98 lines
3.0 KiB
Diff
98 lines
3.0 KiB
Diff
From f41a45b080cb9c6f59879a3e23f9ec2380015a16 Mon Sep 17 00:00:00 2001
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From: Gary Lin <glin@suse.com>
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Date: Thu, 25 Apr 2024 16:21:45 +0800
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Subject: [PATCH] tpm2: Add extra RSA SRK types
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Since fde-tools may set RSA3072 and RSA4096 as the SRK type, grub2 has
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to support those parameters.
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Signed-off-by: Gary Lin <glin@suse.com>
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---
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grub-core/tpm2/args.c | 12 ++++++++++++
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grub-core/tpm2/module.c | 16 ++++++++++++++--
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util/grub-protect.c | 4 ++--
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3 files changed, 28 insertions(+), 4 deletions(-)
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diff --git a/grub-core/tpm2/args.c b/grub-core/tpm2/args.c
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index c11280ab9..d140364d2 100644
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--- a/grub-core/tpm2/args.c
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+++ b/grub-core/tpm2/args.c
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@@ -92,6 +92,18 @@ grub_tpm2_protector_parse_asymmetric (const char *value,
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srk_type->type = TPM_ALG_RSA;
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srk_type->detail.rsa_bits = 2048;
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}
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+ else if (grub_strcasecmp (value, "RSA") == 0 ||
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+ grub_strcasecmp (value, "RSA3072") == 0)
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+ {
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+ srk_type->type = TPM_ALG_RSA;
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+ srk_type->detail.rsa_bits = 3072;
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+ }
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+ else if (grub_strcasecmp (value, "RSA") == 0 ||
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+ grub_strcasecmp (value, "RSA4096") == 0)
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+ {
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+ srk_type->type = TPM_ALG_RSA;
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+ srk_type->detail.rsa_bits = 4096;
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+ }
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else
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return grub_error (GRUB_ERR_OUT_OF_RANGE,
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N_("Value '%s' is not a valid asymmetric key type"),
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diff --git a/grub-core/tpm2/module.c b/grub-core/tpm2/module.c
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index b754b38df..8b72ed6fa 100644
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--- a/grub-core/tpm2/module.c
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+++ b/grub-core/tpm2/module.c
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@@ -136,8 +136,8 @@ static const struct grub_arg_option grub_tpm2_protector_init_cmd_options[] =
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.arg = NULL,
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.type = ARG_TYPE_STRING,
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.doc =
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- N_("In SRK mode, the type of SRK: RSA (RSA2048) and ECC (ECC_NIST_P256)"
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- "(default: ECC)"),
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+ N_("In SRK mode, the type of SRK: RSA (RSA2048), RSA3072, RSA4096, "
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+ "and ECC (ECC_NIST_P256). (default: ECC)"),
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},
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/* NV Index-mode options */
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{
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@@ -541,6 +541,10 @@ srk_type_to_name (grub_srk_type_t srk_type)
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{
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case 2048:
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return "RSA2048";
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+ case 3072:
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+ return "RSA3072";
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+ case 4096:
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+ return "RSA4096";
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}
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}
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@@ -561,6 +565,14 @@ grub_tpm2_protector_load_key (const struct grub_tpm2_protector_context *ctx,
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.type = TPM_ALG_ECC,
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.detail.ecc_curve = TPM_ECC_NIST_P256,
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},
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+ {
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+ .type = TPM_ALG_RSA,
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+ .detail.rsa_bits = 4096,
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+ },
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+ {
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+ .type = TPM_ALG_RSA,
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+ .detail.rsa_bits = 3072,
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+ },
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{
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.type = TPM_ALG_RSA,
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.detail.rsa_bits = 2048,
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diff --git a/util/grub-protect.c b/util/grub-protect.c
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index 869f45861..00be03ca0 100644
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--- a/util/grub-protect.c
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+++ b/util/grub-protect.c
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@@ -199,8 +199,8 @@ static struct argp_option grub_protect_options[] =
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.arg = "TYPE",
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.flags = 0,
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.doc =
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- N_("The type of SRK: RSA (RSA2048) and ECC (ECC_NIST_P256)."
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- "(default: ECC)"),
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+ N_("The type of SRK: RSA (RSA2048), RSA3072, RSA4096, "
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+ "and ECC (ECC_NIST_P256). (default: ECC)"),
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.group = 0
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},
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{
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--
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2.35.3
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