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authorJung-uk Kim <jkim@FreeBSD.org>2012-07-11 23:31:36 +0000
committerJung-uk Kim <jkim@FreeBSD.org>2012-07-11 23:31:36 +0000
commit0758ab5ea778e4ba36d2150af1bba602a48d6467 (patch)
tree0c30591ac90cb5e07a0763793709fd1056b67f57 /crypto/evp/p_lib.c
parent2b8b5455829304396e38200c205612c4dc57c052 (diff)
downloadsrc-0758ab5ea778e4ba36d2150af1bba602a48d6467.tar.gz
src-0758ab5ea778e4ba36d2150af1bba602a48d6467.zip
Import OpenSSL 1.0.1c.vendor/openssl/1.0.1c
Approved by: benl (maintainer)
Notes
Notes: svn path=/vendor-crypto/openssl/dist/; revision=238384 svn path=/vendor-crypto/openssl/1.0.1c/; revision=238385; tag=vendor/openssl/1.0.1c
Diffstat (limited to 'crypto/evp/p_lib.c')
-rw-r--r--crypto/evp/p_lib.c397
1 files changed, 182 insertions, 215 deletions
diff --git a/crypto/evp/p_lib.c b/crypto/evp/p_lib.c
index 22155ecf62c4..e26ccd0d086a 100644
--- a/crypto/evp/p_lib.c
+++ b/crypto/evp/p_lib.c
@@ -74,66 +74,26 @@
#include <openssl/dh.h>
#endif
+#ifndef OPENSSL_NO_ENGINE
+#include <openssl/engine.h>
+#endif
+
+#include "asn1_locl.h"
+
static void EVP_PKEY_free_it(EVP_PKEY *x);
int EVP_PKEY_bits(EVP_PKEY *pkey)
{
- if (0)
- return 0;
-#ifndef OPENSSL_NO_RSA
- else if (pkey->type == EVP_PKEY_RSA)
- return(BN_num_bits(pkey->pkey.rsa->n));
-#endif
-#ifndef OPENSSL_NO_DSA
- else if (pkey->type == EVP_PKEY_DSA)
- return(BN_num_bits(pkey->pkey.dsa->p));
-#endif
-#ifndef OPENSSL_NO_EC
- else if (pkey->type == EVP_PKEY_EC)
- {
- BIGNUM *order = BN_new();
- const EC_GROUP *group;
- int ret;
-
- if (!order)
- {
- ERR_clear_error();
- return 0;
- }
- group = EC_KEY_get0_group(pkey->pkey.ec);
- if (!EC_GROUP_get_order(group, order, NULL))
- {
- ERR_clear_error();
- return 0;
- }
-
- ret = BN_num_bits(order);
- BN_free(order);
- return ret;
- }
-#endif
- return(0);
+ if (pkey && pkey->ameth && pkey->ameth->pkey_bits)
+ return pkey->ameth->pkey_bits(pkey);
+ return 0;
}
int EVP_PKEY_size(EVP_PKEY *pkey)
{
- if (pkey == NULL)
- return(0);
-#ifndef OPENSSL_NO_RSA
- if (pkey->type == EVP_PKEY_RSA)
- return(RSA_size(pkey->pkey.rsa));
- else
-#endif
-#ifndef OPENSSL_NO_DSA
- if (pkey->type == EVP_PKEY_DSA)
- return(DSA_size(pkey->pkey.dsa));
-#endif
-#ifndef OPENSSL_NO_ECDSA
- if (pkey->type == EVP_PKEY_EC)
- return(ECDSA_size(pkey->pkey.ec));
-#endif
-
- return(0);
+ if (pkey && pkey->ameth && pkey->ameth->pkey_size)
+ return pkey->ameth->pkey_size(pkey);
+ return 0;
}
int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode)
@@ -174,88 +134,26 @@ int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from)
EVPerr(EVP_F_EVP_PKEY_COPY_PARAMETERS,EVP_R_MISSING_PARAMETERS);
goto err;
}
-#ifndef OPENSSL_NO_DSA
- if (to->type == EVP_PKEY_DSA)
- {
- BIGNUM *a;
-
