if (ctx->digest && ctx->digest->ctx_size)
OPENSSL_free(ctx->md_data);
ctx->digest=type;
- if (type->ctx_size)
+ if (!(ctx->flags & EVP_MD_CTX_FLAG_NO_INIT) && type->ctx_size)
+ {
+ ctx->update = type->update;
ctx->md_data=OPENSSL_malloc(type->ctx_size);
+ }
}
#ifndef OPENSSL_NO_ENGINE
skip_to_init:
#endif
+ if (ctx->pctx)
+ {
+ int r;
+ r = EVP_PKEY_CTX_ctrl(ctx->pctx, -1, EVP_PKEY_OP_TYPE_SIG,
+ EVP_PKEY_CTRL_DIGESTINIT, 0, ctx);
+ if (r <= 0 && (r != -2))
+ return 0;
+ }
+ if (ctx->flags & EVP_MD_CTX_FLAG_NO_INIT)
+ return 1;
return ctx->digest->init(ctx);
}
int EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *data,
size_t count)
{
- return ctx->digest->update(ctx,data,count);
+ return ctx->update(ctx,data,count);
}
/* The caller can assume that this removes any secret data from the context */
EVP_MD_CTX_cleanup(out);
memcpy(out,in,sizeof *out);
- if (out->digest->ctx_size)
+ if (in->md_data && out->digest->ctx_size)
{
if (tmp_buf) out->md_data = tmp_buf;
else out->md_data=OPENSSL_malloc(out->digest->ctx_size);
memcpy(out->md_data,in->md_data,out->digest->ctx_size);
}
+ if (in->pctx)
+ {
+ out->pctx = EVP_PKEY_CTX_dup(in->pctx);
+ if (!out->pctx)
+ {
+ EVP_MD_CTX_cleanup(out);
+ return 0;
+ }
+ }
+
if (out->digest->copy)
return out->digest->copy(out,in);
OPENSSL_cleanse(ctx->md_data,ctx->digest->ctx_size);
OPENSSL_free(ctx->md_data);
}
+ if (ctx->pctx)
+ EVP_PKEY_CTX_free(ctx->pctx);
#ifndef OPENSSL_NO_ENGINE
if(ctx->engine)
/* The EVP_MD we used belongs to an ENGINE, release the