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/*-------------------------------------------------------------------------
*
* 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();
}
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();
}
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();
}
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
}
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