- if ((a=BN_dup(from->pkey.dsa->p)) == NULL) goto err;
- if (to->pkey.dsa->p != NULL) BN_free(to->pkey.dsa->p);
- to->pkey.dsa->p=a;
-
- if ((a=BN_dup(from->pkey.dsa->q)) == NULL) goto err;
- if (to->pkey.dsa->q != NULL) BN_free(to->pkey.dsa->q);
- to->pkey.dsa->q=a;
-
- if ((a=BN_dup(from->pkey.dsa->g)) == NULL) goto err;
- if (to->pkey.dsa->g != NULL) BN_free(to->pkey.dsa->g);
- to->pkey.dsa->g=a;
- }
-#endif
-#ifndef OPENSSL_NO_EC
- if (to->type == EVP_PKEY_EC)
- {
- EC_GROUP *group = EC_GROUP_dup(EC_KEY_get0_group(from->pkey.ec));
- if (group == NULL)
- goto err;
- if (EC_KEY_set_group(to->pkey.ec, group) == 0)
- goto err;
- EC_GROUP_free(group);
- }
-#endif
- return(1);
+ if (from->ameth && from->ameth->param_copy)
+ return from->ameth->param_copy(to, from);
err:
- return(0);
+ return 0;
}
int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey)
{
-#ifndef OPENSSL_NO_DSA
- if (pkey->type == EVP_PKEY_DSA)
- {
- DSA *dsa;
-
- dsa=pkey->pkey.dsa;
- if ((dsa->p == NULL) || (dsa->q == NULL) || (dsa->g == NULL))
- return(1);
- }
-#endif
-#ifndef OPENSSL_NO_EC
- if (pkey->type == EVP_PKEY_EC)
- {
- if (EC_KEY_get0_group(pkey->pkey.ec) == NULL)
- return(1);
- }
-#endif
-
- return(0);
+ if (pkey->ameth && pkey->ameth->param_missing)
+ return pkey->ameth->param_missing(pkey);
+ return 0;
}
int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b)
{
-#ifndef OPENSSL_NO_DSA
- if ((a->type == EVP_PKEY_DSA) && (b->type == EVP_PKEY_DSA))
- {
- if ( BN_cmp(a->pkey.dsa->p,b->pkey.dsa->p) ||
- BN_cmp(a->pkey.dsa->q,b->pkey.dsa->q) ||
- BN_cmp(a->pkey.dsa->g,b->pkey.dsa->g))
- return(0);
- else
- return(1);
- }
-#endif
-#ifndef OPENSSL_NO_EC
- if (a->type == EVP_PKEY_EC && b->type == EVP_PKEY_EC)
- {
- const EC_GROUP *group_a = EC_KEY_get0_group(a->pkey.ec),
- *group_b = EC_KEY_get0_group(b->pkey.ec);
- if (EC_GROUP_cmp(group_a, group_b, NULL))
- return 0;
- else
- return 1;
- }
-#endif
- return(-1);
+ if (a->type != b->type)
+ return -1;
+ if (a->ameth && a->ameth->param_cmp)
+ return a->ameth->param_cmp(a, b);
+ return -2;
}
int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b)
@@ -263,51 +161,22 @@ int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b)
if (a->type != b->type)
return -1;
- if (EVP_PKEY_cmp_parameters(a, b) == 0)
- return 0;
-
- switch (a->type)
+ if (a->ameth)
{
-#ifndef OPENSSL_NO_RSA
- case EVP_PKEY_RSA:
- if (BN_cmp(b->pkey.rsa->n,a->pkey.rsa->n) != 0
- || BN_cmp(b->pkey.rsa->e,a->pkey.rsa->e) != 0)
- return 0;
- break;
-#endif
-#ifndef OPENSSL_NO_DSA
- case EVP_PKEY_DSA:
- if (BN_cmp(b->pkey.dsa->pub_key,a->pkey.dsa->pub_key) != 0)
- return 0;
- break;
-#endif
-#ifndef OPENSSL_NO_EC
- case EVP_PKEY_EC:
- {
- int r;
- const EC_GROUP *group = EC_KEY_get0_group(b->pkey.ec);
