update to python fastpi
This commit is contained in:
Iliyan Angelov
@@ -0,0 +1,3 @@
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# This file is dual licensed under the terms of the Apache License, Version
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# 2.0, and the BSD License. See the LICENSE file in the root of this repository
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# for complete details.
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@@ -0,0 +1,329 @@
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# This file is dual licensed under the terms of the Apache License, Version
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# 2.0, and the BSD License. See the LICENSE file in the root of this repository
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# for complete details.
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from __future__ import annotations
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import typing
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def cryptography_has_set_cert_cb() -> typing.List[str]:
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return [
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"SSL_CTX_set_cert_cb",
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"SSL_set_cert_cb",
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]
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def cryptography_has_ssl_st() -> typing.List[str]:
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return [
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"SSL_ST_BEFORE",
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"SSL_ST_OK",
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"SSL_ST_INIT",
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"SSL_ST_RENEGOTIATE",
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]
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def cryptography_has_tls_st() -> typing.List[str]:
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return [
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"TLS_ST_BEFORE",
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"TLS_ST_OK",
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]
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def cryptography_has_evp_pkey_dhx() -> typing.List[str]:
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return [
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"EVP_PKEY_DHX",
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]
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def cryptography_has_mem_functions() -> typing.List[str]:
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return [
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"Cryptography_CRYPTO_set_mem_functions",
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]
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def cryptography_has_x509_store_ctx_get_issuer() -> typing.List[str]:
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return [
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"X509_STORE_set_get_issuer",
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]
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def cryptography_has_ed448() -> typing.List[str]:
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return [
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"EVP_PKEY_ED448",
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"NID_ED448",
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]
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def cryptography_has_ed25519() -> typing.List[str]:
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return [
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"NID_ED25519",
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"EVP_PKEY_ED25519",
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]
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def cryptography_has_poly1305() -> typing.List[str]:
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return [
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"NID_poly1305",
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"EVP_PKEY_POLY1305",
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]
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def cryptography_has_evp_digestfinal_xof() -> typing.List[str]:
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return [
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"EVP_DigestFinalXOF",
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]
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def cryptography_has_fips() -> typing.List[str]:
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return [
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"FIPS_mode_set",
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"FIPS_mode",
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]
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def cryptography_has_ssl_sigalgs() -> typing.List[str]:
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return [
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"SSL_CTX_set1_sigalgs_list",
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]
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def cryptography_has_psk() -> typing.List[str]:
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return [
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"SSL_CTX_use_psk_identity_hint",
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"SSL_CTX_set_psk_server_callback",
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"SSL_CTX_set_psk_client_callback",
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]
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def cryptography_has_psk_tlsv13() -> typing.List[str]:
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return [
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"SSL_CTX_set_psk_find_session_callback",
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"SSL_CTX_set_psk_use_session_callback",
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"Cryptography_SSL_SESSION_new",
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"SSL_CIPHER_find",
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"SSL_SESSION_set1_master_key",
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"SSL_SESSION_set_cipher",
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"SSL_SESSION_set_protocol_version",
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]
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def cryptography_has_custom_ext() -> typing.List[str]:
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return [
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"SSL_CTX_add_client_custom_ext",
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"SSL_CTX_add_server_custom_ext",
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"SSL_extension_supported",
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]
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def cryptography_has_tlsv13_functions() -> typing.List[str]:
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return [
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"SSL_VERIFY_POST_HANDSHAKE",
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"SSL_CTX_set_ciphersuites",
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"SSL_verify_client_post_handshake",
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"SSL_CTX_set_post_handshake_auth",
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"SSL_set_post_handshake_auth",
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"SSL_SESSION_get_max_early_data",
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"SSL_write_early_data",
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"SSL_read_early_data",
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"SSL_CTX_set_max_early_data",
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]
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def cryptography_has_raw_key() -> typing.List[str]:
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return [
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"EVP_PKEY_new_raw_private_key",
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"EVP_PKEY_new_raw_public_key",
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"EVP_PKEY_get_raw_private_key",
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"EVP_PKEY_get_raw_public_key",
