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poly1305: Don't export generic Poly1305_* symbols from xform_poly1305.c.

Browse source 
There currently isn't a need to provide a public interface to a
software Poly1305 implementation beyond what is already available via
libsodium's APIs and these symbols conflict with symbols shared within
the ossl.ko module between ossl_poly1305.c and ossl_chacha20.c.

Reported by:	se, kp
Fixes:		78991a93eb
Sponsored by:	Netflix
This commit is contained in:
John Baldwin 2021-03-05 09:47:58 -08:00
parent 732b69c9f9
commit bb6e84c988
2 changed files with 12 additions and 47 deletions
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43
sys/opencrypto/xform_poly1305.c
View file

@ -4,7 +4,6 @@
__FBSDID("$FreeBSD$");
#include <opencrypto/xform_auth.h>
#include <opencrypto/xform_poly1305.h>
#include <sodium/crypto_onetimeauth_poly1305.h>
@ -16,16 +15,16 @@ CTASSERT(sizeof(union authctx) >= sizeof(struct poly1305_xform_ctx));
CTASSERT(POLY1305_KEY_LEN == crypto_onetimeauth_poly1305_KEYBYTES);
CTASSERT(POLY1305_HASH_LEN == crypto_onetimeauth_poly1305_BYTES);
void
Poly1305_Init(void *polyctx)
static void
xform_Poly1305_Init(void *polyctx)
{
/* Nop */
}
void
Poly1305_Setkey(struct poly1305_xform_ctx *polyctx,
const uint8_t key[__min_size(POLY1305_KEY_LEN)], size_t klen)
static void
xform_Poly1305_Setkey(void *ctx, const uint8_t *key, u_int klen)
{
struct poly1305_xform_ctx *polyctx = ctx;
int rc;
if (klen != POLY1305_KEY_LEN)
@ -36,16 +35,10 @@ Poly1305_Setkey(struct poly1305_xform_ctx *polyctx,
panic("%s: Invariant violated: %d", __func__, rc);
}
static void
xform_Poly1305_Setkey(void *ctx, const uint8_t *key, u_int klen)
{
Poly1305_Setkey(ctx, key, klen);
}
int
Poly1305_Update(struct poly1305_xform_ctx *polyctx, const void *data,
size_t len)
static int
xform_Poly1305_Update(void *ctx, const void *data, u_int len)
{
struct poly1305_xform_ctx *polyctx = ctx;
int rc;
rc = crypto_onetimeauth_poly1305_update(&polyctx->state, data, len);
@ -54,16 +47,10 @@ Poly1305_Update(struct poly1305_xform_ctx *polyctx, const void *data,
return (0);
}
static int
xform_Poly1305_Update(void *ctx, const void *data, u_int len)
{
return (Poly1305_Update(ctx, data, len));
}
void
Poly1305_Final(uint8_t digest[__min_size(POLY1305_HASH_LEN)],
struct poly1305_xform_ctx *polyctx)
static void
xform_Poly1305_Final(uint8_t *digest, void *ctx)
{
struct poly1305_xform_ctx *polyctx = ctx;
int rc;
rc = crypto_onetimeauth_poly1305_final(&polyctx->state, digest);
@ -71,12 +58,6 @@ Poly1305_Final(uint8_t digest[__min_size(POLY1305_HASH_LEN)],
panic("%s: Invariant violated: %d", __func__, rc);
}
static void
xform_Poly1305_Final(uint8_t *digest, void *ctx)
{
Poly1305_Final(digest, ctx);
}
struct auth_hash auth_hash_poly1305 = {
.type = CRYPTO_POLY1305,
.name = "Poly-1305",
@ -84,7 +65,7 @@ struct auth_hash auth_hash_poly1305 = {
.hashsize = POLY1305_HASH_LEN,
.ctxsize = sizeof(struct poly1305_xform_ctx),
.blocksize = crypto_onetimeauth_poly1305_BYTES,
.Init = Poly1305_Init,
.Init = xform_Poly1305_Init,
.Setkey = xform_Poly1305_Setkey,
.Update = xform_Poly1305_Update,
.Final = xform_Poly1305_Final,

16
sys/opencrypto/xform_poly1305.h
View file

@ -1,16 +0,0 @@
/* This file is in the public domain. */
/* $FreeBSD$ */
#pragma once
#include <sys/types.h>
struct poly1305_xform_ctx;
void Poly1305_Init(void *);
void Poly1305_Setkey(struct poly1305_xform_ctx *,
const uint8_t [__min_size(32)], size_t);
int Poly1305_Update(struct poly1305_xform_ctx *, const void *, size_t);
void Poly1305_Final(uint8_t [__min_size(16)], struct poly1305_xform_ctx *);