1 /* $OpenBSD: bufec.c,v 1.4 2014/04/30 05:29:56 djm Exp $ */ 2 3 /* 4 * Copyright (c) 2012 Damien Miller <djm (at) mindrot.org> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 /* Emulation wrappers for legacy OpenSSH buffer API atop sshbuf */ 20 21 #include "includes.h" 22 23 #include <sys/types.h> 24 25 #include "buffer.h" 26 #include "log.h" 27 #include "ssherr.h" 28 29 #ifdef OPENSSL_HAS_ECC 30 31 int 32 buffer_put_ecpoint_ret(Buffer *buffer, const EC_GROUP *curve, 33 const EC_POINT *point) 34 { 35 int ret; 36 37 if ((ret = sshbuf_put_ec(buffer, point, curve)) != 0) { 38 error("%s: %s", __func__, ssh_err(ret)); 39 return -1; 40 } 41 return 0; 42 } 43 44 void 45 buffer_put_ecpoint(Buffer *buffer, const EC_GROUP *curve, 46 const EC_POINT *point) 47 { 48 if (buffer_put_ecpoint_ret(buffer, curve, point) == -1) 49 fatal("%s: buffer error", __func__); 50 } 51 52 int 53 buffer_get_ecpoint_ret(Buffer *buffer, const EC_GROUP *curve, 54 EC_POINT *point) 55 { 56 int ret; 57 58 if ((ret = sshbuf_get_ec(buffer, point, curve)) != 0) { 59 error("%s: %s", __func__, ssh_err(ret)); 60 return -1; 61 } 62 return 0; 63 } 64 65 void 66 buffer_get_ecpoint(Buffer *buffer, const EC_GROUP *curve, 67 EC_POINT *point) 68 { 69 if (buffer_get_ecpoint_ret(buffer, curve, point) == -1) 70 fatal("%s: buffer error", __func__); 71 } 72 73 #endif /* OPENSSL_HAS_ECC */ 74 75