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]
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def cryptography_has_engine() -> typing.List[str]:
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return [
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"ENGINE_by_id",
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"ENGINE_init",
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"ENGINE_finish",
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"ENGINE_get_default_RAND",
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"ENGINE_set_default_RAND",
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"ENGINE_unregister_RAND",
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"ENGINE_ctrl_cmd",
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"ENGINE_free",
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"ENGINE_get_name",
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"ENGINE_ctrl_cmd_string",
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"ENGINE_load_builtin_engines",
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"ENGINE_load_private_key",
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"ENGINE_load_public_key",
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"SSL_CTX_set_client_cert_engine",
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]
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def cryptography_has_verified_chain() -> typing.List[str]:
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return [
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"SSL_get0_verified_chain",
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]
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def cryptography_has_srtp() -> typing.List[str]:
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return [
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"SSL_CTX_set_tlsext_use_srtp",
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"SSL_set_tlsext_use_srtp",
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"SSL_get_selected_srtp_profile",
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]
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def cryptography_has_providers() -> typing.List[str]:
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return [
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"OSSL_PROVIDER_load",
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"OSSL_PROVIDER_unload",
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"ERR_LIB_PROV",
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"PROV_R_WRONG_FINAL_BLOCK_LENGTH",
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"PROV_R_BAD_DECRYPT",
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]
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def cryptography_has_op_no_renegotiation() -> typing.List[str]:
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return [
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"SSL_OP_NO_RENEGOTIATION",
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]
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def cryptography_has_dtls_get_data_mtu() -> typing.List[str]:
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return [
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"DTLS_get_data_mtu",
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]
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def cryptography_has_300_fips() -> typing.List[str]:
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return [
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"EVP_default_properties_is_fips_enabled",
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"EVP_default_properties_enable_fips",
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]
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def cryptography_has_ssl_cookie() -> typing.List[str]:
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return [
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"SSL_OP_COOKIE_EXCHANGE",
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"DTLSv1_listen",
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"SSL_CTX_set_cookie_generate_cb",
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"SSL_CTX_set_cookie_verify_cb",
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]
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def cryptography_has_pkcs7_funcs() -> typing.List[str]:
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return [
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"SMIME_write_PKCS7",
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"PEM_write_bio_PKCS7_stream",
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"PKCS7_sign_add_signer",
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"PKCS7_final",
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"PKCS7_verify",
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"SMIME_read_PKCS7",
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"PKCS7_get0_signers",
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]
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def cryptography_has_bn_flags() -> typing.List[str]:
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return [
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"BN_FLG_CONSTTIME",
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"BN_set_flags",
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"BN_prime_checks_for_size",
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]
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def cryptography_has_evp_pkey_dh() -> typing.List[str]:
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return [
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"EVP_PKEY_set1_DH",
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]
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def cryptography_has_300_evp_cipher() -> typing.List[str]:
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return ["EVP_CIPHER_fetch", "EVP_CIPHER_free"]
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def cryptography_has_unexpected_eof_while_reading() -> typing.List[str]:
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return ["SSL_R_UNEXPECTED_EOF_WHILE_READING"]
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def cryptography_has_pkcs12_set_mac() -> typing.List[str]:
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return ["PKCS12_set_mac"]
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def cryptography_has_ssl_op_ignore_unexpected_eof() -> typing.List[str]:
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return [
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"SSL_OP_IGNORE_UNEXPECTED_EOF",
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]
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def cryptography_has_get_extms_support() -> typing.List[str]:
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return ["SSL_get_extms_support"]
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def cryptography_has_evp_pkey_set_peer_ex() -> typing.List[str]:
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return ["EVP_PKEY_derive_set_peer_ex"]
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def cryptography_has_evp_aead() -> typing.List[str]:
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return [
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"EVP_aead_chacha20_poly1305",
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"EVP_AEAD_CTX_free",
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"EVP_AEAD_CTX_seal",
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"EVP_AEAD_CTX_open",
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"EVP_AEAD_max_overhead",
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"Cryptography_EVP_AEAD_CTX_new",
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]
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# This is a mapping of
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# {condition: function-returning-names-dependent-on-that-condition} so we can
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# loop over them and delete unsupported names at runtime. It will be removed
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# when cffi supports #if in cdef. We use functions instead of just a dict of
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# lists so we can use coverage to measure which are used.
