diff options
| author | Raymond Mao <raymond.mao@linaro.org> | 2024-12-24 08:01:13 -0800 |
|---|---|---|
| committer | Ilias Apalodimas <ilias.apalodimas@linaro.org> | 2025-01-07 15:45:52 +0200 |
| commit | 3a054eca73ad159f78908207a2970b6c0518a3cf (patch) | |
| tree | 1259761a9f1a3e4975044fb5ffae7817932034c0 /lib/tpm_tcg2.c | |
| parent | 3dbd84cb10aa64478e7ce9d3ee32ce1f44c169f6 (diff) | |
tpm: add kconfig control in tcg2_create_digest()
To allow disabling algorithms for tcg2, in function
tcg2_create_digest(), each hash algorithm operations should under
the hash kconfig control to avoid building errors when the algorithm
is disabled.
Signed-off-by: Raymond Mao <raymond.mao@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Diffstat (limited to 'lib/tpm_tcg2.c')
| -rw-r--r-- | lib/tpm_tcg2.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/lib/tpm_tcg2.c b/lib/tpm_tcg2.c index 37818fcc851..4134d93a358 100644 --- a/lib/tpm_tcg2.c +++ b/lib/tpm_tcg2.c @@ -95,9 +95,15 @@ int tcg2_create_digest(struct udevice *dev, const u8 *input, u32 length, { struct tpm_chip_priv *priv = dev_get_uclass_priv(dev); u8 final[sizeof(union tpmu_ha)]; +#if IS_ENABLED(CONFIG_SHA256) sha256_context ctx_256; +#endif +#if IS_ENABLED(CONFIG_SHA512) sha512_context ctx_512; +#endif +#if IS_ENABLED(CONFIG_SHA1) sha1_context ctx; +#endif size_t i; u32 len; @@ -105,30 +111,38 @@ int tcg2_create_digest(struct udevice *dev, const u8 *input, u32 length, for (i = 0; i < priv->active_bank_count; i++) { switch (priv->active_banks[i]) { +#if IS_ENABLED(CONFIG_SHA1) case TPM2_ALG_SHA1: sha1_starts(&ctx); sha1_update(&ctx, input, length); sha1_finish(&ctx, final); len = TPM2_SHA1_DIGEST_SIZE; break; +#endif +#if IS_ENABLED(CONFIG_SHA256) case TPM2_ALG_SHA256: sha256_starts(&ctx_256); sha256_update(&ctx_256, input, length); sha256_finish(&ctx_256, final); len = TPM2_SHA256_DIGEST_SIZE; break; +#endif +#if IS_ENABLED(CONFIG_SHA384) case TPM2_ALG_SHA384: sha384_starts(&ctx_512); sha384_update(&ctx_512, input, length); sha384_finish(&ctx_512, final); len = TPM2_SHA384_DIGEST_SIZE; break; +#endif +#if IS_ENABLED(CONFIG_SHA512) case TPM2_ALG_SHA512: sha512_starts(&ctx_512); sha512_update(&ctx_512, input, length); sha512_finish(&ctx_512, final); len = TPM2_SHA512_DIGEST_SIZE; break; +#endif default: printf("%s: unsupported algorithm %x\n", __func__, priv->active_banks[i]); |