Add RFC5114 DH parameters to OpenSSL. Add test data to dhtest.

[openssl.git] / crypto / dh / dh.h

diff --git a/crypto/dh/dh.h b/crypto/dh/dh.h
index b4b181c4d9e4d236544dd143c05272d35e370545..2929ebe21f701e0cec2d9695a9ffa6d0770870a4 100644 (file)
--- a/crypto/dh/dh.h
+++ b/crypto/dh/dh.h
@@ -73,6 +73,12 @@
 #include <openssl/bn.h>
 #endif
        
+#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
@@ -82,6 +88,21 @@
                                        * 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" {
 #endif
@@ -153,7 +174,6 @@ struct dh_st
    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), \
@@ -161,8 +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);
@@ -190,6 +217,7 @@ 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
@@ -201,6 +229,11 @@ 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)
@@ -223,7 +256,6 @@ 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
@@ -232,16 +264,21 @@ void ERR_load_DH_strings(void);
 #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                            103
+#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