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Add support to read and write rsa related fields on t124

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This allow creating and reading signed images for secure boot on t124.

Signed-off-by: Alban Bedel <alban.bedel@avionic-design.de>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
This commit is contained in:
Alban Bedel
2015-11-05 17:03:22 +01:00
committed by Stephen Warren
parent 1f88ba7147
commit dc73894abe
1 changed files with 64 additions and 2 deletions
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66
src/t124/nvbctlib_t124.c
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@@ -113,7 +113,10 @@ parse_token t124_root_token_list[] = {
token_crypto_length,
token_max_bct_search_blks,
token_unique_chip_id,
token_secure_jtag_control
token_secure_jtag_control,
token_rsa_key_modulus,
token_rsa_pss_sig_bl,
token_rsa_pss_sig_bct
};
int
@@ -876,6 +879,12 @@ t124_getbl_param(u_int32_t set,
sizeof(nvboot_hash));
break;
case token_rsa_pss_sig_bl:
reverse_byte_order((u_int8_t *)data,
(const u_int8_t *)&bct_ptr->bootloader[set].signature.rsa_pss_sig,
sizeof(nvboot_rsa_pss_sig));
break;
default:
return -ENODATA;
}
@@ -974,6 +983,17 @@ t124_bct_get_value(parse_token id, void *data, u_int8_t *bct)
memcpy(data, &(bct_ptr->unique_chip_id), sizeof(nvboot_ecid));
break;
case token_rsa_key_modulus:
reverse_byte_order(data, (const u_int8_t *)&bct_ptr->key,
sizeof(nvboot_rsa_key_modulus));
break;
case token_rsa_pss_sig_bct:
reverse_byte_order(data,
(const u_int8_t *)&bct_ptr->signature.rsa_pss_sig,
sizeof(nvboot_rsa_pss_sig));
break;
case token_reserved_offset:
*((u_int32_t *)data) = (u_int8_t *)&(samplebct.reserved)
- (u_int8_t *)&samplebct;
@@ -1019,6 +1039,28 @@ t124_bct_get_value(parse_token id, void *data, u_int8_t *bct)
return 0;
}
int
t124_bct_get_value_size(parse_token id)
{
switch (id) {
case token_rsa_key_modulus:
return sizeof(nvboot_rsa_key_modulus);
case token_rsa_pss_sig_bl:
return sizeof(nvboot_rsa_pss_sig);
case token_rsa_pss_sig_bct:
return sizeof(nvboot_rsa_pss_sig);
/*
* Other bct fields can be added in when needed
*/
default:
return -ENODATA;
}
return 0;
}
int
t124_bct_set_value(parse_token id, void *data, u_int8_t *bct)
{
@@ -1044,6 +1086,26 @@ t124_bct_set_value(parse_token id, void *data, u_int8_t *bct)
memcpy(&bct_ptr->unique_chip_id, data, sizeof(nvboot_ecid));
break;
case token_rsa_key_modulus:
reverse_byte_order((u_int8_t *)&bct_ptr->key, data,
sizeof(nvboot_rsa_key_modulus));
break;
case token_rsa_pss_sig_bl:
/*
* Update bootloader 0 since there is only one copy
* of bootloader being built in.
*/
reverse_byte_order(
(u_int8_t *)&bct_ptr->bootloader[0].signature.rsa_pss_sig,
data, sizeof(nvboot_rsa_pss_sig));
break;
case token_rsa_pss_sig_bct:
reverse_byte_order((u_int8_t *)&bct_ptr->signature.rsa_pss_sig,
data, sizeof(nvboot_rsa_pss_sig));
break;
default:
return -ENODATA;
}
@@ -1125,7 +1187,7 @@ cbootimage_soc_config tegra124_config = {
.getbl_param = t124_getbl_param,
.set_value = t124_bct_set_value,
.get_value = t124_bct_get_value,
.get_value_size = bct_get_unsupported,
.get_value_size = t124_bct_get_value_size,
.set_data = t124_bct_set_data,
.get_bct_size = t124_get_bct_size,
.token_supported = t124_bct_token_supported,