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(parse_rsa_private_key): Implement enought for testing.

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@17133 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2006-04-21 13:26:11 +00:00
parent 5c59fc96ca
commit 95b95b5581
1 changed files with 45 additions and 1 deletions
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46
lib/hx509/ks_file.c
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@@ -134,6 +134,11 @@ parse_rsa_private_key(hx509_context context, struct hx509_collector *c,
if (enc) {
const char *dek;
char *type, *iv;
ssize_t ssize, size;
void *ivdata;
const EVP_CIPHER *cipher;
void *key = "foobar";
size_t keylen = 6;
if (strcmp(enc, "4,ENCRYPTED") != 0)
return EINVAL;
@@ -153,8 +158,44 @@ parse_rsa_private_key(hx509_context context, struct hx509_collector *c,
/* printf("type: %s iv: %s\n", type, iv); */
/* XXX handle use EVP_BytesToKey() and decrypt */
size = strlen(iv);
ivdata = malloc(size);
if (ivdata == NULL) {
free(type);
return ENOMEM;
}
cipher = EVP_aes_256_cbc();
#define PKCS5_SALT_LEN 8
ssize = hex_decode(iv, ivdata, size);
if (ssize < 0 || ssize < PKCS5_SALT_LEN || ssize < EVP_CIPHER_iv_length(cipher)) {
free(ivdata);
free(type);
return EINVAL;
}
ret = EVP_BytesToKey(cipher, EVP_md5(), ivdata, key, keylen,
1, key, NULL);
free(type);
return EINVAL;
if (ret != 1) {
free(ivdata);
return EINVAL;
}
keydata.data = malloc(len);
keydata.length = len;
{
EVP_CIPHER_CTX ctx;
EVP_CIPHER_CTX_init(&ctx);
EVP_CipherInit_ex(&ctx, cipher, NULL, key, ivdata, 0);
EVP_Cipher(&ctx, keydata.data, data, len);
EVP_CIPHER_CTX_cleanup(&ctx);
}
free(ivdata);
} else {
keydata.data = rk_UNCONST(data);
keydata.length = len;
@@ -165,6 +206,9 @@ parse_rsa_private_key(hx509_context context, struct hx509_collector *c,
NULL,
&keydata,
NULL);
if (keydata.data != data)
free(keydata.data);
return ret;
}