa.h b/crypto/dsa/dsa.h index 3fc15194e3..d54c5d59bc 100644 --- a/crypto/dsa/dsa.h +++ b/crypto/dsa/dsa.h @@ -65,20 +65,71 @@ #ifndef HEADER_DSA_H #define HEADER_DSA_H -#ifdef __cplusplus -extern "C" { +#include + +#ifdef OPENSSL_NO_DSA +#error DSA is disabled. #endif +#ifndef OPENSSL_NO_BIO +#include +#endif #include +#include +#include +#ifndef OPENSSL_NO_DH +# include +#endif #define DSA_FLAG_CACHE_MONT_P 0x01 -typedef struct dsa_st +#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, + 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 */ @@ -93,15 +144,12 @@ typedef struct dsa_st 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; + CRYPTO_EX_DATA ex_data; + 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)) @@ -117,51 +165,84 @@ typedef struct DSA_SIG_st 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, + 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 /* 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. */ @@ -171,8 +252,7 @@ int DSA_is_prime(BIGNUM *q,void (*callback)(),char *cb_arg); #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_NEW_METHOD 103 #define DSA_F_DSA_PRINT 104 #define DSA_F_DSA_PRINT_FP 105 #define DSA_F_DSA_SIGN 106 @@ -180,12 +260,13 @@ int DSA_is_prime(BIGNUM *q,void (*callback)(),char *cb_arg); #define DSA_F_DSA_SIG_NEW 109 #define DSA_F_DSA_VERIFY 108 #define DSA_F_I2D_DSA_SIG 111 +#define DSA_F_SIG_CB 114 /* Reason codes. */ #define DSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE 100 +#define DSA_R_MISSING_PARAMETERS 101 #ifdef __cplusplus } #endif #endif -