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Þ'¯°ÌME[YéïĵÂCå½ Ué©Áû'Ê9%eÔðNU”ë‘ÌsD3/®+UI˜9h.WC”빓$#:pz:YÓ ¿xž* ³$Í +$kñAŠ‹†¢ Uê>¸)_š¬÷©ßAÂÔb9ÇU ¯¾á•9¯ÏÏ÷O÷¼¼Fähal1‰3Ì[Ïr•´UCksNÐ] R‘¸¥H+§Šé†c©vÖÞ0iÓ76s†î!§=ß ¼~Ô'°Ãmäoäš³ªøi1úÉ)³yV8 CLÄØÁ‘WYïi€H6ÖÑiámø^ÈY´°Ñ7¥Û*—Ñ©L«Qƒï—Ùrÿ ›£Ð*š¸ˆL©ˆ$ˆ ÷¾D§9È®«qbqC)–ˆïv´çñsÑVT­Ø, <àïºÀO«Jý·õ àfPìð .wFšir´þ’2_Y *Æ€x\« ì€9š@ Ž|F⇥ˆkZ@hÖÄ0t¿-<“‹qµ¾*ZL¤Ú)&BJpÓF5=$„at*Zš$’ÑtdûÝRI1 2Ž‰$€$I$#‰SÞ’Hë¬ï;Á$¡t$’`<(ñÇt)$‡Ð.Êf¢X’Kt=Éé$‚ˆªè¢oÝëòI%Rgcª÷ŠyI%¡‰ÿ !ñ)´õ $¤ Ô’IIGÿÙ# coding: utf-8 from __future__ import unicode_literals, division, absolute_import, print_function import re from .. import _backend_config from .._errors import pretty_message from .._ffi import get_library, register_ffi from ..errors import LibraryNotFoundError from cffi import FFI __all__ = [ 'is_libressl', 'libcrypto', 'libressl_version', 'libressl_version_info', 'version', 'version_info', ] libcrypto_path = _backend_config().get('libcrypto_path') if libcrypto_path is None: libcrypto_path = get_library('crypto', 'libcrypto.dylib', '42') if not libcrypto_path: raise LibraryNotFoundError('The library libcrypto could not be found') try: vffi = FFI() vffi.cdef("const char *SSLeay_version(int type);") version_string = vffi.string(vffi.dlopen(libcrypto_path).SSLeay_version(0)).decode('utf-8') except (AttributeError): vffi = FFI() vffi.cdef("const char *OpenSSL_version(int type);") version_string = vffi.string(vffi.dlopen(libcrypto_path).OpenSSL_version(0)).decode('utf-8') is_libressl = 'LibreSSL' in version_string version_match = re.search('\\b(\\d+\\.\\d+\\.\\d+[a-z]*)\\b', version_string) if not version_match: version_match = re.search('(?<=LibreSSL )(\\d+\\.\\d+(\\.\\d+)?)\\b', version_string) if not version_match: raise LibraryNotFoundError('Error detecting the version of libcrypto') version = version_match.group(1) version_parts = re.sub('(\\d+)([a-z]+)', '\\1.\\2', version).split('.') version_info = tuple(int(part) if part.isdigit() else part for part in version_parts) # LibreSSL is compatible with libcrypto from OpenSSL 1.0.1 libressl_version = '' libressl_version_info = tuple() if is_libressl: libressl_version = version libressl_version_info = version_info version = '1.0.1' version_info = (1, 0, 1) ffi = FFI() libcrypto = ffi.dlopen(libcrypto_path) register_ffi(libcrypto, ffi) if version_info < (0, 9, 8): raise LibraryNotFoundError(pretty_message( ''' OpenSSL versions older than 0.9.8 are not supported - found version %s ''', version )) if version_info < (1, 1): ffi.cdef(""" void ERR_load_crypto_strings(void); void ERR_free_strings(void); """) if version_info >= (3, ): ffi.cdef(""" typedef ... OSSL_LIB_CTX; typedef ... OSSL_PROVIDER; int OSSL_PROVIDER_available(OSSL_LIB_CTX *libctx, const char *name); OSSL_PROVIDER *OSSL_PROVIDER_load(OSSL_LIB_CTX *libctx, const char *name); """) # The typedef uintptr_t lines here allow us to check for a NULL pointer, # without having to redefine the structs in our code. This is kind of a hack, # but it should cause problems since we treat these as opaque. ffi.cdef(""" typedef ... EVP_MD; typedef