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pluto aborts if no SHA-1 and MD5 hashers are present

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This commit is contained in:
Andreas Steffen 2009-05-15 15:23:16 +02:00
parent d43cfda7dd
commit b73c5526da
1 changed files with 42 additions and 29 deletions
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71
src/pluto/crypto.c
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@ -59,7 +59,49 @@ void init_crypto(void)
enumerator_t *enumerator; enumerator_t *enumerator;
encryption_algorithm_t encryption_alg; encryption_algorithm_t encryption_alg;
hash_algorithm_t hash_alg; hash_algorithm_t hash_alg;
bool no_md5 = TRUE;
bool no_sha1 = TRUE;
enumerator = lib->crypto->create_hasher_enumerator(lib->crypto);
while (enumerator->enumerate(enumerator, &hash_alg))
{
const struct hash_desc *desc;
switch (hash_alg)
{
case HASH_SHA1:
desc = &hash_desc_sha1;
no_sha1 = FALSE;
break;
case HASH_SHA256:
desc = &hash_desc_sha2_256;
break;
case HASH_SHA384:
desc = &hash_desc_sha2_384;
break;
case HASH_SHA512:
desc = &hash_desc_sha2_512;
break;
case HASH_MD5:
desc = &hash_desc_md5;
no_md5 = FALSE;
break;
default:
continue;
}
ike_alg_add((struct ike_alg *)desc);
}
enumerator->destroy(enumerator);
if (no_sha1)
{
exit_log("pluto cannot run without a SHA-1 hasher");
}
if (no_md5)
{
exit_log("pluto cannot run without an MD5 hasher");
}
enumerator = lib->crypto->create_crypter_enumerator(lib->crypto); enumerator = lib->crypto->create_crypter_enumerator(lib->crypto);
while (enumerator->enumerate(enumerator, &encryption_alg)) while (enumerator->enumerate(enumerator, &encryption_alg))
{ {
@ -90,35 +132,6 @@ void init_crypto(void)
} }
enumerator->destroy(enumerator); enumerator->destroy(enumerator);
enumerator = lib->crypto->create_hasher_enumerator(lib->crypto);
while (enumerator->enumerate(enumerator, &hash_alg))
{
const struct hash_desc *desc;
switch (hash_alg)
{
case HASH_SHA1:
desc = &hash_desc_sha1;
break;
case HASH_SHA256:
desc = &hash_desc_sha2_256;
break;
case HASH_SHA384:
desc = &hash_desc_sha2_384;
break;
case HASH_SHA512:
desc = &hash_desc_sha2_512;
break;
case HASH_MD5:
desc = &hash_desc_md5;
break;
default:
continue;
}
ike_alg_add((struct ike_alg *)desc);
}
enumerator->destroy(enumerator);
if (mpz_init_set_str(&groupgenerator, MODP_GENERATOR, 10) != 0 if (mpz_init_set_str(&groupgenerator, MODP_GENERATOR, 10) != 0
|| mpz_init_set_str(&modp1024_modulus, MODP1024_MODULUS, 16) != 0 || mpz_init_set_str(&modp1024_modulus, MODP1024_MODULUS, 16) != 0
|| mpz_init_set_str(&modp1536_modulus, MODP1536_MODULUS, 16) != 0 || mpz_init_set_str(&modp1536_modulus, MODP1536_MODULUS, 16) != 0