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aikpub2: Output AIK signature algorithm

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This commit is contained in:
Andreas Steffen
2016-06-26 18:19:05 +02:00
parent 721ed31b39
commit 2343c48341
1 changed files with 14 additions and 1 deletions
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src/libtpmtss/tpm_tss_tss2.c
+14 -1
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@@ -346,6 +346,7 @@ METHOD(tpm_tss_t, get_public, chunk_t,
private_tpm_tss_tss2_t *this, uint32_t handle) private_tpm_tss_tss2_t *this, uint32_t handle)
{ {
TPM2B_PUBLIC public = { { 0, } }; TPM2B_PUBLIC public = { { 0, } };
TPM_ALG_ID sig_alg, digest_alg;
chunk_t aik_blob, aik_pubkey = chunk_empty; chunk_t aik_blob, aik_pubkey = chunk_empty;
if (!read_public(this, handle, &public)) if (!read_public(this, handle, &public))
@@ -362,8 +363,13 @@ METHOD(tpm_tss_t, get_public, chunk_t,
case TPM_ALG_RSA: case TPM_ALG_RSA:
{ {
TPM2B_PUBLIC_KEY_RSA *rsa; TPM2B_PUBLIC_KEY_RSA *rsa;
TPMT_RSA_SCHEME *scheme;
chunk_t aik_exponent, aik_modulus; chunk_t aik_exponent, aik_modulus;
scheme = &public.t.publicArea.parameters.rsaDetail.scheme;
sig_alg = scheme->scheme;
digest_alg = scheme->details.anySig.hashAlg;
rsa = &public.t.publicArea.unique.rsa; rsa = &public.t.publicArea.unique.rsa;
aik_modulus = chunk_create(rsa->t.buffer, rsa->t.size); aik_modulus = chunk_create(rsa->t.buffer, rsa->t.size);
aik_exponent = chunk_from_chars(0x01, 0x00, 0x01); aik_exponent = chunk_from_chars(0x01, 0x00, 0x01);
@@ -381,9 +387,14 @@ METHOD(tpm_tss_t, get_public, chunk_t,
case TPM_ALG_ECC: case TPM_ALG_ECC:
{ {
TPMS_ECC_POINT *ecc; TPMS_ECC_POINT *ecc;
TPMT_ECC_SCHEME *scheme;
chunk_t ecc_point; chunk_t ecc_point;
uint8_t *pos; uint8_t *pos;
scheme = &public.t.publicArea.parameters.eccDetail.scheme;
sig_alg = scheme->scheme;
digest_alg = scheme->details.anySig.hashAlg;
ecc = &public.t.publicArea.unique.ecc; ecc = &public.t.publicArea.unique.ecc;
/* allocate space for bit string */ /* allocate space for bit string */
@@ -409,8 +420,10 @@ METHOD(tpm_tss_t, get_public, chunk_t,
} }
default: default:
DBG1(DBG_PTS, "%s unsupported AIK key type", LABEL); DBG1(DBG_PTS, "%s unsupported AIK key type", LABEL);
return chunk_empty;
} }
DBG1(DBG_PTS, "AIK signature algorithm is %N with %N hash",
tpm_alg_id_names, sig_alg, tpm_alg_id_names, digest_alg);
return aik_pubkey; return aik_pubkey;
} }