uintptr_t EVP_CIPHER_CTX; typedef ... EVP_CIPHER; typedef ... ENGINE; typedef uintptr_t EVP_PKEY; typedef uintptr_t X509; typedef uintptr_t DH; typedef uintptr_t RSA; typedef uintptr_t DSA; typedef uintptr_t EC_KEY; typedef ... EVP_MD_CTX; typedef ... EVP_PKEY_CTX; typedef ... BN_GENCB; typedef ... BIGNUM; unsigned long ERR_get_error(void); char *ERR_error_string(unsigned long e, char *buf); unsigned long ERR_peek_error(void); void OPENSSL_config(const char *config_name); EVP_CIPHER_CTX *EVP_CIPHER_CTX_new(void); void EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *ctx); int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen); int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *x, int padding); int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr); const EVP_CIPHER *EVP_aes_128_cbc(void); const EVP_CIPHER *EVP_aes_192_cbc(void); const EVP_CIPHER *EVP_aes_256_cbc(void); const EVP_CIPHER *EVP_des_cbc(void); const EVP_CIPHER *EVP_des_ede_cbc(void); const EVP_CIPHER *EVP_des_ede3_cbc(void); const EVP_CIPHER *EVP_rc4(void); const EVP_CIPHER *EVP_rc2_cbc(void); int EVP_EncryptInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher, ENGINE *impl, const char *key, const char *iv); int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, char *out, int *outl, const char *in, int inl); int EVP_EncryptFinal_ex(EVP_CIPHER_CTX *ctx, char *out, int *outl); int EVP_DecryptInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher, ENGINE *impl, const char *key, const char *iv); int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, char *out, int *outl, const char *in, int inl); int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, char *out, int *outl); EVP_PKEY *d2i_AutoPrivateKey(EVP_PKEY **a, const char **pp, long length); EVP_PKEY *d2i_PUBKEY(EVP_PKEY **a, const char **pp, long length); int i2d_PUBKEY(EVP_PKEY *a, char **pp); void EVP_PKEY_free(EVP_PKEY *key); X509 *d2i_X509(X509 **px, const char **in, int len); int i2d_X509(X509 *x, char **out); EVP_PKEY *X509_get_pubkey(X509 *x); void X509_free(X509 *a); RSA *EVP_PKEY_get1_RSA(EVP_PKEY *pkey); void RSA_free(RSA *r); int RSA_public_encrypt(int flen, const char *from, char *to, RSA *rsa, int padding); int RSA_private_encrypt(int flen, const char *from, char *to, RSA *rsa, int padding); int RSA_public_decrypt(int flen, const char *from, char *to, RSA *rsa, int padding); int RSA_private_decrypt(int flen, const char *from, char *to, RSA *rsa, int padding); int EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *d, unsigned int cnt); const EVP_MD *EVP_md5(void); const EVP_MD *EVP_sha1(void); const EVP_MD *EVP_sha224(void); const EVP_MD *EVP_sha256(void); const EVP_MD *EVP_sha384(void); const EVP_MD *EVP_sha512(void); int PKCS12_key_gen_uni(char *pass, int passlen, char *salt, int saltlen, int id, int iter, int n, char *out, const EVP_MD *md_type); void BN_free(BIGNUM *a); int BN_dec2bn(BIGNUM **a, const char *str); DH *DH_new(void); int DH_generate_parameters_ex(DH *dh, int prime_len, int generator, BN_GENCB *cb); int i2d_DHparams(const DH *a, char **pp); void DH_free(DH *dh); RSA *RSA_new(void); int RSA_generate_key_ex(RSA *rsa, int bits, BIGNUM *e, BN_GENCB *cb); int i2d_RSAPublicKey(RSA *a, char **pp); int i2d_RSAPrivateKey(RSA *a, char **pp); DSA *DSA_new(void); int DSA_generate_parameters_ex(DSA *dsa, int bits, const char *seed, int seed_len, int *counter_ret, unsigned long *h_ret, BN_GENCB *cb); int DSA_generate_key(DSA *a); int i2d_DSA_PUBKEY(const DSA *a, char **pp); int i2d_DSAPrivateKey(const DSA *a, char **pp); void DSA_free(DSA *dsa); EC_KEY *EC_KEY_new_by_curve_name(int nid); int EC_KEY_generate_key(EC_KEY *key); void EC_KEY_set_asn1_flag(EC_KEY *, int); int i2d_ECPrivateKey(EC_KEY *key, char **out); int i2o_ECPublicKey(EC_KEY *key, char **out); void EC_KEY_free(EC_KEY *key); """) if version_info < (3, ): ffi.cdef(""" int EVP_PKEY_size(EVP_PKEY *pkey); """) else: ffi.cdef(""" int EVP_PKEY_get_size(EVP_PKEY *pkey); """) if version_info < (1, 1): ffi.cdef(""" EVP_MD_CTX *EVP_MD_CTX_create(void); void EVP_MD_CTX_destroy(EVP_MD_CTX *ctx); """) else: ffi.cdef(""" EVP_MD_CTX *EVP_MD_CTX_new(void); void EVP_MD_CTX_free(EVP_MD_CTX *ctx); """) if version_info < (1,): ffi.cdef(""" typedef ... *DSA_SIG; typedef ... *ECDSA_SIG; DSA_SIG *DSA_do_sign(const char *dgst, int dlen, DSA *dsa); ECDSA_SIG *ECDSA_do_sign(const char *dgst, int dgst_len, EC_KEY *eckey); DSA_SIG *d2i_DSA_SIG(DSA_SIG **v, const char **pp, long length); ECDSA_SIG *d2i_ECDSA_SIG(ECDSA_SIG **v, const char **pp, long len); int i2d_DSA_SIG(const DSA_SIG *a, char **pp); int i2d_ECDSA_SIG(const ECDSA_SIG *a, char **pp); int DSA_do_verify(const char *dgst, int dgst_len, DSA_SIG *sig, DSA *dsa); int ECDSA_do_verify(const char *dgst, int dgst_len, const ECDSA_SIG *sig, EC_KEY *eckey); void DSA_SIG_free(DSA_SIG *a); void ECDSA_SIG_free(ECDSA_SIG *a); DSA *EVP_PKEY_get1_DSA(EVP_PKEY *pkey); EC_KEY *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey); int RSA_verify_PKCS1_PSS(RSA *rsa, const char *mHash, const EVP_MD *Hash, const char *EM, int sLen); int RSA_padding_add_PKCS1_PSS(RSA *rsa, char *EM, const char *mHash, const EVP_MD *Hash, int sLen); int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl); int EVP_SignFinal(EVP_MD_CTX *ctx, char *sig, unsigned int *s, EVP_PKEY *pkey); int EVP_VerifyFinal(EVP_MD_CTX *ctx, char *sigbuf, unsigned int siglen, EVP_PKEY *pkey); void EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, int flags); """) else: ffi.cdef(""" int PKCS5_PBKDF2_HMAC(const char *pass, int passlen, const char *salt, int saltlen, int iter, const EVP_MD *digest, int keylen, char *out); int EVP_DigestSignInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx, const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey); int EVP_DigestSignFinal(EVP_MD_CTX *ctx, char *sig, size_t *siglen); int EVP_DigestVerifyInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx, const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey); int EVP_DigestVerifyFinal(EVP_MD_CTX *ctx, const char *sig, size_t siglen); int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype, int cmd, int p1, void *p2); """)