Commit b7a80920 authored by Nick Mathewson's avatar Nick Mathewson 🎨
Browse files

r15558@tombo: nickm | 2008-05-09 04:35:12 -0400

 New (temporary) tool to dump the modulus of a key.  May help with a project of weasel's.


svn:r14580
parent 32065813
......@@ -258,6 +258,12 @@ _crypto_new_pk_env_evp_pkey(EVP_PKEY *pkey)
return _crypto_new_pk_env_rsa(rsa);
}
RSA *
_crypto_pk_env_get_rsa(crypto_pk_env_t *env)
{
return env->key;
}
/** used by tortls.c: get an equivalent EVP_PKEY* for a crypto_pk_env_t. Iff
* private is set, include the private-key portion of the key. */
EVP_PKEY *
......
......@@ -199,6 +199,7 @@ void secret_to_key(char *key_out, size_t key_out_len, const char *secret,
struct rsa_st;
struct evp_pkey_st;
struct dh_st;
struct rsa_st *_crypto_pk_env_get_rsa(crypto_pk_env_t *env);
crypto_pk_env_t *_crypto_new_pk_env_rsa(struct rsa_st *rsa);
crypto_pk_env_t *_crypto_new_pk_env_evp_pkey(struct evp_pkey_st *pkey);
struct evp_pkey_st *_crypto_pk_env_get_evp_pkey(crypto_pk_env_t *env,
......
bin_PROGRAMS = tor-resolve tor-gencert
noinst_PROGRAMS = tor-checkkey
tor_resolve_SOURCES = tor-resolve.c
tor_resolve_LDFLAGS = @TOR_LDFLAGS_libevent@
......@@ -10,3 +11,8 @@ tor_gencert_LDFLAGS = @TOR_LDFLAGS_zlib@ @TOR_LDFLAGS_openssl@ \
tor_gencert_LDADD = ../common/libor.a ../common/libor-crypto.a \
-lz -lcrypto -levent @TOR_LIB_WS32@ @TOR_LIB_GDI@
tor_checkkey_SOURCES = tor-checkkey.c
tor_checkkey_LDFLAGS = @TOR_LDFLAGS_zlib@ @TOR_LDFLAGS_openssl@ \
@TOR_LDFLAGS_libevent@
tor_checkkey_LDADD = ../common/libor.a ../common/libor-crypto.a \
-lz -lcrypto -levent @TOR_LIB_WS32@ @TOR_LIB_GDI@
#define CRYPTO_PRIVATE
#include <stdio.h>
#include <stdlib.h>
#include "crypto.h"
#include "log.h"
#include "util.h"
#include "compat.h"
#include <openssl/bn.h>
#include <openssl/rsa.h>
int main(int c, char **v)
{
crypto_pk_env_t *env;
char *str;
RSA *rsa;
init_logging();
if (c < 2) {
fprintf(stderr, "Hi. I'm tor-checkkey. Tell me a filename that has a PEM-encoded RSA public key (like in a cert) and I'll dump the modulus.\n");
return 1;
}
if (crypto_global_init(0)) {
fprintf(stderr, "Couldn't initialize crypto library.\n");
return 1;
}
str = read_file_to_str(v[1], 0, NULL);
if (!str) {
fprintf(stderr, "Couldn't read %s\n", v[1]);
return 1;
}
env = crypto_new_pk_env();
if (crypto_pk_read_public_key_from_string(env, str, strlen(str))<0) {
fprintf(stderr, "Couldn't parse key.\n");
return 1;
}
tor_free(str);
rsa = _crypto_pk_env_get_rsa(env);
str = BN_bn2hex(rsa->n);
printf("%s\n", str);
return 0;
}
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