-/* crypto/evp/evp_lib.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
#include "internal/cryptlib.h"
#include <openssl/evp.h>
#include <openssl/objects.h>
+#include "internal/evp_int.h"
+#include "evp_locl.h"
int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type)
{
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);
+ switch (EVP_CIPHER_CTX_mode(c)) {
+ case EVP_CIPH_WRAP_MODE:
+ if (EVP_CIPHER_CTX_nid(c) == NID_id_smime_alg_CMS3DESwrap)
+ ASN1_TYPE_set(type, V_ASN1_NULL, NULL);
ret = 1;
- } else
+ break;
+
+ case EVP_CIPH_GCM_MODE:
+ case EVP_CIPH_CCM_MODE:
+ case EVP_CIPH_XTS_MODE:
+ case EVP_CIPH_OCB_MODE:
+ ret = -1;
+ break;
+
+ default:
ret = EVP_CIPHER_set_asn1_iv(c, type);
+ }
} else
ret = -1;
return (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);
+ switch (EVP_CIPHER_CTX_mode(c)) {
+
+ case EVP_CIPH_WRAP_MODE:
+ ret = 1;
+ break;
+
+ case EVP_CIPH_GCM_MODE:
+ case EVP_CIPH_CCM_MODE:
+ case EVP_CIPH_XTS_MODE:
+ case EVP_CIPH_OCB_MODE:
+ ret = -1;
+ break;
+
+ default:
+ ret = EVP_CIPHER_get_asn1_iv(c, type);
+ break;
+ }
} else
ret = -1;
return (ret);
return ctx->cipher->block_size;
}
+int EVP_CIPHER_impl_ctx_size(const EVP_CIPHER *e)
+{
+ return e->ctx_size;
+}
+
int EVP_Cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, unsigned int inl)
{
return ctx->cipher;
}
-unsigned long EVP_CIPHER_flags(const EVP_CIPHER *cipher)
+int EVP_CIPHER_CTX_encrypting(const EVP_CIPHER_CTX *ctx)
{
- return cipher->flags;
+ return ctx->encrypt;
}
-unsigned long EVP_CIPHER_CTX_flags(const EVP_CIPHER_CTX *ctx)
+unsigned long EVP_CIPHER_flags(const EVP_CIPHER *cipher)
{
- return ctx->cipher->flags;
+ return cipher->flags;
}
void *EVP_CIPHER_CTX_get_app_data(const EVP_CIPHER_CTX *ctx)
ctx->app_data = data;
}
+void *EVP_CIPHER_CTX_cipher_data(const EVP_CIPHER_CTX *ctx)
+{
+ return ctx->cipher_data;
+}
+
int EVP_CIPHER_iv_length(const EVP_CIPHER *cipher)
{
return cipher->iv_len;
return ctx->cipher->iv_len;
}
+const unsigned char *EVP_CIPHER_CTX_original_iv(const EVP_CIPHER_CTX *ctx)
+{
+ return ctx->oiv;
+}
+
+const unsigned char *EVP_CIPHER_CTX_iv(const EVP_CIPHER_CTX *ctx)
+{
+ return ctx->iv;
+}
+
+unsigned char *EVP_CIPHER_CTX_iv_noconst(EVP_CIPHER_CTX *ctx)
+{
+ return ctx->iv;
+}
+
+unsigned char *EVP_CIPHER_CTX_buf_noconst(EVP_CIPHER_CTX *ctx)
+{
+ return ctx->buf;
+}
+
+int EVP_CIPHER_CTX_num(const EVP_CIPHER_CTX *ctx)
+{
+ return ctx->num;
+}
+
+void EVP_CIPHER_CTX_set_num(EVP_CIPHER_CTX *ctx, int num)
+{
+ ctx->num = num;
+}
+
int EVP_CIPHER_key_length(const EVP_CIPHER *cipher)
{
return cipher->key_len;
return md->flags;
}
+EVP_MD *EVP_MD_meth_new(int md_type, int pkey_type)
+{
+ EVP_MD *md = OPENSSL_zalloc(sizeof(*md));
+
+ if (md != NULL) {
+ md->type = md_type;
+ md->pkey_type = pkey_type;
+ }
+ return md;
+}
+EVP_MD *EVP_MD_meth_dup(const EVP_MD *md)
+{
+ EVP_MD *to = EVP_MD_meth_new(md->type, md->pkey_type);
+
+ if (to != NULL)
