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Probe for supported AF_ALG algorithms, register dynamically

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This commit is contained in:
Martin Willi
2010-12-20 10:09:20 +01:00
parent 4ee5d97d57
commit 23a737eb29
10 changed files with 212 additions and 161 deletions
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src/libstrongswan/plugins/af_alg/af_alg_hasher.c
+37 -13
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@@ -39,24 +39,48 @@ struct private_af_alg_hasher_t {
size_t size;
};
/**
* Algorithm database
*/
static struct {
hash_algorithm_t id;
char *name;
size_t size;
} algs[] = {
{HASH_SHA1, "sha1", HASH_SIZE_SHA1 },
{HASH_MD5, "md5", HASH_SIZE_MD5 },
{HASH_SHA224, "sha224", HASH_SIZE_SHA224 },
{HASH_SHA256, "sha256", HASH_SIZE_SHA256 },
{HASH_SHA384, "sha384", HASH_SIZE_SHA384 },
{HASH_SHA512, "sha512", HASH_SIZE_SHA512 },
{HASH_MD4, "md4", HASH_SIZE_MD4 },
};
/**
* See header.
*/
void af_alg_hasher_probe()
{
af_alg_ops_t *ops;
int i;
for (i = 0; i < countof(algs); i++)
{
ops = af_alg_ops_create("hash", algs[i].name);
if (ops)
{
ops->destroy(ops);
lib->crypto->add_hasher(lib->crypto, algs[i].id, "af_alg",
(hasher_constructor_t)af_alg_hasher_create);
}
}
}
/**
* Get the kernel algorithm string and hash size for our identifier
*/
static size_t lookup_alg(hash_algorithm_t algo, char **name)
{
static struct {
hash_algorithm_t id;
char *name;
size_t size;
} algs[] = {
{HASH_MD4 , "md4", HASH_SIZE_MD4 },
{HASH_MD5 , "md5", HASH_SIZE_MD5 },
{HASH_SHA1, "sha1", HASH_SIZE_SHA1 },
{HASH_SHA224, "sha224", HASH_SIZE_SHA224 },
{HASH_SHA256, "sha256", HASH_SIZE_SHA256 },
{HASH_SHA384, "sha384", HASH_SIZE_SHA384 },
{HASH_SHA512, "sha512", HASH_SIZE_SHA512 },
};
int i;
for (i = 0; i < countof(algs); i++)