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use evp interface

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This commit is contained in:
J. Nick Koston
2025-09-21 10:44:09 -06:00
parent d1fb3336f0
commit ada1b00cad
2 changed files with 16 additions and 6 deletions
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18
esphome/components/sha256/sha256.cpp
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@@ -69,13 +69,22 @@ void SHA256::calculate() {
#elif defined(USE_HOST)
SHA256::~SHA256() = default;
SHA256::~SHA256() {
if (this->ctx_ && this->ctx_->ctx) {
EVP_MD_CTX_free(this->ctx_->ctx);
this->ctx_->ctx = nullptr;
}
}
void SHA256::init() {
if (!this->ctx_) {
this->ctx_ = std::make_unique<SHA256Context>();
}
SHA256_Init(&this->ctx_->ctx);
if (this->ctx_->ctx) {
EVP_MD_CTX_free(this->ctx_->ctx);
}
this->ctx_->ctx = EVP_MD_CTX_new();
EVP_DigestInit_ex(this->ctx_->ctx, EVP_sha256(), nullptr);
this->ctx_->calculated = false;
}
@@ -83,7 +92,7 @@ void SHA256::add(const uint8_t *data, size_t len) {
if (!this->ctx_) {
this->init();
}
SHA256_Update(&this->ctx_->ctx, data, len);
EVP_DigestUpdate(this->ctx_->ctx, data, len);
}
void SHA256::calculate() {
@@ -91,7 +100,8 @@ void SHA256::calculate() {
this->init();
}
if (!this->ctx_->calculated) {
SHA256_Final(this->ctx_->hash, &this->ctx_->ctx);
unsigned int len = 32;
EVP_DigestFinal_ex(this->ctx_->ctx, this->ctx_->hash, &len);
this->ctx_->calculated = true;
}
}