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Add a return value to crypter_t.decrypt()

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This commit is contained in:
Martin Willi
2012-07-16 14:53:38 +02:00
parent e35abbe588
commit 3b96189a2a
17 changed files with 72 additions and 35 deletions
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src/libstrongswan/plugins/gcrypt/gcrypt_crypter.c
+8 -8
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@@ -70,20 +70,20 @@ static bool set_iv(private_gcrypt_crypter_t *this, chunk_t iv)
return gcry_cipher_setiv(this->h, iv.ptr, iv.len) == 0;
}
METHOD(crypter_t, decrypt, void,
METHOD(crypter_t, decrypt, bool,
private_gcrypt_crypter_t *this, chunk_t data, chunk_t iv, chunk_t *dst)
{
set_iv(this, iv);
if (!set_iv(this, iv))
{
return FALSE;
}
if (dst)
{
*dst = chunk_alloc(data.len);
gcry_cipher_decrypt(this->h, dst->ptr, dst->len, data.ptr, data.len);
}
else
{
gcry_cipher_decrypt(this->h, data.ptr, data.len, NULL, 0);
return gcry_cipher_decrypt(this->h, dst->ptr, dst->len,
data.ptr, data.len) == 0;
}
return gcry_cipher_decrypt(this->h, data.ptr, data.len, NULL, 0) == 0;
}
METHOD(crypter_t, encrypt, bool,