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bootloader_support: initialize mbedtls_ctr_drbg_context per mbedtls v2.16.5 requirement

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In commit 02d2903e39e87f185c5af9029b2c09c0943b8b05, mbedtls was
updated to release v2.16.5, where it was made mandatory to initialize
mbedtls_ctr_drbg_context before using same. It was fixed in wpa supplicant
but missed out in secure boot v2 verification code. This commit
fixes that.
This commit is contained in:
Mahavir Jain 2020-03-20 20:42:10 +05:30
parent 6330b3345e
commit 409b3db22f
1 changed files with 1 additions and 0 deletions
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components/bootloader_support/src/idf/secure_boot_signatures.c
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@ -207,6 +207,7 @@ esp_err_t esp_secure_boot_verify_rsa_signature_block(const ets_secure_boot_signa
}
mbedtls_entropy_init(&entropy);
mbedtls_ctr_drbg_init(&ctr_drbg);
ret = mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy, NULL, 0);
if (ret != 0) {
ESP_LOGE(TAG, "mbedtls_ctr_drbg_seed returned -0x%04x\n", ret);