aikpub2: Output AIK signature algorithm
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721ed31b39
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@ -346,6 +346,7 @@ METHOD(tpm_tss_t, get_public, chunk_t,
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private_tpm_tss_tss2_t *this, uint32_t handle)
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{
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TPM2B_PUBLIC public = { { 0, } };
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TPM_ALG_ID sig_alg, digest_alg;
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chunk_t aik_blob, aik_pubkey = chunk_empty;
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if (!read_public(this, handle, &public))
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@ -362,8 +363,13 @@ METHOD(tpm_tss_t, get_public, chunk_t,
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case TPM_ALG_RSA:
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{
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TPM2B_PUBLIC_KEY_RSA *rsa;
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TPMT_RSA_SCHEME *scheme;
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chunk_t aik_exponent, aik_modulus;
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scheme = &public.t.publicArea.parameters.rsaDetail.scheme;
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sig_alg = scheme->scheme;
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digest_alg = scheme->details.anySig.hashAlg;
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rsa = &public.t.publicArea.unique.rsa;
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aik_modulus = chunk_create(rsa->t.buffer, rsa->t.size);
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aik_exponent = chunk_from_chars(0x01, 0x00, 0x01);
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@ -381,9 +387,14 @@ METHOD(tpm_tss_t, get_public, chunk_t,
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case TPM_ALG_ECC:
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{
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TPMS_ECC_POINT *ecc;
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TPMT_ECC_SCHEME *scheme;
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chunk_t ecc_point;
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uint8_t *pos;
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scheme = &public.t.publicArea.parameters.eccDetail.scheme;
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sig_alg = scheme->scheme;
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digest_alg = scheme->details.anySig.hashAlg;
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ecc = &public.t.publicArea.unique.ecc;
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/* allocate space for bit string */
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@ -409,8 +420,10 @@ METHOD(tpm_tss_t, get_public, chunk_t,
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}
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default:
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DBG1(DBG_PTS, "%s unsupported AIK key type", LABEL);
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return chunk_empty;
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}
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DBG1(DBG_PTS, "AIK signature algorithm is %N with %N hash",
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tpm_alg_id_names, sig_alg, tpm_alg_id_names, digest_alg);
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return aik_pubkey;
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}
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