github.com/rdolbeau.SBusFPGA
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more AES/GCM

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This commit is contained in:
Romain Dolbeau
2021-08-26 10:27:55 -04:00
parent 28b857851a
commit 110db38eb2
3 changed files with 164 additions and 10 deletions
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47
NetBSD/9.0/usr/src/sys/dev/sbus/sbusfpga_curve25519engine.c
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@@ -118,7 +118,9 @@ int
sbusfpga_curve25519engine_close(dev_t dev, int flags, int mode, struct lwp *l)
{
struct sbusfpga_curve25519engine_softc *sc = device_lookup_private(&sbusfpga_c29e_cd, minor(dev));
power_off(sc);
if (sc->active_sessions == 0)
power_off(sc);
return (0);
}
@@ -145,8 +147,10 @@ static const uint32_t program_gcm[20] = {0x0010100d, 0x0094100d, 0x0118100d, 0x0
static const uint32_t program_aes[58] = {0x0001f003, 0x0005e012, 0x00841012, 0x01041012, 0x01841012, 0x0001d052, 0x00800052, 0x01000052, 0x01800052, 0x0005c012, 0x00841012, 0x01041012, 0x01841012, 0x0001b052, 0x00800052, 0x01000052, 0x01800052, 0x0005a012, 0x00841012, 0x01041012, 0x01841012, 0x00019052, 0x00800052, 0x01000052, 0x01800052, 0x00058012, 0x00841012, 0x01041012, 0x01841012, 0x00017052, 0x00800052, 0x01000052, 0x01800052, 0x00056012, 0x00841012, 0x01041012, 0x01841012, 0x00015052, 0x00800052, 0x01000052, 0x01800052, 0x00054012, 0x00841012, 0x01041012, 0x01841012, 0x00013052, 0x00800052, 0x01000052, 0x01800052, 0x00052012, 0x00841012, 0x01041012, 0x01841012, 0x02011052, 0x02800052, 0x03000052, 0x03800052, 0x0000000a };
static const uint32_t* programs[4] = { program_ec25519, program_gcm, program_aes, NULL };
static const uint32_t program_len[4] = { 134, 20, 58, 0 };
static const uint32_t program_gcm_ad[70] = {0x00400800, 0x00080840, 0x0001f403, 0x0005e012, 0x00841012, 0x01041012, 0x01841012, 0x0001d052, 0x00800052, 0x01000052, 0x01800052, 0x0005c012, 0x00841012, 0x01041012, 0x01841012, 0x0001b052, 0x00800052, 0x01000052, 0x01800052, 0x0005a012, 0x00841012, 0x01041012, 0x01841012, 0x00019052, 0x00800052, 0x01000052, 0x01800052, 0x00058012, 0x00841012, 0x01041012, 0x01841012, 0x00017052, 0x00800052, 0x01000052, 0x01800052, 0x00056012, 0x00841012, 0x01041012, 0x01841012, 0x00015052, 0x00800052, 0x01000052, 0x01800052, 0x00054012, 0x00841012, 0x01041012, 0x01841012, 0x00013052, 0x00800052, 0x01000052, 0x01800052, 0x00052012, 0x00841012, 0x01041012, 0x01841012, 0x02011052, 0x02800052, 0x03000052, 0x03800052, 0x03000089, 0x003c0000, 0x01400411, 0x0042b405, 0x01400411, 0x00080800, 0xe0000809, 0x00380000, 0x01bc03d1, 0x003cf3d1, 0x0000000a };
static const uint32_t* programs[5] = { program_ec25519, program_gcm, program_aes, program_gcm_ad, NULL };
static const uint32_t program_len[5] = { 134, 20, 58, 70, 0 };
static uint32_t program_offset[4];
/*
@@ -303,6 +307,7 @@ struct sbusfpga_curve25519engine_session {
#define SBUSFPGA_DO_MONTGOMERYJOB _IOWR(0, 0, struct sbusfpga_curve25519engine_montgomeryjob)
#define SBUSFPGA_EC25519_CHECKGCM _IOW(0, 1, struct sbusfpga_curve25519engine_montgomeryjob)
#define SBUSFPGA_EC25519_CHECKAES _IOW(0, 2, struct sbusfpga_curve25519engine_aesjob)
#define SBUSFPGA_EC25519_GCMAD _IOW(0, 3, struct sbusfpga_curve25519engine_aesjob)
#define SBUSFPGA_EC25519_OPENSESSION _IOR(1, 0, struct sbusfpga_curve25519engine_session)
#define SBUSFPGA_EC25519_CLOSESESSION _IOR(1, 1, struct sbusfpga_curve25519engine_session)
@@ -397,7 +402,7 @@ sbusfpga_curve25519engine_ioctl (dev_t dev, u_long cmd, void *data, int flag, st
}
for (reg = 31 ; reg > 16 ; reg--) {
for (i = 0 ; i < 8 ; i ++) {
bus_space_write_4(sc->sc_bustag, sc->sc_bhregs_regfile,SUBREG_ADDR(reg,i), job->keys[i]);
bus_space_write_4(sc->sc_bustag, sc->sc_bhregs_regfile,SUBREG_ADDR(reg,i), job->keys[i+8*(31-reg)]);
}
}
@@ -419,6 +424,40 @@ sbusfpga_curve25519engine_ioctl (dev_t dev, u_long cmd, void *data, int flag, st
}
}
break;
case SBUSFPGA_EC25519_GCMAD: {
const uint32_t base = 0;
struct sbusfpga_curve25519engine_aesjob* job = (struct sbusfpga_curve25519engine_aesjob*)data;
int reg, i;
curve25519engine_mpstart_write(sc, program_offset[3]); /* GCM_AD */
curve25519engine_mplen_write(sc, program_len[3]); /* GCM_AD */
for (i = 0 ; i < 8 ; i ++) {
bus_space_write_4(sc->sc_bustag, sc->sc_bhregs_regfile,SUBREG_ADDR(0,i), job->data[i]);
}
for (reg = 31 ; reg > 16 ; reg--) {
for (i = 0 ; i < 8 ; i ++) {
bus_space_write_4(sc->sc_bustag, sc->sc_bhregs_regfile,SUBREG_ADDR(reg,i), job->keys[i+8*(31-reg)]);
}
}
err = start_job(sc);
if (err)
return err;
delay(1);
err = wait_job(sc);
/* if (err) */
/* return err; */
for (reg = 0 ; reg < 32 ; reg++) {
uint32_t buf[8];
for (i = 0 ; i < 8 ; i ++) {
buf[i] = bus_space_read_4(sc->sc_bustag, sc->sc_bhregs_regfile,SUBREG_ADDR(reg,i));
}
device_printf(sc->sc_dev, "GCM_AD %d: 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x 0x%08x \n", reg,
buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6], buf[7]);
}
}
break;
case SBUSFPGA_EC25519_OPENSESSION:{
struct sbusfpga_curve25519engine_session* ses = (struct sbusfpga_curve25519engine_session*)data;
int s = get_session(sc);