[DNM] Upmerge TF-M v2.1.0 Mbed TLS v3.6.0

.github/workflows/commit-tags.yml

@@ -0,0 +1,31 @@
+name: Commit tags
+
+on: pull_request
+
+jobs:
+  commit_tags:
+    runs-on: ubuntu-22.04
+    name: Run commit tags checks on patch series (PR)
+    steps:
+    - name: Update PATH for west
+      run: |
+        echo "$HOME/.local/bin" >> $GITHUB_PATH
+
+    - name: Checkout the code
+      uses: actions/checkout@v3
+      with:
+        ref: ${{ github.event.pull_request.head.sha }}
+        fetch-depth: 0
+
+    - name: Install python dependencies
+      run: |
+        pip3 install setuptools
+        pip3 install wheel
+        pip3 install gitlint
+
+    - name: Run the commit tags
+      uses: nrfconnect/action-commit-tags@main
+      with:
+        target: '.'
+        baserev: origin/${{ github.base_ref }}
+        revrange: 'none'

boot/bootutil/include/bootutil/crypto/ecdsa.h

@@ -34,6 +34,7 @@
 
 #if (defined(MCUBOOT_USE_TINYCRYPT) + \
      defined(MCUBOOT_USE_CC310) + \
+     defined(MCUBOOT_USE_NRF_EXTERNAL_CRYPTO) + \
      defined(MCUBOOT_USE_PSA_OR_MBED_TLS)) != 1
     #error "One crypto backend must be defined: either CC310/TINYCRYPT/MBED_TLS/PSA_CRYPTO"
 #endif
@@ -70,12 +71,18 @@
 #include "bootutil/sign_key.h"
 #include "common.h"
 
+#if defined(MCUBOOT_USE_NRF_EXTERNAL_CRYPTO)
+    #include <bl_crypto.h>
+    #define NUM_ECC_BYTES (256 / 8)
+#endif /* MCUBOOT_USE_NRF_EXTERNAL_CRYPTO */
+
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 #if (defined(MCUBOOT_USE_TINYCRYPT) || defined(MCUBOOT_USE_MBED_TLS) || \
-     defined(MCUBOOT_USE_CC310)) && !defined(MCUBOOT_USE_PSA_CRYPTO)
+     defined(MCUBOOT_USE_CC310) || defined(MCUBOOT_USE_NRF_EXTERNAL_CRYPTO)) \
+     && !defined(MCUBOOT_USE_PSA_CRYPTO)
 /*
  * Declaring these like this adds NULL termination.
  */
@@ -127,8 +134,6 @@ static int bootutil_import_key(uint8_t **cp, uint8_t *end)
 }
 #endif /* (MCUBOOT_USE_TINYCRYPT || MCUBOOT_USE_MBED_TLS || MCUBOOT_USE_CC310) && !MCUBOOT_USE_PSA_CRYPTO */
 
-#if defined(MCUBOOT_USE_TINYCRYPT)
-#ifndef MCUBOOT_ECDSA_NEED_ASN1_SIG
 /*
  * cp points to ASN1 string containing an integer.
  * Verify the tag, and that the length is 32 bytes. Helper function.
@@ -178,8 +183,8 @@ static int bootutil_decode_sig(uint8_t signature[NUM_ECC_BYTES * 2], uint8_t *cp
     }
     return 0;
 }
-#endif /* not MCUBOOT_ECDSA_NEED_ASN1_SIG */
 
+#if defined(MCUBOOT_USE_TINYCRYPT)
 typedef uintptr_t bootutil_ecdsa_context;
 static inline void bootutil_ecdsa_init(bootutil_ecdsa_context *ctx)
 {
@@ -248,16 +253,20 @@ static inline int bootutil_ecdsa_verify(bootutil_ecdsa_context *ctx,
 {
     (void)ctx;
     (void)pk_len;
-    (void)sig_len;
     (void)hash_len;
+    uint8_t dsig[2 * NUM_ECC_BYTES];
+
+    if (bootutil_decode_sig(dsig, sig, sig + sig_len)) {
+        return -1;
+    }
 
     /* Only support uncompressed keys. */
     if (pk[0] != 0x04) {
         return -1;
     }
     pk++;
 
