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| author | Tobias Brunner <tobias@strongswan.org> | 2013-08-15 12:29:06 +0200 |
|---|---|---|
| committer | Tobias Brunner <tobias@strongswan.org> | 2013-09-13 15:23:49 +0200 |
| commit | b5cc7053c83285181b0ee7ea0f13bed3431d9fd0 (patch) | |
| tree | 91a8fad57409cda8717012f1e8b57d0c3000e155 /src/libstrongswan/plugins/openssl/openssl_util.h | |
| parent | a3232fa802b08447d3fb9534da5342992eee5337 (diff) | |
| download | strongswan-b5cc7053c83285181b0ee7ea0f13bed3431d9fd0.tar.bz2 strongswan-b5cc7053c83285181b0ee7ea0f13bed3431d9fd0.tar.xz | |
openssl: Add helper function to convert BIGNUMs to chunks
Diffstat (limited to 'src/libstrongswan/plugins/openssl/openssl_util.h')
| -rw-r--r-- | src/libstrongswan/plugins/openssl/openssl_util.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/libstrongswan/plugins/openssl/openssl_util.h b/src/libstrongswan/plugins/openssl/openssl_util.h index 25c692a1a..ce2a9e109 100644 --- a/src/libstrongswan/plugins/openssl/openssl_util.h +++ b/src/libstrongswan/plugins/openssl/openssl_util.h @@ -66,6 +66,15 @@ bool openssl_bn_cat(int len, BIGNUM *a, BIGNUM *b, chunk_t *chunk); */ bool openssl_bn_split(chunk_t chunk, BIGNUM *a, BIGNUM *b); +/** + * Exports the given bignum (assumed to be a positive number) to a chunk in + * two's complement format (i.e. a zero byte is added if the MSB is set). + * + * @param bn the BIGNUM to export + * @param chunk the chunk (data gets allocated) + * @return TRUE on success, FALSE otherwise + */ +bool openssl_bn2chunk(BIGNUM *bn, chunk_t *chunk); /** * Allocate a chunk using the i2d function of a given object |