diff options
| author | Andre Caron <andre.l.caron@gmail.com> | 2015-05-31 23:06:53 -0400 |
|---|---|---|
| committer | Ian Cordasco <graffatcolmingov@gmail.com> | 2015-06-24 13:35:49 -0500 |
| commit | ce02de706e4ec0a3945240096d4fd4d92478effe (patch) | |
| tree | b63667569bbbdda255c208deadfd10fce5d99981 /src | |
| parent | dafd5c28b9d512547be1018db08b2d3a815a76b4 (diff) | |
| download | cryptography-ce02de706e4ec0a3945240096d4fd4d92478effe.tar.gz cryptography-ce02de706e4ec0a3945240096d4fd4d92478effe.tar.bz2 cryptography-ce02de706e4ec0a3945240096d4fd4d92478effe.zip | |
Extends supported range for integer conversion,
Diffstat (limited to 'src')
| -rw-r--r-- | src/cryptography/hazmat/backends/openssl/backend.py | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/cryptography/hazmat/backends/openssl/backend.py b/src/cryptography/hazmat/backends/openssl/backend.py index c509ddb3..70ed25d6 100644 --- a/src/cryptography/hazmat/backends/openssl/backend.py +++ b/src/cryptography/hazmat/backends/openssl/backend.py @@ -64,8 +64,15 @@ def _encode_asn1_int(backend, x): discarded after use. """ - i = backend._lib.ASN1_INTEGER_new() - backend._lib.ASN1_INTEGER_set(i, x) + # Convert Python integer to OpenSSL "bignum" in case value exceeds + # machine's native integer limits (note: `int_to_bn` doesn't automatically + # GC). + i = backend._int_to_bn(x) + i = backend._ffi.gc(i, backend._lib.BN_free) + + # Wrap in a ASN.1 integer. Don't GC -- as documented. + i = backend._lib.BN_to_ASN1_INTEGER(i, backend._ffi.NULL) + assert i != backend._ffi.NULL return i |