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@ -7,7 +7,7 @@
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#include "py/objstr.h"
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#include "trezor-crypto/ripemd160.h"
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#include "mbedtls/ripemd160.h"
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#define HASH_RIPEMD160_BLOCK_SIZE 64
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#define HASH_RIPEMD160_DIGEST_SIZE 20
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@ -15,21 +15,22 @@
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// class Ripemd160(object):
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typedef struct _mp_obj_Ripemd160_t {
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mp_obj_base_t base;
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RIPEMD160_CTX ctx;
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mbedtls_ripemd160_context ctx;
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} mp_obj_Ripemd160_t;
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// def Ripemd160.__init__(self, data: bytes = None)
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STATIC mp_obj_t mod_TrezorCrypto_Ripemd160_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *args) {
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mp_obj_Ripemd160_t *o = m_new_obj(mp_obj_Ripemd160_t);
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o->base.type = type;
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ripemd160_Init(&(o->ctx));
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mbedtls_ripemd160_init(&(o->ctx));
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mbedtls_ripemd160_starts(&(o->ctx));
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// constructor called with bytes/str as first parameter
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if (n_args == 1) {
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if (!MP_OBJ_IS_STR_OR_BYTES(args[0])) {
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nlr_raise(mp_obj_new_exception_msg(&mp_type_TypeError, "Invalid argument"));
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}
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GET_STR_DATA_LEN(args[0], data, datalen);
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ripemd160_Update(&(o->ctx), data, datalen);
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mbedtls_ripemd160_update(&(o->ctx), data, datalen);
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} else if (n_args != 0) {
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nlr_raise(mp_obj_new_exception_msg(&mp_type_TypeError, "Invalid arguments"));
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}
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@ -41,7 +42,7 @@ STATIC mp_obj_t mod_TrezorCrypto_Ripemd160_update(mp_obj_t self, mp_obj_t data)
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mp_obj_Ripemd160_t *o = MP_OBJ_TO_PTR(self);
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mp_buffer_info_t databuf;
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mp_get_buffer_raise(data, &databuf, MP_BUFFER_READ);
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ripemd160_Update(&(o->ctx), databuf.buf, databuf.len);
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mbedtls_ripemd160_update(&(o->ctx), databuf.buf, databuf.len);
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_TrezorCrypto_Ripemd160_update_obj, mod_TrezorCrypto_Ripemd160_update);
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@ -51,9 +52,10 @@ STATIC mp_obj_t mod_TrezorCrypto_Ripemd160_digest(mp_obj_t self) {
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mp_obj_Ripemd160_t *o = MP_OBJ_TO_PTR(self);
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vstr_t vstr;
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vstr_init_len(&vstr, HASH_RIPEMD160_DIGEST_SIZE);
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RIPEMD160_CTX ctx;
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memcpy(&ctx, &(o->ctx), sizeof(RIPEMD160_CTX));
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ripemd160_Final((uint8_t *)vstr.buf, &ctx);
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mbedtls_ripemd160_context ctx;
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mbedtls_ripemd160_clone(&ctx, &(o->ctx));
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mbedtls_ripemd160_finish(&ctx, (uint8_t *)vstr.buf);
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mbedtls_ripemd160_free(&ctx);
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return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_TrezorCrypto_Ripemd160_digest_obj, mod_TrezorCrypto_Ripemd160_digest);
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