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| author | Paul Kehrer <paul.l.kehrer@gmail.com> | 2018-01-05 09:58:35 -0600 |
|---|---|---|
| committer | Alex Gaynor <alex.gaynor@gmail.com> | 2018-01-05 10:58:35 -0500 |
| commit | bade58f1566683cb5b110b341e01e3d3397b972f (patch) | |
| tree | 0f920d42af3ea40ce5856cb5abecab840fa89f84 /src | |
| parent | 754c693bc76e91150ad06de13f74c42b48f59231 (diff) | |
| download | cryptography-bade58f1566683cb5b110b341e01e3d3397b972f.tar.gz cryptography-bade58f1566683cb5b110b341e01e3d3397b972f.tar.bz2 cryptography-bade58f1566683cb5b110b341e01e3d3397b972f.zip | |
just a quick confirmation that it really is an x25519 evp key (#4070)
* just a quick confirmation that it really is an x25519 evp key
* openssl assert. take that python -O
Diffstat (limited to 'src')
| -rw-r--r-- | src/_cffi_src/openssl/evp.py | 9 | ||||
| -rw-r--r-- | src/cryptography/hazmat/backends/openssl/backend.py | 3 | ||||
| -rw-r--r-- | src/cryptography/hazmat/bindings/openssl/_conditional.py | 1 |
3 files changed, 13 insertions, 0 deletions
diff --git a/src/_cffi_src/openssl/evp.py b/src/_cffi_src/openssl/evp.py index 3fcac0c2..715bfe19 100644 --- a/src/_cffi_src/openssl/evp.py +++ b/src/_cffi_src/openssl/evp.py @@ -21,6 +21,7 @@ static const int EVP_PKEY_DSA; static const int EVP_PKEY_DH; static const int EVP_PKEY_DHX; static const int EVP_PKEY_EC; +static const int EVP_PKEY_X25519; static const int EVP_MAX_MD_SIZE; static const int EVP_CTRL_AEAD_SET_IVLEN; static const int EVP_CTRL_AEAD_GET_TAG; @@ -241,4 +242,12 @@ int (*EVP_PKEY_set1_tls_encodedpoint)(EVP_PKEY *, const unsigned char *, #if !defined(EVP_CTRL_AEAD_SET_TAG) # define EVP_CTRL_AEAD_SET_TAG EVP_CTRL_GCM_SET_TAG #endif + +/* This is tied to X25519 support so we reuse the Cryptography_HAS_X25519 + conditional to remove it. OpenSSL 1.1.0 didn't have this define, but + 1.1.1 will when it is released. We can remove this in the distant + future when we drop 1.1.0 support. */ +#ifndef EVP_PKEY_X25519 +#define EVP_PKEY_X25519 NID_X25519 +#endif """ diff --git a/src/cryptography/hazmat/backends/openssl/backend.py b/src/cryptography/hazmat/backends/openssl/backend.py index ca1aafe0..c0b3afe0 100644 --- a/src/cryptography/hazmat/backends/openssl/backend.py +++ b/src/cryptography/hazmat/backends/openssl/backend.py @@ -1914,6 +1914,9 @@ class Backend(object): evp_pkey = backend._lib.d2i_PrivateKey_bio(bio.bio, self._ffi.NULL) self.openssl_assert(evp_pkey != self._ffi.NULL) evp_pkey = self._ffi.gc(evp_pkey, self._lib.EVP_PKEY_free) + self.openssl_assert( + self._lib.EVP_PKEY_id(evp_pkey) == self._lib.EVP_PKEY_X25519 + ) return _X25519PrivateKey(self, evp_pkey) def x25519_generate_key(self): diff --git a/src/cryptography/hazmat/bindings/openssl/_conditional.py b/src/cryptography/hazmat/bindings/openssl/_conditional.py index 8bc74c97..b87ae906 100644 --- a/src/cryptography/hazmat/bindings/openssl/_conditional.py +++ b/src/cryptography/hazmat/bindings/openssl/_conditional.py @@ -232,6 +232,7 @@ def cryptography_has_x509_store_ctx_get_issuer(): def cryptography_has_x25519(): return [ + "EVP_PKEY_X25519", "NID_X25519", ] |