X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fdh%2Fdh.h;h=2929ebe21f701e0cec2d9695a9ffa6d0770870a4;hp=da44778b58108d56c288f1cf9ed3dbac34de4aed;hb=20bee9684d5bf04193b298eb1e2dfd52ca232282;hpb=879b19801a0bb7f92639e64564e791282a2b8354 diff --git a/crypto/dh/dh.h b/crypto/dh/dh.h index da44778b58..2929ebe21f 100644 --- a/crypto/dh/dh.h +++ b/crypto/dh/dh.h @@ -73,7 +73,35 @@ #include #endif -#define DH_FLAG_CACHE_MONT_P 0x01 +#ifndef OPENSSL_DH_MAX_MODULUS_BITS +# define OPENSSL_DH_MAX_MODULUS_BITS 10000 +#endif + +#define OPENSSL_DH_FIPS_MIN_MODULUS_BITS 1024 + +#define DH_FLAG_CACHE_MONT_P 0x01 +#define DH_FLAG_NO_EXP_CONSTTIME 0x02 /* new with 0.9.7h; the built-in DH + * 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 DH 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 DH_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 DH_FLAG_NON_FIPS_ALLOW 0x0400 #ifdef __cplusplus extern "C" { @@ -138,11 +166,14 @@ struct dh_st #define DH_UNABLE_TO_CHECK_GENERATOR 0x04 #define DH_NOT_SUITABLE_GENERATOR 0x08 +/* DH_check_pub_key error codes */ +#define DH_CHECK_PUBKEY_TOO_SMALL 0x01 +#define DH_CHECK_PUBKEY_TOO_LARGE 0x02 + /* primes p where (p-1)/2 is prime too are called "safe"; we define this for backward compatibility: */ #define DH_CHECK_P_NOT_STRONG_PRIME DH_CHECK_P_NOT_SAFE_PRIME -#define DHparams_dup(x) ASN1_dup_of_const(DH,i2d_DHparams,d2i_DHparams,x) #define d2i_DHparams_fp(fp,x) (DH *)ASN1_d2i_fp((char *(*)())DH_new, \ (char *(*)())d2i_DHparams,(fp),(unsigned char **)(x)) #define i2d_DHparams_fp(fp,x) ASN1_i2d_fp(i2d_DHparams,(fp), \ @@ -150,8 +181,15 @@ struct dh_st #define d2i_DHparams_bio(bp,x) ASN1_d2i_bio_of(DH,DH_new,d2i_DHparams,bp,x) #define i2d_DHparams_bio(bp,x) ASN1_i2d_bio_of_const(DH,i2d_DHparams,bp,x) +DH *DHparams_dup(DH *); + const DH_METHOD *DH_OpenSSL(void); +#ifdef OPENSSL_FIPS +DH * FIPS_dh_new(void); +void FIPS_dh_free(DH *dh); +#endif + void DH_set_default_method(const DH_METHOD *meth); const DH_METHOD *DH_get_default_method(void); int DH_set_method(DH *dh, const DH_METHOD *meth); @@ -176,8 +214,10 @@ DH * DH_generate_parameters(int prime_len,int generator, int DH_generate_parameters_ex(DH *dh, int prime_len,int generator, BN_GENCB *cb); int DH_check(const DH *dh,int *codes); +int DH_check_pub_key(const DH *dh,const BIGNUM *pub_key, int *codes); int DH_generate_key(DH *dh); int DH_compute_key(unsigned char *key,const BIGNUM *pub_key,DH *dh); +int DH_compute_key_padded(unsigned char *key,const BIGNUM *pub_key,DH *dh); DH * d2i_DHparams(DH **a,const unsigned char **pp, long length); int i2d_DHparams(const DH *a,unsigned char **pp); #ifndef OPENSSL_NO_FP_API @@ -189,6 +229,23 @@ int DHparams_print(BIO *bp, const DH *x); int DHparams_print(char *bp, const DH *x); #endif +/* RFC 5114 parameters */ +DH *DH_get_1024_160(void); +DH *DH_get_2048_224(void); +DH *DH_get_2048_256(void); + +#define EVP_PKEY_CTX_set_dh_paramgen_prime_len(ctx, len) \ + EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DH, EVP_PKEY_OP_PARAMGEN, \ + EVP_PKEY_CTRL_DH_PARAMGEN_PRIME_LEN, len, NULL) + +#define EVP_PKEY_CTX_set_dh_paramgen_generator(ctx, gen) \ + EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DH, EVP_PKEY_OP_PARAMGEN, \ + EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR, gen, NULL) + +#define EVP_PKEY_CTRL_DH_PARAMGEN_PRIME_LEN (EVP_PKEY_ALG_CTRL + 1) +#define EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR (EVP_PKEY_ALG_CTRL + 2) + + /* 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. @@ -199,16 +256,32 @@ void ERR_load_DH_strings(void); /* Function codes. */ #define DH_F_COMPUTE_KEY 102 -#define DH_F_DHPARAMS_PRINT 100 #define DH_F_DHPARAMS_PRINT_FP 101 #define DH_F_DH_BUILTIN_GENPARAMS 106 #define DH_F_DH_NEW_METHOD 105 +#define DH_F_DH_PARAM_DECODE 107 +#define DH_F_DH_PRIV_DECODE 110 +#define DH_F_DH_PRIV_ENCODE 111 +#define DH_F_DH_PUB_DECODE 108 +#define DH_F_DH_PUB_ENCODE 109 +#define DH_F_DO_DH_PRINT 100 #define DH_F_GENERATE_KEY 103 #define DH_F_GENERATE_PARAMETERS 104 +#define DH_F_PKEY_DH_DERIVE 112 +#define DH_F_PKEY_DH_KEYGEN 113 /* Reason codes. */ #define DH_R_BAD_GENERATOR 101 +#define DH_R_BN_DECODE_ERROR 109 +#define DH_R_BN_ERROR 106 +#define DH_R_DECODE_ERROR 104 +#define DH_R_INVALID_PUBKEY 102 +#define DH_R_KEYS_NOT_SET 108 +#define DH_R_KEY_SIZE_TOO_SMALL 110 +#define DH_R_MODULUS_TOO_LARGE 103 +#define DH_R_NO_PARAMETERS_SET 107 #define DH_R_NO_PRIVATE_VALUE 100 +#define DH_R_PARAMETER_ENCODING_ERROR 105 #ifdef __cplusplus }