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openssl: Add default fallback when calculating fingerprints of RSA keys 

We still try to calculate these directly as it can avoid a dependency on
the pkcs1 or other plugins.  But for e.g. PGPv3 keys we need to delegate the
actual fingerprint calculation to the pgp plugin.
This commit is contained in:
Tobias Brunner 2014-03-14 17:33:22 +01:00 committed by Andreas Steffen
parent 22e1aa51f9
commit 01632eccf3
1 changed files with 15 additions and 1 deletions
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16
src/libstrongswan/plugins/openssl/openssl_rsa_public_key.c
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@ -222,7 +222,21 @@ bool openssl_rsa_fingerprint(RSA *rsa, cred_encoding_type_t type, chunk_t *fp)
i2d_RSA_PUBKEY(rsa, &p);
break;
default:
return FALSE;
{
chunk_t n = chunk_empty, e = chunk_empty;
bool success = FALSE;
if (openssl_bn2chunk(rsa->n, &n) &&
openssl_bn2chunk(rsa->e, &e))
{
success = lib->encoding->encode(lib->encoding, type, rsa, fp,
CRED_PART_RSA_MODULUS, n,
CRED_PART_RSA_PUB_EXP, e, CRED_PART_END);
}
chunk_free(&n);
chunk_free(&e);
return success;
}
}
hasher = lib->crypto->create_hasher(lib->crypto, HASH_SHA1);
if (!hasher || !hasher->allocate_hash(hasher, key, fp))