-#include "evp.h"
-#include "objects.h"
-
-int EVP_CIPHER_param_to_asn1(c,type)
-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
- ret=1;
- return(ret);
- }
-
-int EVP_CIPHER_asn1_to_param(c,type)
-EVP_CIPHER_CTX *c;
-ASN1_TYPE *type;
- {
- int ret;
-
- if (c->cipher->get_asn1_parameters != NULL)
- ret=c->cipher->get_asn1_parameters(c,type);
- else
- ret=1;
- return(ret);
- }
-
-int EVP_CIPHER_get_asn1_iv(c,type)
-EVP_CIPHER_CTX *c;
-ASN1_TYPE *type;
- {
- int i=0,l;
-
- if (type != NULL)
- {
- l=EVP_CIPHER_CTX_iv_length(c);
- i=ASN1_TYPE_get_octetstring(type,c->oiv,l);
- memcpy(c->iv,c->oiv,l);
- }
- return(i);
- }
-
-int EVP_CIPHER_set_asn1_iv(c,type)
-EVP_CIPHER_CTX *c;
-ASN1_TYPE *type;
- {
- int i=0,j;
-
- if (type != NULL)
- {
- j=EVP_CIPHER_CTX_iv_length(c);
- i=ASN1_TYPE_set_octetstring(type,c->oiv,j);
- }
- return(i);
- }
+#include <openssl/evp.h>
+#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) {
+ 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 EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type)
+{
+ 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 EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type)
+{
+ 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 EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type)
+{
+ 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)
+{
+ int nid;
+ ASN1_OBJECT *otmp;
+ nid = EVP_CIPHER_nid(ctx);
+
+ switch (nid) {
+
+ case NID_rc2_cbc:
+ case NID_rc2_64_cbc:
+ case NID_rc2_40_cbc:
+
+ return NID_rc2_cbc;
+
+ case NID_rc4:
+ case NID_rc4_40:
+
+ return NID_rc4;
+
+ case NID_aes_128_cfb128:
+ case NID_aes_128_cfb8:
+ case NID_aes_128_cfb1:
+
+ return NID_aes_128_cfb128;
+
+ case NID_aes_192_cfb128:
+ case NID_aes_192_cfb8:
+ case NID_aes_192_cfb1:
+
+ return NID_aes_192_cfb128;
+
+ case NID_aes_256_cfb128:
+ case NID_aes_256_cfb8:
+ case NID_aes_256_cfb1:
+
+ return NID_aes_256_cfb128;
+
+ case NID_des_cfb64:
+ case NID_des_cfb8:
+ case NID_des_cfb1:
+
+ return NID_des_cfb64;
+
+ case NID_des_ede3_cfb64:
+ case NID_des_ede3_cfb8:
+ case NID_des_ede3_cfb1:
+
+ return NID_des_cfb64;
+
+ 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_block_size(const EVP_CIPHER *e)
+{
+ return e->block_size;
+}
+
+int EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *ctx)
+{
+ return ctx->cipher->block_size;
+}
+
+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);
+}
+
+const EVP_CIPHER *EVP_CIPHER_CTX_cipher(const EVP_CIPHER_CTX *ctx)
+{
+ return ctx->cipher;
+}
+
+unsigned long EVP_CIPHER_flags(const EVP_CIPHER *cipher)
+{
+ return cipher->flags;
+}
+
+unsigned long EVP_CIPHER_CTX_flags(const EVP_CIPHER_CTX *ctx)
+{
+ return ctx->cipher->flags;
+}
+
+void *EVP_CIPHER_CTX_get_app_data(const EVP_CIPHER_CTX *ctx)
+{
+ return ctx->app_data;
+}
+
+void EVP_CIPHER_CTX_set_app_data(EVP_CIPHER_CTX *ctx, void *data)
+{
+ ctx->app_data = data;
+}
+
+int EVP_CIPHER_iv_length(const EVP_CIPHER *cipher)
+{
+ return cipher->iv_len;
+}
+
+int EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *ctx)
+{
+ return ctx->cipher->iv_len;
+}
+
+int EVP_CIPHER_key_length(const EVP_CIPHER *cipher)
+{
+ return cipher->key_len;
+}
+
+int EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *ctx)
+{
+ return ctx->key_len;
+}
+
+int EVP_CIPHER_nid(const EVP_CIPHER *cipher)
+{
+ return cipher->nid;
+}
+
+int EVP_CIPHER_CTX_nid(const EVP_CIPHER_CTX *ctx)
+{
+ return ctx->cipher->nid;
+}
+
+int EVP_MD_block_size(const EVP_MD *md)
+{
+ return md->block_size;
+}
+
+int EVP_MD_type(const EVP_MD *md)
+{
+ return md->type;
+}
+
+int EVP_MD_pkey_type(const EVP_MD *md)
+{
+ return md->pkey_type;
+}
+
+int EVP_MD_size(const EVP_MD *md)
+{
+ if (!md) {
+ EVPerr(EVP_F_EVP_MD_SIZE, EVP_R_MESSAGE_DIGEST_IS_NULL);
+ return -1;
+ }
+ return md->md_size;
+}
+
+unsigned long EVP_MD_flags(const EVP_MD *md)
+{
+ return md->flags;
+}
+
+const EVP_MD *EVP_MD_CTX_md(const EVP_MD_CTX *ctx)
+{
+ if (!ctx)
+ return NULL;
+ return ctx->digest;
+}
+
+void EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, int flags)
+{
+ ctx->flags |= flags;
+}
+
+void EVP_MD_CTX_clear_flags(EVP_MD_CTX *ctx, int flags)
+{
+ ctx->flags &= ~flags;
+}
+
+int EVP_MD_CTX_test_flags(const EVP_MD_CTX *ctx, int flags)
+{
+ return (ctx->flags & flags);
+}
+
+void EVP_CIPHER_CTX_set_flags(EVP_CIPHER_CTX *ctx, int flags)
+{
+ ctx->flags |= flags;
+}
+
+void EVP_CIPHER_CTX_clear_flags(EVP_CIPHER_CTX *ctx, int flags)
+{
+ ctx->flags &= ~flags;
+}
+
+int EVP_CIPHER_CTX_test_flags(const EVP_CIPHER_CTX *ctx, int flags)
+{
+ return (ctx->flags & flags);
+}