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Fix CryptoCore signatures, add SHA1 context.

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Fix hash size in SHA256 signature
Fix source parameter in hash context update function to be const.
Add SHA1 hash context.
This commit is contained in:
Fabio Alessandrelli 2019-07-11 13:20:27 +02:00
parent cce148b024
commit 5cb41faece
2 changed files with 46 additions and 6 deletions
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32
core/math/crypto_core.cpp
View file

@ -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;
}

20
core/math/crypto_core.h
View file

@ -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 {