-    return cc310_ecdsa_verify_secp256r1(hash, pk, sig, BOOTUTIL_CRYPTO_ECDSA_P256_HASH_SIZE);
+    return cc310_ecdsa_verify_secp256r1(hash, pk, dsig, BOOTUTIL_CRYPTO_ECDSA_P256_HASH_SIZE);
 }
 
 static inline int bootutil_ecdsa_parse_public_key(bootutil_ecdsa_context *ctx,
@@ -613,6 +622,49 @@ static inline int bootutil_ecdsa_parse_public_key(bootutil_ecdsa_context *ctx,
 
 #endif /* MCUBOOT_USE_MBED_TLS */
 
+#if defined(MCUBOOT_USE_NRF_EXTERNAL_CRYPTO)
+typedef uintptr_t bootutil_ecdsa_context;
+static inline void bootutil_ecdsa_init(bootutil_ecdsa_context *ctx)
+{
+    (void)ctx;
+}
+
+static inline void bootutil_ecdsa_drop(bootutil_ecdsa_context *ctx)
+{
+    (void)ctx;
+}
+
+static inline int bootutil_ecdsa_verify(bootutil_ecdsa_context *ctx,
+                                        uint8_t *pk, size_t pk_len,
+                                        uint8_t *hash, size_t hash_len,
+                                        uint8_t *sig, size_t sig_len)
+{
+    (void)ctx;
+    (void)pk_len;
+    (void)hash_len;
+    uint8_t dsig[2 * NUM_ECC_BYTES];
+
+    if (bootutil_decode_sig(dsig, sig, sig + sig_len)) {
+        return -1;
+    }
+
+    /* Only support uncompressed keys. */
+    if (pk[0] != 0x04) {
+        return -1;
+    }
+    pk++;
+
+    return bl_secp256r1_validate(hash, BOOTUTIL_CRYPTO_ECDSA_P256_HASH_SIZE, pk, dsig);
+}
+
+static inline int bootutil_ecdsa_parse_public_key(bootutil_ecdsa_context *ctx,
+                                                  uint8_t **cp,uint8_t *end)
+{
+    (void)ctx;
+    return bootutil_import_key(cp, end);
+}
+#endif /* MCUBOOT_USE_NRF_EXTERNAL_CRYPTO */
+
 #ifdef __cplusplus
 }
 #endif

boot/bootutil/include/bootutil/crypto/sha.h

@@ -30,6 +30,7 @@
 
 #if (defined(MCUBOOT_USE_PSA_OR_MBED_TLS) + \
      defined(MCUBOOT_USE_TINYCRYPT) + \
+     defined(MCUBOOT_USE_NRF_EXTERNAL_CRYPTO) + \
      defined(MCUBOOT_USE_CC310)) != 1
     #error "One crypto backend must be defined: either CC310/MBED_TLS/TINYCRYPT/PSA_CRYPTO"
 #endif
@@ -206,6 +207,37 @@ static inline int bootutil_sha_finish(bootutil_sha_context *ctx,
 }
 #endif /* MCUBOOT_USE_CC310 */
 
+#if defined(MCUBOOT_USE_NRF_EXTERNAL_CRYPTO)
+
+#include <bl_crypto.h>
+
+typedef bl_sha256_ctx_t bootutil_sha_context;
+
+static inline void bootutil_sha_init(bootutil_sha_context *ctx)
+{
+    bl_sha256_init(ctx);
+}
+
+static inline void bootutil_sha_drop(bootutil_sha_context *ctx)
+{
+    (void)ctx;
+}
+
+static inline int bootutil_sha_update(bootutil_sha_context *ctx,
+                                      const void *data,
+                                      uint32_t data_len)
+{
+    return bl_sha256_update(ctx, data, data_len);
+}
+
+static inline int bootutil_sha_finish(bootutil_sha_context *ctx,
+                                      uint8_t *output)
+{
+    bl_sha256_finalize(ctx, output);
+    return 0;
+}
+#endif /* MCUBOOT_USE_NRF_EXTERNAL_CRYPTO */
+
 #ifdef __cplusplus
 }
 #endif