Implement Ledger PKI

sdk/bolos_syscalls_unified_sdk.h

@@ -184,3 +184,7 @@
 #define SYSCALL_cx_hash_to_field_ID_IN                                0x06000104
 #define SYSCALL_cx_bls12381_aggregate_ID_IN                           0x05000105
 #define SYSCALL_cx_bls12381_key_gen_ID_IN                             0x03000108
+
+#define SYSCALL_os_pki_load_certificate_ID_IN                         0x060000aa
+#define SYSCALL_os_pki_verify_ID_IN                                   0x040000ab
+#define SYSCALL_os_pki_get_info_ID_IN                                 0x040000ac

src/CMakeLists.txt

@@ -48,6 +48,8 @@ add_library(emu
         bolos/cx_hash.c
         bolos/cx_math.c
         bolos/default.c
+        bolos/os_pki.c
+        bolos/os_signature.c
         emulate.c
         emulate_1.2.c
         emulate_1.5.c

src/bolos/cx_hash.c

@@ -151,6 +151,7 @@ const cx_hash_info_t *spec_cx_hash_get_info(cx_md_t md_type)
   case CX_SHA512:
     return &cx_sha512_info;
   case CX_SHA3:
+  case CX_SHA3_256:
     return &cx_sha3_info;
   case CX_KECCAK:
     return &cx_keccak_info;

src/bolos/cx_hash.h

@@ -8,6 +8,7 @@
 #define CX_SHA256_SIZE    32
 #define CX_SHA384_SIZE    48
 #define CX_SHA512_SIZE    64
+#define CX_SHA3_256_SIZE  32
 
 #define RIPEMD_BLOCK_SIZE       64
 #define SHA256_BLOCK_SIZE       64
@@ -44,6 +45,8 @@ enum cx_md_e {
   CX_SHAKE128, // any bytes
   /** SHAKE-128 Digest */
   CX_SHAKE256, // any bytes
+  /** SHA3 256*/
+  CX_SHA3_256,
 };
 /** Convenience type. See #cx_md_e. */
 typedef enum cx_md_e cx_md_t;

src/bolos/cx_utils.c

@@ -305,6 +305,17 @@ void U4BE_ENCODE(uint8_t *buf, size_t off, uint32_t value)
   buf[off + 3] = value & 0xFF;
 }
 
+uint16_t U2BE(const uint8_t *buf, size_t off)
+{
+  return (buf[off] << 8) | buf[off + 1];
+}
+
+uint32_t U4BE(const uint8_t *buf, size_t off)
+{
+  return (((uint32_t)buf[off]) << 24) | (buf[off + 1] << 16) |
+         (buf[off + 2] << 8) | buf[off + 3];
+}
+
 void cx_memxor(uint8_t *buf1, const uint8_t *buf2, size_t len)
 {
   size_t i;

src/bolos/cx_utils.h

@@ -110,4 +110,6 @@ int get_path(const char *str_, unsigned int *path, int max_path_len);
 
 void U2BE_ENCODE(uint8_t *buf, size_t off, uint32_t value);
 void U4BE_ENCODE(uint8_t *buf, size_t off, uint32_t value);
+uint16_t U2BE(const uint8_t *buf, size_t off);
+uint32_t U4BE(const uint8_t *buf, size_t off);
 void cx_memxor(uint8_t *buf1, const uint8_t *buf2, size_t len);