1 //! Diffie-Hellman key agreement.
16     fn drop = ffi::DH_free;
28         /// Serializes the parameters into a PEM-encoded PKCS#3 DHparameter structure.
30         /// The output will have a header of `-----BEGIN DH PARAMETERS-----`.
37         /// Serializes the parameters into a DER-encoded PKCS#3 DHparameter structure.
45     pub fn check_key(&self) -> Result<bool, ErrorStack> {  in check_key()
55     pub fn from_params(p: BigNum, g: BigNum, q: BigNum) -> Result<Dh<Params>, ErrorStack> {  in from_params()
59     /// Creates a DH instance based upon the given primes and generator params.
61     pub fn from_pqg(  in from_pqg()
64         generator: BigNum,  in from_pqg()
65     ) -> Result<Dh<Params>, ErrorStack> {  in from_pqg()
72                 generator.as_ptr(),  in from_pqg()
74             mem::forget((prime_p, prime_q, generator));  in from_pqg()
80     pub fn set_public_key(self, pub_key: BigNum) -> Result<Dh<Public>, ErrorStack> {  in set_public_key()
90     pub fn set_private_key(self, priv_key: BigNum) -> Result<Dh<Private>, ErrorStack> {  in set_private_key()
103     pub fn set_key(self, pub_key: BigNum, priv_key: BigNum) -> Result<Dh<Private>, ErrorStack> {  in set_key()
112     /// Generates DH params based on the given `prime_len` and a fixed `generator` value.
114     pub fn generate_params(prime_len: u32, generator: u32) -> Result<Dh<Params>, ErrorStack> {  in generate_params()
120                 generator as i32,  in generate_params()
129     pub fn generate_key(self) -> Result<Dh<Private>, ErrorStack> {  in generate_key()
139         /// Deserializes a PEM-encoded PKCS#3 DHpararameters structure.
141         /// The input should have a header of `-----BEGIN DH PARAMETERS-----`.
149         /// Deserializes a DER-encoded PKCS#3 DHparameters structure.
159     pub fn get_1024_160() -> Result<Dh<Params>, ErrorStack> {  in get_1024_160()
169     pub fn get_2048_224() -> Result<Dh<Params>, ErrorStack> {  in get_2048_224()
179     pub fn get_2048_256() -> Result<Dh<Params>, ErrorStack> {  in get_2048_256()
193     pub fn prime_p(&self) -> &BigNumRef {  in prime_p()
203     pub fn prime_q(&self) -> Option<&BigNumRef> {  in prime_q()
215     /// Returns the generator from the DH instance.
217     pub fn generator(&self) -> &BigNumRef {  in generator()  function
232     pub fn public_key(&self) -> &BigNumRef {  in public_key()
247     pub fn compute_key(&self, public_key: &BigNumRef) -> Result<Vec<u8>, ErrorStack> {  in compute_key()
262     pub fn private_key(&self) -> &BigNumRef {  in private_key()
276         unsafe fn DH_set0_pqg(
281         ) -> ::libc::c_int {
289         unsafe fn DH_get0_pqg(
307         unsafe fn DH_set0_key(
311         ) -> ::libc::c_int {
318         unsafe fn DH_get0_key(
343     fn test_dh_rfc5114() {  in test_dh_rfc5114()
352     fn test_dh_params() {  in test_dh_params()
370         let generator = BigNum::from_hex_str(  in test_dh_params()  localVariable
376             generator.to_owned().unwrap(),  in test_dh_params()
384         assert_eq!(dh.generator(), &generator);  in test_dh_params()
389     fn test_from_dhx_serializes_q() {  in test_from_dhx_serializes_q()
399         // Verify that 'q' is serialized in the public key.  in test_from_dhx_serializes_q()
406     fn test_dh_stored_restored() {  in test_dh_stored_restored()
421     fn test_set_keys() {  in test_set_keys()
444     fn test_dh_from_pem() {  in test_dh_from_pem()
452     fn test_dh_from_der() {  in test_dh_from_der()
461     fn test_dh_generate_key_compute_key() {  in test_dh_generate_key_compute_key()
472     fn test_dh_generate_params_generate_key_compute_key() {  in test_dh_generate_params_generate_key_compute_key()
477             dh_params1.generator().to_owned().unwrap(),  in test_dh_generate_params_generate_key_compute_key()
491     fn test_dh_check_key() {  in test_dh_check_key()