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-rw-r--r--src/_cffi_src/openssl/asn1.py5
-rw-r--r--src/_cffi_src/openssl/x509v3.py1
-rw-r--r--src/cryptography/hazmat/backends/openssl/backend.py13
-rw-r--r--src/cryptography/x509.py4
4 files changed, 23 insertions, 0 deletions
diff --git a/src/_cffi_src/openssl/asn1.py b/src/_cffi_src/openssl/asn1.py
index 44e9de17..96084721 100644
--- a/src/_cffi_src/openssl/asn1.py
+++ b/src/_cffi_src/openssl/asn1.py
@@ -43,6 +43,7 @@ typedef struct asn1_string_st ASN1_IA5STRING;
typedef ... ASN1_BIT_STRING;
typedef ... ASN1_OBJECT;
typedef struct asn1_string_st ASN1_STRING;
+typedef struct asn1_string_st ASN1_UTF8STRING;
typedef ... ASN1_TYPE;
typedef ... ASN1_GENERALIZEDTIME;
typedef ... ASN1_ENUMERATED;
@@ -125,9 +126,13 @@ int ASN1_BIT_STRING_set_bit(ASN1_BIT_STRING *, int, int);
"""
MACROS = """
+ASN1_UTF8STRING *ASN1_UTF8STRING_new(void);
+void ASN1_UTF8STRING_free(ASN1_UTF8STRING *);
+
ASN1_BIT_STRING *ASN1_BIT_STRING_new(void);
void ASN1_BIT_STRING_free(ASN1_BIT_STRING *);
int i2d_ASN1_BIT_STRING(ASN1_BIT_STRING *, unsigned char **);
+int i2d_ASN1_OCTET_STRING(ASN1_OCTET_STRING *, unsigned char **);
/* This is not a macro, but is const on some versions of OpenSSL */
int ASN1_BIT_STRING_get_bit(ASN1_BIT_STRING *, int);
ASN1_TIME *M_ASN1_TIME_dup(void *);
diff --git a/src/_cffi_src/openssl/x509v3.py b/src/_cffi_src/openssl/x509v3.py
index 6e35dacc..84e49640 100644
--- a/src/_cffi_src/openssl/x509v3.py
+++ b/src/_cffi_src/openssl/x509v3.py
@@ -279,6 +279,7 @@ void sk_ASN1_INTEGER_free(Cryptography_STACK_OF_ASN1_INTEGER *);
int sk_ASN1_INTEGER_num(Cryptography_STACK_OF_ASN1_INTEGER *);
ASN1_INTEGER *sk_ASN1_INTEGER_value(Cryptography_STACK_OF_ASN1_INTEGER *, int);
int sk_ASN1_INTEGER_push(Cryptography_STACK_OF_ASN1_INTEGER *, ASN1_INTEGER *);
+Cryptography_STACK_OF_ASN1_INTEGER *sk_ASN1_INTEGER_new_null(void);
X509_EXTENSION *X509V3_EXT_i2d(int, int, void *);
diff --git a/src/cryptography/hazmat/backends/openssl/backend.py b/src/cryptography/hazmat/backends/openssl/backend.py
index 2752d98d..fdd38fa3 100644
--- a/src/cryptography/hazmat/backends/openssl/backend.py
+++ b/src/cryptography/hazmat/backends/openssl/backend.py
@@ -254,6 +254,17 @@ def _encode_subject_alt_name(backend, san):
return pp, r
+def _encode_subject_key_identifier(backend, ski):
+ asn1_str = _encode_asn1_str_gc(backend, ski.digest, len(ski.digest))
+ pp = backend._ffi.new("unsigned char **")
+ r = backend._lib.i2d_ASN1_OCTET_STRING(asn1_str, pp)
+ assert r > 0
+ pp = backend._ffi.gc(
+ pp, lambda pointer: backend._lib.OPENSSL_free(pointer[0])
+ )
+ return pp, r
+
+
def _encode_general_name(backend, name):
if isinstance(name, x509.DNSName):
gn = backend._lib.GENERAL_NAME_new()
@@ -1235,6 +1246,8 @@ class Backend(object):
pp, r = _encode_extended_key_usage(self, extension.value)
elif isinstance(extension.value, x509.SubjectAlternativeName):
pp, r = _encode_subject_alt_name(self, extension.value)
+ elif isinstance(extension.value, x509.SubjectKeyIdentifier):
+ pp, r = _encode_subject_key_identifier(self, extension.value)
elif isinstance(extension.value, x509.AuthorityInformationAccess):
pp, r = _encode_authority_information_access(
self, extension.value
diff --git a/src/cryptography/x509.py b/src/cryptography/x509.py
index 713e92a2..da7603c4 100644
--- a/src/cryptography/x509.py
+++ b/src/cryptography/x509.py
@@ -1824,6 +1824,10 @@ class CertificateBuilder(object):
extension = Extension(
OID_AUTHORITY_INFORMATION_ACCESS, critical, extension
)
+ elif isinstance(extension, SubjectKeyIdentifier):
+ extension = Extension(
+ OID_SUBJECT_KEY_IDENTIFIER, critical, extension
+ )
elif isinstance(extension, InhibitAnyPolicy):
extension = Extension(OID_INHIBIT_ANY_POLICY, critical, extension)
elif isinstance(extension, CRLDistributionPoints):