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CONDITIONAL_NAMES = {
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"Cryptography_HAS_SET_CERT_CB": cryptography_has_set_cert_cb,
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"Cryptography_HAS_SSL_ST": cryptography_has_ssl_st,
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"Cryptography_HAS_TLS_ST": cryptography_has_tls_st,
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"Cryptography_HAS_EVP_PKEY_DHX": cryptography_has_evp_pkey_dhx,
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"Cryptography_HAS_MEM_FUNCTIONS": cryptography_has_mem_functions,
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"Cryptography_HAS_X509_STORE_CTX_GET_ISSUER": (
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cryptography_has_x509_store_ctx_get_issuer
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),
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"Cryptography_HAS_ED448": cryptography_has_ed448,
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"Cryptography_HAS_ED25519": cryptography_has_ed25519,
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"Cryptography_HAS_POLY1305": cryptography_has_poly1305,
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"Cryptography_HAS_FIPS": cryptography_has_fips,
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"Cryptography_HAS_SIGALGS": cryptography_has_ssl_sigalgs,
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"Cryptography_HAS_PSK": cryptography_has_psk,
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"Cryptography_HAS_PSK_TLSv1_3": cryptography_has_psk_tlsv13,
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"Cryptography_HAS_CUSTOM_EXT": cryptography_has_custom_ext,
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"Cryptography_HAS_TLSv1_3_FUNCTIONS": cryptography_has_tlsv13_functions,
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"Cryptography_HAS_RAW_KEY": cryptography_has_raw_key,
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"Cryptography_HAS_EVP_DIGESTFINAL_XOF": (
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cryptography_has_evp_digestfinal_xof
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),
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"Cryptography_HAS_ENGINE": cryptography_has_engine,
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"Cryptography_HAS_VERIFIED_CHAIN": cryptography_has_verified_chain,
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"Cryptography_HAS_SRTP": cryptography_has_srtp,
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"Cryptography_HAS_PROVIDERS": cryptography_has_providers,
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"Cryptography_HAS_OP_NO_RENEGOTIATION": (
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cryptography_has_op_no_renegotiation
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),
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"Cryptography_HAS_DTLS_GET_DATA_MTU": cryptography_has_dtls_get_data_mtu,
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"Cryptography_HAS_300_FIPS": cryptography_has_300_fips,
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"Cryptography_HAS_SSL_COOKIE": cryptography_has_ssl_cookie,
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"Cryptography_HAS_PKCS7_FUNCS": cryptography_has_pkcs7_funcs,
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"Cryptography_HAS_BN_FLAGS": cryptography_has_bn_flags,
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"Cryptography_HAS_EVP_PKEY_DH": cryptography_has_evp_pkey_dh,
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"Cryptography_HAS_300_EVP_CIPHER": cryptography_has_300_evp_cipher,
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"Cryptography_HAS_UNEXPECTED_EOF_WHILE_READING": (
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cryptography_has_unexpected_eof_while_reading
|
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),
|
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"Cryptography_HAS_PKCS12_SET_MAC": cryptography_has_pkcs12_set_mac,
|
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"Cryptography_HAS_SSL_OP_IGNORE_UNEXPECTED_EOF": (
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cryptography_has_ssl_op_ignore_unexpected_eof
|
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),
|
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"Cryptography_HAS_GET_EXTMS_SUPPORT": cryptography_has_get_extms_support,
|
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"Cryptography_HAS_EVP_PKEY_SET_PEER_EX": (
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cryptography_has_evp_pkey_set_peer_ex
|
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),
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"Cryptography_HAS_EVP_AEAD": (cryptography_has_evp_aead),
|
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}
|
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@@ -0,0 +1,179 @@
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# This file is dual licensed under the terms of the Apache License, Version