- const EC_POINT *pa = EC_KEY_get0_public_key(a->pkey.ec),
- *pb = EC_KEY_get0_public_key(b->pkey.ec);
- r = EC_POINT_cmp(group, pa, pb, NULL);
- if (r != 0)
+ int ret;
+ /* Compare parameters if the algorithm has them */
+ if (a->ameth->param_cmp)
{
- if (r == 1)
- return 0;
- else
- return -2;
+ ret = a->ameth->param_cmp(a, b);
+ if (ret <= 0)
+ return ret;
}
- }
- break;
-#endif
-#ifndef OPENSSL_NO_DH
- case EVP_PKEY_DH:
- return -2;
-#endif
- default:
- return -2;
+
+ if (a->ameth->pub_cmp)
+ return a->ameth->pub_cmp(a, b);
}
- return 1;
+ return -2;
}
EVP_PKEY *EVP_PKEY_new(void)
@@ -321,22 +190,87 @@ EVP_PKEY *EVP_PKEY_new(void)
return(NULL);
}
ret->type=EVP_PKEY_NONE;
+ ret->save_type=EVP_PKEY_NONE;
ret->references=1;
+ ret->ameth=NULL;
+ ret->engine=NULL;
ret->pkey.ptr=NULL;
ret->attributes=NULL;
ret->save_parameters=1;
return(ret);
}
-int EVP_PKEY_assign(EVP_PKEY *pkey, int type, char *key)
+/* Setup a public key ASN1 method and ENGINE from a NID or a string.
+ * If pkey is NULL just return 1 or 0 if the algorithm exists.
+ */
+
+static int pkey_set_type(EVP_PKEY *pkey, int type, const char *str, int len)
+ {
+ const EVP_PKEY_ASN1_METHOD *ameth;
+ ENGINE *e = NULL;
+ if (pkey)
+ {
+ if (pkey->pkey.ptr)
+ EVP_PKEY_free_it(pkey);
+ /* If key type matches and a method exists then this
+ * lookup has succeeded once so just indicate success.
+ */
+ if ((type == pkey->save_type) && pkey->ameth)
+ return 1;
+#ifndef OPENSSL_NO_ENGINE
+ /* If we have an ENGINE release it */
+ if (pkey->engine)
+ {
+ ENGINE_finish(pkey->engine);
+ pkey->engine = NULL;
+ }
+#endif
+ }
+ if (str)
+ ameth = EVP_PKEY_asn1_find_str(&e, str, len);
+ else
+ ameth = EVP_PKEY_asn1_find(&e, type);
+#ifndef OPENSSL_NO_ENGINE
+ if (!pkey && e)
+ ENGINE_finish(e);
+#endif
+ if (!ameth)
+ {
+ EVPerr(EVP_F_PKEY_SET_TYPE, EVP_R_UNSUPPORTED_ALGORITHM);
+ return 0;
+ }
+ if (pkey)
+ {
+ pkey->ameth = ameth;
+ pkey->engine = e;
+
+ pkey->type = pkey->ameth->pkey_id;
+ pkey->save_type=type;
+ }
+ return 1;
+ }
+
+int EVP_PKEY_set_type(EVP_PKEY *pkey, int type)
+ {
+ return pkey_set_type(pkey, type, NULL, -1);
+ }
+
+int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len)
{
- if (pkey == NULL) return(0);
- if (pkey->pkey.ptr != NULL)
- EVP_PKEY_free_it(pkey);
- pkey->type=EVP_PKEY_type(type);
- pkey->save_type=type;
+ return pkey_set_type(pkey, EVP_PKEY_NONE, str, len);
+ }
+
+int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key)
+ {
+ if (!EVP_PKEY_set_type(pkey, type))
+ return 0;
pkey->pkey.ptr=key;
- return(key != NULL);
+ return (key != NULL);
+ }
+
+void *EVP_PKEY_get0(EVP_PKEY *pkey)
+ {
+ return pkey->pkey.ptr;
}
#ifndef OPENSSL_NO_RSA
@@ -425,24 +359,29 @@ DH *EVP_PKEY_get1_DH(EVP_PKEY *pkey)
int EVP_PKEY_type(int type)
{