+ memcpy(to, md, sizeof(*to));
+ return to;
+}
+void EVP_MD_meth_free(EVP_MD *md)
+{
+ OPENSSL_free(md);
+}
+int EVP_MD_meth_set_input_blocksize(EVP_MD *md, int blocksize)
+{
+ md->block_size = blocksize;
+ return 1;
+}
+int EVP_MD_meth_set_result_size(EVP_MD *md, int resultsize)
+{
+ md->md_size = resultsize;
+ return 1;
+}
+int EVP_MD_meth_set_app_datasize(EVP_MD *md, int datasize)
+{
+ md->ctx_size = datasize;
+ return 1;
+}
+int EVP_MD_meth_set_flags(EVP_MD *md, unsigned long flags)
+{
+ md->flags = flags;
+ return 1;
+}
+int EVP_MD_meth_set_init(EVP_MD *md, int (*init)(EVP_MD_CTX *ctx))
+{
+ md->init = init;
+ return 1;
+}
+int EVP_MD_meth_set_update(EVP_MD *md, int (*update)(EVP_MD_CTX *ctx,
+ const void *data,
+ size_t count))
+{
+ md->update = update;
+ return 1;
+}
+int EVP_MD_meth_set_final(EVP_MD *md, int (*final)(EVP_MD_CTX *ctx,
+ unsigned char *md))
+{
+ md->final = final;
+ return 1;
+}
+int EVP_MD_meth_set_copy(EVP_MD *md, int (*copy)(EVP_MD_CTX *to,
+ const EVP_MD_CTX *from))
+{
+ md->copy = copy;
+ return 1;
+}
+int EVP_MD_meth_set_cleanup(EVP_MD *md, int (*cleanup)(EVP_MD_CTX *ctx))
+{
+ md->cleanup = cleanup;
+ return 1;
+}
+int EVP_MD_meth_set_ctrl(EVP_MD *md, int (*ctrl)(EVP_MD_CTX *ctx, int cmd,
+ int p1, void *p2))
+{
+ md->md_ctrl = ctrl;
+ return 1;
+}
+
+int EVP_MD_meth_get_input_blocksize(const EVP_MD *md)
+{
+ return md->block_size;
+}
+int EVP_MD_meth_get_result_size(const EVP_MD *md)
+{
+ return md->md_size;
+}
+int EVP_MD_meth_get_app_datasize(const EVP_MD *md)
+{
+ return md->ctx_size;
+}
+unsigned long EVP_MD_meth_get_flags(const EVP_MD *md)
+{
+ return md->block_size;
+}
+int (*EVP_MD_meth_get_init(const EVP_MD *md))(EVP_MD_CTX *ctx)
+{
+ return md->init;
+}
+int (*EVP_MD_meth_get_update(const EVP_MD *md))(EVP_MD_CTX *ctx,
+ const void *data,
+ size_t count)
+{
+ return md->update;
+}
+int (*EVP_MD_meth_get_final(const EVP_MD *md))(EVP_MD_CTX *ctx,
+ unsigned char *md)
+{
+ return md->final;
+}
+int (*EVP_MD_meth_get_copy(const EVP_MD *md))(EVP_MD_CTX *to,
+ const EVP_MD_CTX *from)
+{
+ return md->copy;
+}
+int (*EVP_MD_meth_get_cleanup(const EVP_MD *md))(EVP_MD_CTX *ctx)
+{
+ return md->cleanup;
+}
+int (*EVP_MD_meth_get_ctrl(const EVP_MD *md))(EVP_MD_CTX *ctx, int cmd,
+ int p1, void *p2)
+{
+ return md->md_ctrl;
+}
+
const EVP_MD *EVP_MD_CTX_md(const EVP_MD_CTX *ctx)
{
if (!ctx)
return ctx->digest;
}
+EVP_PKEY_CTX *EVP_MD_CTX_pkey_ctx(const EVP_MD_CTX *ctx)
+{
+ return ctx->pctx;
+}
+
+void *EVP_MD_CTX_md_data(const EVP_MD_CTX *ctx)
+{
+ return ctx->md_data;
+}
+
+int (*EVP_MD_CTX_update_fn(EVP_MD_CTX *ctx))(EVP_MD_CTX *ctx,
+ const void *data, size_t count)
+{
+ return ctx->update;
+}
+
+void EVP_MD_CTX_set_update_fn(EVP_MD_CTX *ctx,
+ int (*update) (EVP_MD_CTX *ctx,
+ const void *data, size_t count))
+{
+ ctx->update = update;
+}
+
void EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, int flags)
{
ctx->flags |= flags;