|
||||
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
|
||||
# for complete details.
|
||||
|
||||
from __future__ import annotations
|
||||
|
||||
import os
|
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import sys
|
||||
import threading
|
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import types
|
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import typing
|
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import warnings
|
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|
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import cryptography
|
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from cryptography.exceptions import InternalError
|
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from cryptography.hazmat.bindings._rust import _openssl, openssl
|
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from cryptography.hazmat.bindings.openssl._conditional import CONDITIONAL_NAMES
|
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|
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|
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def _openssl_assert(
|
||||
lib,
|
||||
ok: bool,
|
||||
errors: typing.Optional[typing.List[openssl.OpenSSLError]] = None,
|
||||
) -> None:
|
||||
if not ok:
|
||||
if errors is None:
|
||||
errors = openssl.capture_error_stack()
|
||||
|
||||
raise InternalError(
|
||||
"Unknown OpenSSL error. This error is commonly encountered when "
|
||||
"another library is not cleaning up the OpenSSL error stack. If "
|
||||
"you are using cryptography with another library that uses "
|
||||
"OpenSSL try disabling it before reporting a bug. Otherwise "
|
||||
"please file an issue at https://github.com/pyca/cryptography/"
|
||||
"issues with information on how to reproduce "
|
||||
"this. ({!r})".format(errors),
|
||||
errors,
|
||||
)
|
||||
|
||||
|
||||
def _legacy_provider_error(loaded: bool) -> None:
|
||||
if not loaded:
|
||||
raise RuntimeError(
|
||||
"OpenSSL 3.0's legacy provider failed to load. This is a fatal "
|
||||
"error by default, but cryptography supports running without "
|
||||
"legacy algorithms by setting the environment variable "
|
||||
"CRYPTOGRAPHY_OPENSSL_NO_LEGACY. If you did not expect this error,"
|
||||
" you have likely made a mistake with your OpenSSL configuration."
|
||||
)
|
||||
|
||||
|
||||
def build_conditional_library(
|
||||
lib: typing.Any,
|
||||
conditional_names: typing.Dict[str, typing.Callable[[], typing.List[str]]],
|
||||
) -> typing.Any:
|
||||
conditional_lib = types.ModuleType("lib")
|
||||
conditional_lib._original_lib = lib # type: ignore[attr-defined]
|
||||
excluded_names = set()
|
||||
for condition, names_cb in conditional_names.items():
|
||||
if not getattr(lib, condition):
|
||||
excluded_names.update(names_cb())
|
||||
|
||||
for attr in dir(lib):
|
||||
if attr not in excluded_names:
|
||||
setattr(conditional_lib, attr, getattr(lib, attr))
|
||||
|
||||
return conditional_lib
|
||||
|
||||
|
||||
class Binding:
|
||||
"""
|
||||
OpenSSL API wrapper.
|
||||
"""
|
||||
|
||||
lib: typing.ClassVar = None
|
||||
ffi = _openssl.ffi
|
||||
_lib_loaded = False
|
||||
_init_lock = threading.Lock()
|
||||
_legacy_provider: typing.Any = ffi.NULL
|
||||
_legacy_provider_loaded = False
|
||||
_default_provider: typing.Any = ffi.NULL
|
||||
|
||||
def __init__(self) -> None:
|
||||
self._ensure_ffi_initialized()
|
||||
|
||||
def _enable_fips(self) -> None:
|
||||
# This function enables FIPS mode for OpenSSL 3.0.0 on installs that
|
||||
# have the FIPS provider installed properly.
|
||||
_openssl_assert(self.lib, self.lib.CRYPTOGRAPHY_OPENSSL_300_OR_GREATER)
|
||||
self._base_provider = self.lib.OSSL_PROVIDER_load(
|
||||
self.ffi.NULL, b"base"
|
||||
)
|
||||
_openssl_assert(self.lib, self._base_provider != self.ffi.NULL)
|
||||
self.lib._fips_provider = self.lib.OSSL_PROVIDER_load(
|
||||
self.ffi.NULL, b"fips"
|
||||
)
|
||||
_openssl_assert(self.lib, self.lib._fips_provider != self.ffi.NULL)
|
||||
|
||||
res = self.lib.EVP_default_properties_enable_fips(self.ffi.NULL, 1)
|
||||
_openssl_assert(self.lib, res == 1)
|
||||
|
||||
@classmethod
|
||||
def _ensure_ffi_initialized(cls) -> None:
|
||||
with cls._init_lock:
|
||||
if not cls._lib_loaded:
|
||||
cls.lib = build_conditional_library(
|
||||
_openssl.lib, CONDITIONAL_NAMES
|
||||
)
|
||||
cls._lib_loaded = True
|
||||
# As of OpenSSL 3.0.0 we must register a legacy cipher provider
|
||||
# to get RC2 (needed for junk asymmetric private key
|
||||
# serialization), RC4, Blowfish, IDEA, SEED, etc. These things
|
||||
# are ugly legacy, but we aren't going to get rid of them
|
||||
# any time soon.
|
||||
if cls.lib.CRYPTOGRAPHY_OPENSSL_300_OR_GREATER:
|
||||
if not os.environ.get("CRYPTOGRAPHY_OPENSSL_NO_LEGACY"):
|
||||
cls._legacy_provider = cls.lib.OSSL_PROVIDER_load(
|
||||
cls.ffi.NULL, b"legacy"
|
||||
)
|
||||
cls._legacy_provider_loaded = (
|
||||
cls._legacy_provider != cls.ffi.NULL
|
||||
)
|
||||
_legacy_provider_error(cls._legacy_provider_loaded)
|
||||
|
||||
cls._default_provider = cls.lib.OSSL_PROVIDER_load(
|
||||
cls.ffi.NULL, b"default"
|
||||
)
|
||||
_openssl_assert(
|
||||
cls.lib, cls._default_provider != cls.ffi.NULL
|
||||
)
|
||||
|
||||
@classmethod
|
||||
def init_static_locks(cls) -> None:
|
||||
cls._ensure_ffi_initialized()
|
||||
|
||||
|
||||
def _verify_package_version(version: str) -> None:
|
||||
# Occasionally we run into situations where the version of the Python
|
||||
# package does not match the version of the shared object that is loaded.
|
||||
# This may occur in environments where multiple versions of cryptography
|
||||
# are installed and available in the python path. To avoid errors cropping
|
||||
# up later this code checks that the currently imported package and the
|
||||
# shared object that were loaded have the same version and raise an
|
||||
# ImportError if they do not
|
||||
so_package_version = _openssl.ffi.string(
|
||||
_openssl.lib.CRYPTOGRAPHY_PACKAGE_VERSION
|
||||
)
|
||||
if version.encode("ascii") != so_package_version:
|
||||
raise ImportError(
|
||||
"The version of cryptography does not match the loaded "
|
||||
"shared object. This can happen if you have multiple copies of "
|
||||
"cryptography installed in your Python path. Please try creating "
|
||||
"a new virtual environment to resolve this issue. "
|
||||
"Loaded python version: {}, shared object version: {}".format(
|
||||
version, so_package_version
|
||||
)
|
||||
)
|
||||
|
||||
_openssl_assert(
|
||||
_openssl.lib,
|
||||
_openssl.lib.OpenSSL_version_num() == openssl.openssl_version(),
|
||||
)
|
||||
|
||||
|
||||
_verify_package_version(cryptography.__version__)
|
||||
|
||||
Binding.init_static_locks()
|
||||
|
||||
if (
|
||||
sys.platform == "win32"
|
||||
and os.environ.get("PROCESSOR_ARCHITEW6432") is not None
|
||||
):
|
||||
warnings.warn(
|
||||
"You are using cryptography on a 32-bit Python on a 64-bit Windows "
|
||||
"Operating System. Cryptography will be significantly faster if you "
|
||||
"switch to using a 64-bit Python.",
|
||||
UserWarning,
|
||||
stacklevel=2,
|
||||
)
|
||||
Reference in New Issue
Block a user