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Make crypto loading optional

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@6797 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2005-10-16 03:08:58 +00:00
parent 90cfc9e3bc
commit 4803298fe8
4 changed files with 111 additions and 23 deletions
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25
res/res_crypto.c
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@@ -129,7 +129,7 @@ static int pw_cb(char *buf, int size, int rwflag, void *userdata)
return -1;
}
struct ast_key *ast_key_get(char *kname, int ktype)
static struct ast_key *__ast_key_get(const char *kname, int ktype)
{
struct ast_key *key;
ast_mutex_lock(&keylock);
@@ -314,7 +314,7 @@ static char *binary(int y, int len)
#endif
int ast_sign_bin(struct ast_key *key, char *msg, int msglen, unsigned char *dsig)
static int __ast_sign_bin(struct ast_key *key, const char *msg, int msglen, unsigned char *dsig)
{
unsigned char digest[20];
unsigned int siglen = 128;
@@ -345,7 +345,7 @@ int ast_sign_bin(struct ast_key *key, char *msg, int msglen, unsigned char *dsig
}
extern int ast_decrypt_bin(unsigned char *dst, const unsigned char *src, int srclen, struct ast_key *key)
static int __ast_decrypt_bin(unsigned char *dst, const unsigned char *src, int srclen, struct ast_key *key)
{
int res;
int pos = 0;
@@ -371,7 +371,7 @@ extern int ast_decrypt_bin(unsigned char *dst, const unsigned char *src, int src
return pos;
}
extern int ast_encrypt_bin(unsigned char *dst, const unsigned char *src, int srclen, struct ast_key *key)
static int __ast_encrypt_bin(unsigned char *dst, const unsigned char *src, int srclen, struct ast_key *key)
{
int res;
int bytes;
@@ -399,7 +399,7 @@ extern int ast_encrypt_bin(unsigned char *dst, const unsigned char *src, int src
return pos;
}
int ast_sign(struct ast_key *key, char *msg, char *sig)
static int __ast_sign(struct ast_key *key, char *msg, char *sig)
{
unsigned char dsig[128];
int siglen = sizeof(dsig);
@@ -412,7 +412,7 @@ int ast_sign(struct ast_key *key, char *msg, char *sig)
}
int ast_check_signature_bin(struct ast_key *key, char *msg, int msglen, unsigned char *dsig)
static int __ast_check_signature_bin(struct ast_key *key, const char *msg, int msglen, const unsigned char *dsig)
{
unsigned char digest[20];
int res;
@@ -428,7 +428,7 @@ int ast_check_signature_bin(struct ast_key *key, char *msg, int msglen, unsigned
SHA1((unsigned char *)msg, msglen, digest);
/* Verify signature */
res = RSA_verify(NID_sha1, digest, sizeof(digest), dsig, 128, key->rsa);
res = RSA_verify(NID_sha1, digest, sizeof(digest), (unsigned char *)dsig, 128, key->rsa);
if (!res) {
ast_log(LOG_DEBUG, "Key failed verification: %s\n", key->name);
@@ -438,7 +438,7 @@ int ast_check_signature_bin(struct ast_key *key, char *msg, int msglen, unsigned
return 0;
}
int ast_check_signature(struct ast_key *key, char *msg, char *sig)
static int __ast_check_signature(struct ast_key *key, const char *msg, const char *sig)
{
unsigned char dsig[128];
int res;
@@ -571,6 +571,15 @@ static int crypto_init(void)
ERR_load_crypto_strings();
ast_cli_register(&cli_show_keys);
ast_cli_register(&cli_init_keys);
/* Install ourselves into stubs */
ast_key_get = __ast_key_get;
ast_check_signature = __ast_check_signature;
ast_check_signature_bin = __ast_check_signature_bin;
ast_sign = __ast_sign;
ast_sign_bin = __ast_sign_bin;
ast_encrypt_bin = __ast_encrypt_bin;
ast_decrypt_bin = __ast_decrypt_bin;
return 0;
}