- switch (type)
- {
- case EVP_PKEY_RSA:
- case EVP_PKEY_RSA2:
- return(EVP_PKEY_RSA);
- case EVP_PKEY_DSA:
- case EVP_PKEY_DSA1:
- case EVP_PKEY_DSA2:
- case EVP_PKEY_DSA3:
- case EVP_PKEY_DSA4:
- return(EVP_PKEY_DSA);
- case EVP_PKEY_DH:
- return(EVP_PKEY_DH);
- case EVP_PKEY_EC:
- return(EVP_PKEY_EC);
- default:
- return(NID_undef);
- }
+ int ret;
+ const EVP_PKEY_ASN1_METHOD *ameth;
+ ENGINE *e;
+ ameth = EVP_PKEY_asn1_find(&e, type);
+ if (ameth)
+ ret = ameth->pkey_id;
+ else
+ ret = NID_undef;
+#ifndef OPENSSL_NO_ENGINE
+ if (e)
+ ENGINE_finish(e);
+#endif
+ return ret;
+ }
+
+int EVP_PKEY_id(const EVP_PKEY *pkey)
+ {
+ return pkey->type;
+ }
+
+int EVP_PKEY_base_id(const EVP_PKEY *pkey)
+ {
+ return EVP_PKEY_type(pkey->type);
}
void EVP_PKEY_free(EVP_PKEY *x)
@@ -471,32 +410,60 @@ void EVP_PKEY_free(EVP_PKEY *x)
static void EVP_PKEY_free_it(EVP_PKEY *x)
{
- switch (x->type)
+ if (x->ameth && x->ameth->pkey_free)
{
-#ifndef OPENSSL_NO_RSA
- case EVP_PKEY_RSA:
- case EVP_PKEY_RSA2:
- RSA_free(x->pkey.rsa);
- break;
-#endif
-#ifndef OPENSSL_NO_DSA
- case EVP_PKEY_DSA:
- case EVP_PKEY_DSA2:
- case EVP_PKEY_DSA3:
- case EVP_PKEY_DSA4:
- DSA_free(x->pkey.dsa);
- break;
-#endif
-#ifndef OPENSSL_NO_EC
- case EVP_PKEY_EC:
- EC_KEY_free(x->pkey.ec);
- break;
-#endif
-#ifndef OPENSSL_NO_DH
- case EVP_PKEY_DH:
- DH_free(x->pkey.dh);
- break;
-#endif
+ x->ameth->pkey_free(x);
+ x->pkey.ptr = NULL;
+ }
+#ifndef OPENSSL_NO_ENGINE
+ if (x->engine)
+ {
+ ENGINE_finish(x->engine);
+ x->engine = NULL;
}
+#endif
+ }
+
+static int unsup_alg(BIO *out, const EVP_PKEY *pkey, int indent,
+ const char *kstr)
+ {
+ BIO_indent(out, indent, 128);
+ BIO_printf(out, "%s algorithm \"%s\" unsupported\n",
+ kstr, OBJ_nid2ln(pkey->type));
+ return 1;
+ }
+
+int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey,
+ int indent, ASN1_PCTX *pctx)
+ {
+ if (pkey->ameth && pkey->ameth->pub_print)
+ return pkey->ameth->pub_print(out, pkey, indent, pctx);
+
+ return unsup_alg(out, pkey, indent, "Public Key");
+ }
+
+int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey,
+ int indent, ASN1_PCTX *pctx)
+ {
+ if (pkey->ameth && pkey->ameth->priv_print)
+ return pkey->ameth->priv_print(out, pkey, indent, pctx);
+
+ return unsup_alg(out, pkey, indent, "Private Key");
+ }
+
+int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey,
+ int indent, ASN1_PCTX *pctx)
+ {
+ if (pkey->ameth && pkey->ameth->param_print)
+ return pkey->ameth->param_print(out, pkey, indent, pctx);
+ return unsup_alg(out, pkey, indent, "Parameters");
+ }
+
+int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid)
+ {
+ if (!pkey->ameth || !pkey->ameth->pkey_ctrl)
+ return -2;
+ return pkey->ameth->pkey_ctrl(pkey, ASN1_PKEY_CTRL_DEFAULT_MD_NID,
+ 0, pnid);
}