[sw/spiflash] Remove OpenSSL dep. from spiflash
Switch spiflash to use the SHA256 implementation provided by
the vendored in cryptoc library.
Signed-off-by: Miguel Osorio <miguelosorio@google.com>
diff --git a/sw/host/spiflash/verilator_spi_interface.cc b/sw/host/spiflash/verilator_spi_interface.cc
index 5cd9e6a..db9e892 100644
--- a/sw/host/spiflash/verilator_spi_interface.cc
+++ b/sw/host/spiflash/verilator_spi_interface.cc
@@ -4,16 +4,16 @@
#include "sw/host/spiflash/verilator_spi_interface.h"
-#include <fcntl.h>
-#include <openssl/sha.h>
-#include <termios.h>
-#include <unistd.h>
-
#include <cstring>
+#include <fcntl.h>
#include <iostream>
#include <string>
+#include <termios.h>
+#include <unistd.h>
#include <vector>
+#include "cryptoc/sha256.h"
+
namespace opentitan {
namespace spiflash {
namespace {
@@ -109,11 +109,8 @@
}
bool VerilatorSpiInterface::CheckHash(const uint8_t *tx, size_t size) {
- uint8_t hash[SHA256_DIGEST_LENGTH];
- SHA256_CTX sha256;
- SHA256_Init(&sha256);
- SHA256_Update(&sha256, tx, size);
- SHA256_Final(hash, &sha256);
+ uint8_t hash[SHA256_DIGEST_SIZE];
+ SHA256_hash(tx, size, hash);
std::vector<uint8_t> rx(size);
size_t bytes_read = ReadBytes(fd_, &rx[0], size);
@@ -122,7 +119,7 @@
<< bytes_read << " expected: " << size << std::endl;
}
- return !std::memcmp(&rx[0], hash, SHA256_DIGEST_LENGTH);
+ return !std::memcmp(&rx[0], hash, SHA256_DIGEST_SIZE);
}
} // namespace spiflash
} // namespace opentitan
