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authorFabio Alessandrelli <fabio.alessandrelli@gmail.com>2019-07-11 13:20:27 +0200
committerFabio Alessandrelli <fabio.alessandrelli@gmail.com>2019-08-19 16:29:37 +0200
commit5cb41faece5969314ed69e0292d0a51f0425c53a (patch)
tree67e85cbfea570de97d9652eb9940202216ebe0d4
parentcce148b0242836b5c32a7fa6c39013a2fc1c9eff (diff)
Fix CryptoCore signatures, add SHA1 context.
Fix hash size in SHA256 signature Fix source parameter in hash context update function to be const. Add SHA1 hash context.
-rw-r--r--core/math/crypto_core.cpp32
-rw-r--r--core/math/crypto_core.h20
2 files changed, 46 insertions, 6 deletions
diff --git a/core/math/crypto_core.cpp b/core/math/crypto_core.cpp
index d7ba54e469..51c2e3c9e5 100644
--- a/core/math/crypto_core.cpp
+++ b/core/math/crypto_core.cpp
@@ -52,7 +52,7 @@ Error CryptoCore::MD5Context::start() {
return ret ? FAILED : OK;
}
-Error CryptoCore::MD5Context::update(uint8_t *p_src, size_t p_len) {
+Error CryptoCore::MD5Context::update(const uint8_t *p_src, size_t p_len) {
int ret = mbedtls_md5_update_ret((mbedtls_md5_context *)ctx, p_src, p_len);
return ret ? FAILED : OK;
}
@@ -62,6 +62,32 @@ Error CryptoCore::MD5Context::finish(unsigned char r_hash[16]) {
return ret ? FAILED : OK;
}
+// SHA1
+CryptoCore::SHA1Context::SHA1Context() {
+ ctx = memalloc(sizeof(mbedtls_sha1_context));
+ mbedtls_sha1_init((mbedtls_sha1_context *)ctx);
+}
+
+CryptoCore::SHA1Context::~SHA1Context() {
+ mbedtls_sha1_free((mbedtls_sha1_context *)ctx);
+ memfree((mbedtls_sha1_context *)ctx);
+}
+
+Error CryptoCore::SHA1Context::start() {
+ int ret = mbedtls_sha1_starts_ret((mbedtls_sha1_context *)ctx);
+ return ret ? FAILED : OK;
+}
+
+Error CryptoCore::SHA1Context::update(const uint8_t *p_src, size_t p_len) {
+ int ret = mbedtls_sha1_update_ret((mbedtls_sha1_context *)ctx, p_src, p_len);
+ return ret ? FAILED : OK;
+}
+
+Error CryptoCore::SHA1Context::finish(unsigned char r_hash[20]) {
+ int ret = mbedtls_sha1_finish_ret((mbedtls_sha1_context *)ctx, r_hash);
+ return ret ? FAILED : OK;
+}
+
// SHA256
CryptoCore::SHA256Context::SHA256Context() {
ctx = memalloc(sizeof(mbedtls_sha256_context));
@@ -78,12 +104,12 @@ Error CryptoCore::SHA256Context::start() {
return ret ? FAILED : OK;
}
-Error CryptoCore::SHA256Context::update(uint8_t *p_src, size_t p_len) {
+Error CryptoCore::SHA256Context::update(const uint8_t *p_src, size_t p_len) {
int ret = mbedtls_sha256_update_ret((mbedtls_sha256_context *)ctx, p_src, p_len);
return ret ? FAILED : OK;
}
-Error CryptoCore::SHA256Context::finish(unsigned char r_hash[16]) {
+Error CryptoCore::SHA256Context::finish(unsigned char r_hash[32]) {
int ret = mbedtls_sha256_finish_ret((mbedtls_sha256_context *)ctx, r_hash);
return ret ? FAILED : OK;
}
diff --git a/core/math/crypto_core.h b/core/math/crypto_core.h
index e28cb5a792..c859d612d4 100644
--- a/core/math/crypto_core.h
+++ b/core/math/crypto_core.h
@@ -46,10 +46,24 @@ public:
~MD5Context();
Error start();
- Error update(uint8_t *p_src, size_t p_len);
+ Error update(const uint8_t *p_src, size_t p_len);
Error finish(unsigned char r_hash[16]);
};
+ class SHA1Context {
+
+ private:
+ void *ctx; // To include, or not to include...
+
+ public:
+ SHA1Context();
+ ~SHA1Context();
+
+ Error start();
+ Error update(const uint8_t *p_src, size_t p_len);
+ Error finish(unsigned char r_hash[20]);
+ };
+
class SHA256Context {
private:
@@ -60,8 +74,8 @@ public:
~SHA256Context();
Error start();
- Error update(uint8_t *p_src, size_t p_len);
- Error finish(unsigned char r_hash[16]);
+ Error update(const uint8_t *p_src, size_t p_len);
+ Error finish(unsigned char r_hash[32]);
};
class AESContext {