#include <openssl/engine.h>
#endif
+#ifdef OPENSSL_FIPS
+#include <openssl/fips.h>
+#include "evp_locl.h"
+#endif
+
void EVP_MD_CTX_init(EVP_MD_CTX *ctx)
{
memset(ctx,'\0',sizeof *ctx);
int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl)
{
EVP_MD_CTX_clear_flags(ctx,EVP_MD_CTX_FLAG_CLEANED);
+#ifdef OPENSSL_FIPS
+ /* If FIPS mode switch to approved implementation if possible */
+ if (FIPS_mode())
+ {
+ const EVP_MD *fipsmd;
+ if (type)
+ {
+ fipsmd = evp_get_fips_md(type);
+ if (fipsmd)
+ type = fipsmd;
+ }
+ }
+#endif
#ifndef OPENSSL_NO_ENGINE
/* Whether it's nice or not, "Inits" can be used on "Final"'d contexts
* so this context may already have an ENGINE! Try to avoid releasing
}
if (ctx->flags & EVP_MD_CTX_FLAG_NO_INIT)
return 1;
+#ifdef OPENSSL_FIPS
+ if (FIPS_mode())
+ {
+ if (FIPS_digestinit(ctx, type))
+ return 1;
+ OPENSSL_free(ctx->md_data);
+ ctx->md_data = NULL;
+ return 0;
+ }
+#endif
return ctx->digest->init(ctx);
}
int EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *data, size_t count)
{
+#ifdef OPENSSL_FIPS
+ return FIPS_digestupdate(ctx, data, count);
+#else
return ctx->update(ctx,data,count);
+#endif
}
/* The caller can assume that this removes any secret data from the context */
/* The caller can assume that this removes any secret data from the context */
int EVP_DigestFinal_ex(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *size)
{
+#ifdef OPENSSL_FIPS
+ return FIPS_digestfinal(ctx, md, size);
+#else
int ret;
OPENSSL_assert(ctx->digest->md_size <= EVP_MAX_MD_SIZE);
}
memset(ctx->md_data,0,ctx->digest->ctx_size);
return ret;
+#endif
}
int EVP_MD_CTX_copy(EVP_MD_CTX *out, const EVP_MD_CTX *in)
void EVP_MD_CTX_destroy(EVP_MD_CTX *ctx)
{
- EVP_MD_CTX_cleanup(ctx);
- OPENSSL_free(ctx);
+ if (ctx)
+ {
+ EVP_MD_CTX_cleanup(ctx);
+ OPENSSL_free(ctx);
+ }
}
/* This call frees resources associated with the context */
int EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx)
{
+#ifndef OPENSSL_FIPS
/* Don't assume ctx->md_data was cleaned in EVP_Digest_Final,
* because sometimes only copies of the context are ever finalised.
*/
OPENSSL_cleanse(ctx->md_data,ctx->digest->ctx_size);
OPENSSL_free(ctx->md_data);
}
+#endif
if (ctx->pctx)
EVP_PKEY_CTX_free(ctx->pctx);
#ifndef OPENSSL_NO_ENGINE
/* The EVP_MD we used belongs to an ENGINE, release the
* functional reference we held for this reason. */
ENGINE_finish(ctx->engine);
+#endif
+#ifdef OPENSSL_FIPS
+ FIPS_md_ctx_cleanup(ctx);
#endif
memset(ctx,'\0',sizeof *ctx);