Revert "Add key management system" (978f869b99) & later commits

The patch needs test cases, reorganization, and cfbot testing.
Technically reverts commits 5c31afc49d..e35b2bad1a (exclusive/inclusive)
and 08db7c63f3..ccbe34139b.

Reported-by: Tom Lane, Michael Paquier

Discussion: https://postgr.es/m/E1ktAAG-0002V2-VB@gemulon.postgresql.org

1 files changed, 0 insertions, 70 deletions

diff --git a/src/common/cipher.c b/src/common/cipher.c
deleted file mode 100644
index 483cb610a3d..00000000000
--- a/src/common/cipher.c
+++ /dev/null
@@ -1,70 +0,0 @@
-/*-------------------------------------------------------------------------
- *
- * cipher.c
- *	  Shared frontend/backend for cryptographic functions
- *
- * Copyright (c) 2020, PostgreSQL Global Development Group
- *
- * IDENTIFICATION
- *	  src/common/cipher.c
- *
- *-------------------------------------------------------------------------
- */
-
-#ifndef FRONTEND
-#include "postgres.h"
-#else
-#include "postgres_fe.h"
-#endif
-
-#include "common/cipher.h"
-
-static void cipher_failure(void) pg_attribute_noreturn();
-
-
-PgCipherCtx *
-pg_cipher_ctx_create(int cipher, uint8 *key, int klen, bool enc)
-{
-	cipher_failure();
-	return NULL;				/* keep compiler quiet */
-}
-
-void
-pg_cipher_ctx_free(PgCipherCtx *ctx)
-{
-	cipher_failure();
-}
-
-bool
-pg_cipher_encrypt(PgCipherCtx *ctx, const unsigned char *plaintext,
-				  const int inlen, unsigned char *ciphertext, int *outlen,
-				  const unsigned char *iv, const int ivlen,
-				  unsigned char *outtag, const int taglen)
-{
-	cipher_failure();
-	return false;				/* keep compiler quiet */
-}
-
-bool
-pg_cipher_decrypt(PgCipherCtx *ctx, const unsigned char *ciphertext,
-				  const int inlen, unsigned char *plaintext, int *outlen,
-				  const unsigned char *iv, const int ivlen,
-				  unsigned char *intag, const int taglen)
-{
-	cipher_failure();
-	return false;				/* keep compiler quiet */
-}
-
-static void
-cipher_failure(void)
-{
-#ifndef FRONTEND
-	ereport(ERROR,
-			(errcode(ERRCODE_CONFIG_FILE_ERROR),
-			 (errmsg("cluster file encryption is not supported because OpenSSL is not supported by this build"),
-			  errhint("Compile with --with-openssl to use this feature."))));
-#else
-	fprintf(stderr, _("cluster file encryption is not supported because OpenSSL is not supported by this build"));
-	exit(1);
-#endif
-}