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Merge pull request #326 from jcastillo-arm/jc/tbb_ecdsa

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TBB: build 'cert_create' with ECDSA only if OpenSSL supports it
This commit is contained in:
Achin Gupta 2015-07-01 16:09:27 +01:00
commit 1ea5233f34
3 changed files with 65 additions and 39 deletions
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5
tools/cert_create/include/key.h
View File

@ -47,7 +47,10 @@ enum {
/* Supported key algorithms */ /* Supported key algorithms */
enum { enum {
KEY_ALG_RSA, KEY_ALG_RSA,
KEY_ALG_ECDSA #ifndef OPENSSL_NO_EC
KEY_ALG_ECDSA,
#endif /* OPENSSL_NO_EC */
KEY_ALG_MAX_NUM
}; };
/* /*

97
tools/cert_create/src/key.c
View File

@ -59,56 +59,77 @@ static int key_new(key_t *key)
return 1; return 1;
} }
int key_create(key_t *key, int type) static int key_create_rsa(key_t *key)
{ {
RSA *rsa = NULL; RSA *rsa = NULL;
EC_KEY *ec = NULL;
/* Create OpenSSL key container */ rsa = RSA_generate_key(RSA_KEY_BITS, RSA_F4, NULL, NULL);
if (!key_new(key)) { if (rsa == NULL) {
printf("Cannot create RSA key\n");
goto err; goto err;
} }
if (!EVP_PKEY_assign_RSA(key->key, rsa)) {
switch (type) { printf("Cannot assign RSA key\n");
case KEY_ALG_RSA:
/* Generate a new RSA key */
rsa = RSA_generate_key(RSA_KEY_BITS, RSA_F4, NULL, NULL);
if (rsa == NULL) {
printf("Cannot create RSA key\n");
goto err;
}
if (!EVP_PKEY_assign_RSA(key->key, rsa)) {
printf("Cannot assign RSA key\n");
goto err;
}
break;
case KEY_ALG_ECDSA:
/* Generate a new ECDSA key */
ec = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
if (ec == NULL) {
printf("Cannot create EC key\n");
goto err;
}
if (!EC_KEY_generate_key(ec)) {
printf("Cannot generate EC key\n");
goto err;
}
EC_KEY_set_flags(ec, EC_PKEY_NO_PARAMETERS);
EC_KEY_set_asn1_flag(ec, OPENSSL_EC_NAMED_CURVE);
if (!EVP_PKEY_assign_EC_KEY(key->key, ec)) {
printf("Cannot assign EC key\n");
goto err;
}
break;
default:
goto err; goto err;
} }
return 1; return 1;
err: err:
RSA_free(rsa); RSA_free(rsa);
return 0;
}
#ifndef OPENSSL_NO_EC
static int key_create_ecdsa(key_t *key)
{
EC_KEY *ec = NULL;
ec = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
if (ec == NULL) {
printf("Cannot create EC key\n");
goto err;
}
if (!EC_KEY_generate_key(ec)) {
printf("Cannot generate EC key\n");
goto err;
}
EC_KEY_set_flags(ec, EC_PKEY_NO_PARAMETERS);
EC_KEY_set_asn1_flag(ec, OPENSSL_EC_NAMED_CURVE);
if (!EVP_PKEY_assign_EC_KEY(key->key, ec)) {
printf("Cannot assign EC key\n");
goto err;
}
return 1;
err:
EC_KEY_free(ec); EC_KEY_free(ec);
return 0;
}
#endif /* OPENSSL_NO_EC */
typedef int (*key_create_fn_t)(key_t *key);
static const key_create_fn_t key_create_fn[KEY_ALG_MAX_NUM] = {
key_create_rsa,
#ifndef OPENSSL_NO_EC
key_create_ecdsa,
#endif /* OPENSSL_NO_EC */
};
int key_create(key_t *key, int type)
{
if (type >= KEY_ALG_MAX_NUM) {
printf("Invalid key type\n");
return 0;
}
/* Create OpenSSL key container */
if (!key_new(key)) {
return 0;
}
if (key_create_fn[type]) {
return key_create_fn[type](key);
}
return 0; return 0;
} }

2
tools/cert_create/src/main.c
View File

@ -142,7 +142,9 @@ static char *strdup(const char *str)
static const char *key_algs_str[] = { static const char *key_algs_str[] = {
[KEY_ALG_RSA] = "rsa", [KEY_ALG_RSA] = "rsa",
#ifndef OPENSSL_NO_EC
[KEY_ALG_ECDSA] = "ecdsa" [KEY_ALG_ECDSA] = "ecdsa"
#endif /* OPENSSL_NO_EC */
}; };
/* Command line options */ /* Command line options */