* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
#include <openssl/objects.h>
int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type)
#include <openssl/objects.h>
int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type)
- {
- int ret;
-
- if (c->cipher->set_asn1_parameters != NULL)
- ret=c->cipher->set_asn1_parameters(c,type);
- else if (c->cipher->flags & EVP_CIPH_FLAG_DEFAULT_ASN1)
- ret=EVP_CIPHER_set_asn1_iv(c, type);
- else
- ret=-1;
- return(ret);
- }
+{
+ int ret;
+
+ if (c->cipher->set_asn1_parameters != NULL)
+ ret = c->cipher->set_asn1_parameters(c, type);
+ else if (c->cipher->flags & EVP_CIPH_FLAG_DEFAULT_ASN1) {
+ if (EVP_CIPHER_CTX_mode(c) == EVP_CIPH_WRAP_MODE) {
+ ASN1_TYPE_set(type, V_ASN1_NULL, NULL);
+ ret = 1;
+ } else
+ ret = EVP_CIPHER_set_asn1_iv(c, type);
+ } else
+ ret = -1;
+ return (ret);
+}
- {
- int ret;
-
- if (c->cipher->get_asn1_parameters != NULL)
- ret=c->cipher->get_asn1_parameters(c,type);
- else
- ret=-1;
- return(ret);
- }
+{
+ int ret;
+
+ if (c->cipher->get_asn1_parameters != NULL)
+ ret = c->cipher->get_asn1_parameters(c, type);
+ else if (c->cipher->flags & EVP_CIPH_FLAG_DEFAULT_ASN1) {
+ if (EVP_CIPHER_CTX_mode(c) == EVP_CIPH_WRAP_MODE)
+ return 1;
+ ret = EVP_CIPHER_get_asn1_iv(c, type);
+ } else
+ ret = -1;
+ return (ret);
+}
- {
- int i=0;
- unsigned int l;
-
- if (type != NULL)
- {
- l=EVP_CIPHER_CTX_iv_length(c);
- OPENSSL_assert(l <= sizeof(c->iv));
- i=ASN1_TYPE_get_octetstring(type,c->oiv,l);
- if (i != (int)l)
- return(-1);
- else if (i > 0)
- memcpy(c->iv,c->oiv,l);
- }
- return(i);
- }
+{
+ int i = 0;
+ unsigned int l;
+
+ if (type != NULL) {
+ l = EVP_CIPHER_CTX_iv_length(c);
+ OPENSSL_assert(l <= sizeof(c->iv));
+ i = ASN1_TYPE_get_octetstring(type, c->oiv, l);
+ if (i != (int)l)
+ return (-1);
+ else if (i > 0)
+ memcpy(c->iv, c->oiv, l);
+ }
+ return (i);
+}
- {
- int i=0;
- unsigned int j;
-
- if (type != NULL)
- {
- j=EVP_CIPHER_CTX_iv_length(c);
- OPENSSL_assert(j <= sizeof(c->iv));
- i=ASN1_TYPE_set_octetstring(type,c->oiv,j);
- }
- return(i);
- }
+{
+ int i = 0;
+ unsigned int j;
+
+ if (type != NULL) {
+ j = EVP_CIPHER_CTX_iv_length(c);
+ OPENSSL_assert(j <= sizeof(c->iv));
+ i = ASN1_TYPE_set_octetstring(type, c->oiv, j);
+ }
+ return (i);
+}
/* Convert the various cipher NIDs and dummies to a proper OID NID */
int EVP_CIPHER_type(const EVP_CIPHER *ctx)
{
/* Convert the various cipher NIDs and dummies to a proper OID NID */
int EVP_CIPHER_type(const EVP_CIPHER *ctx)
{
- case NID_des_ede3_cfb64:
- case NID_des_ede3_cfb8:
- case NID_des_ede3_cfb1:
+ case NID_des_ede3_cfb64:
+ case NID_des_ede3_cfb8:
+ case NID_des_ede3_cfb1:
- default:
- /* Check it has an OID and it is valid */
- otmp = OBJ_nid2obj(nid);
- if(!otmp || !otmp->data) nid = NID_undef;
- ASN1_OBJECT_free(otmp);
- return nid;
- }
+ default:
+ /* Check it has an OID and it is valid */
+ otmp = OBJ_nid2obj(nid);
+ if (!otmp || !otmp->data)
+ nid = NID_undef;
+ ASN1_OBJECT_free(otmp);
+ return nid;
+ }
-int EVP_Cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, unsigned int inl)
- {
- return ctx->cipher->do_cipher(ctx,out,in,inl);
- }
+int EVP_Cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+ const unsigned char *in, unsigned int inl)
+{
+ return ctx->cipher->do_cipher(ctx, out, in, inl);
+}