83 static unsigned short lmots_checksum_calculate(const mbedtls_lmots_parameters_t *params,  in lmots_checksum_calculate()  argument
89     for (idx = 0; idx < MBEDTLS_LMOTS_N_HASH_LEN(params->type); idx++) {  in lmots_checksum_calculate()
119 static int create_digit_array_with_checksum(const mbedtls_lmots_parameters_t *params,  in create_digit_array_with_checksum()  argument
135     status = psa_hash_update(&op, params->I_key_identifier,  in create_digit_array_with_checksum()
141     status = psa_hash_update(&op, params->q_leaf_identifier,  in create_digit_array_with_checksum()
153                              MBEDTLS_LMOTS_C_RANDOM_VALUE_LEN(params->type));  in create_digit_array_with_checksum()
164                              MBEDTLS_LMOTS_N_HASH_LEN(params->type),  in create_digit_array_with_checksum()
170     checksum = lmots_checksum_calculate(params, out);  in create_digit_array_with_checksum()
171     MBEDTLS_PUT_UINT16_BE(checksum, out, MBEDTLS_LMOTS_N_HASH_LEN(params->type));  in create_digit_array_with_checksum()
208 static int hash_digit_array(const mbedtls_lmots_parameters_t *params,  in hash_digit_array()  argument
226          i_digit_idx < MBEDTLS_LMOTS_P_SIG_DIGIT_COUNT(params->type);  in hash_digit_array()
230                &x_digit_array[i_digit_idx * MBEDTLS_LMOTS_N_HASH_LEN(params->type)],  in hash_digit_array()
231                MBEDTLS_LMOTS_N_HASH_LEN(params->type));  in hash_digit_array()
247                                      params->I_key_identifier,  in hash_digit_array()
254                                      params->q_leaf_identifier,  in hash_digit_array()
273                                      MBEDTLS_LMOTS_N_HASH_LEN(params->type));  in hash_digit_array()
287         memcpy(&output[i_digit_idx * MBEDTLS_LMOTS_N_HASH_LEN(params->type)],  in hash_digit_array()
288                tmp_hash, MBEDTLS_LMOTS_N_HASH_LEN(params->type));  in hash_digit_array()
313 static int public_key_from_hashed_digit_array(const mbedtls_lmots_parameters_t *params,  in public_key_from_hashed_digit_array()  argument
327                              params->I_key_identifier,  in public_key_from_hashed_digit_array()
333     status = psa_hash_update(&op, params->q_leaf_identifier,  in public_key_from_hashed_digit_array()
345                              MBEDTLS_LMOTS_P_SIG_DIGIT_COUNT(params->type) *  in public_key_from_hashed_digit_array()
346                              MBEDTLS_LMOTS_N_HASH_LEN(params->type));  in public_key_from_hashed_digit_array()
352                              MBEDTLS_LMOTS_N_HASH_LEN(params->type),  in public_key_from_hashed_digit_array()
400     ctx->params.type = (mbedtls_lmots_algorithm_type_t)  in mbedtls_lmots_import_public_key()
403     if (key_len != MBEDTLS_LMOTS_PUBLIC_KEY_LEN(ctx->params.type)) {  in mbedtls_lmots_import_public_key()
407     memcpy(ctx->params.I_key_identifier,  in mbedtls_lmots_import_public_key()
411     memcpy(ctx->params.q_leaf_identifier,  in mbedtls_lmots_import_public_key()
417            MBEDTLS_LMOTS_N_HASH_LEN(ctx->params.type));  in mbedtls_lmots_import_public_key()
428     if (key_size < MBEDTLS_LMOTS_PUBLIC_KEY_LEN(ctx->params.type)) {  in mbedtls_lmots_export_public_key()
436     MBEDTLS_PUT_UINT32_BE(ctx->params.type, key, MBEDTLS_LMOTS_SIG_TYPE_OFFSET);  in mbedtls_lmots_export_public_key()
439            ctx->params.I_key_identifier,  in mbedtls_lmots_export_public_key()
443            ctx->params.q_leaf_identifier,  in mbedtls_lmots_export_public_key()
447            MBEDTLS_LMOTS_N_HASH_LEN(ctx->params.type));  in mbedtls_lmots_export_public_key()
450         *key_len = MBEDTLS_LMOTS_PUBLIC_KEY_LEN(ctx->params.type);  in mbedtls_lmots_export_public_key()
456 int mbedtls_lmots_calculate_public_key_candidate(const mbedtls_lmots_parameters_t *params,  in mbedtls_lmots_calculate_public_key_candidate()  argument
473     if (sig_size != MBEDTLS_LMOTS_SIG_LEN(params->type) ||  in mbedtls_lmots_calculate_public_key_candidate()
474         out_size < MBEDTLS_LMOTS_N_HASH_LEN(params->type)) {  in mbedtls_lmots_calculate_public_key_candidate()
478     ret = create_digit_array_with_checksum(params, msg, msg_size,  in mbedtls_lmots_calculate_public_key_candidate()
485     ret = hash_digit_array(params,  in mbedtls_lmots_calculate_public_key_candidate()
486                            sig + MBEDTLS_LMOTS_SIG_SIGNATURE_OFFSET(params->type),  in mbedtls_lmots_calculate_public_key_candidate()
492     ret = public_key_from_hashed_digit_array(params,  in mbedtls_lmots_calculate_public_key_candidate()
500         *out_len = MBEDTLS_LMOTS_N_HASH_LEN(params->type);  in mbedtls_lmots_calculate_public_key_candidate()
521     if (ctx->params.type != MBEDTLS_LMOTS_SHA256_N32_W8) {  in mbedtls_lmots_verify()
533     ret = mbedtls_lmots_calculate_public_key_candidate(&ctx->params,  in mbedtls_lmots_verify()
536                                                        MBEDTLS_LMOTS_N_HASH_LEN(ctx->params.type),  in mbedtls_lmots_verify()
585     ctx->params.type = type;  in mbedtls_lmots_generate_private_key()
587     memcpy(ctx->params.I_key_identifier,  in mbedtls_lmots_generate_private_key()
589            sizeof(ctx->params.I_key_identifier));  in mbedtls_lmots_generate_private_key()
591     MBEDTLS_PUT_UINT32_BE(q_leaf_identifier, ctx->params.q_leaf_identifier, 0);  in mbedtls_lmots_generate_private_key()
594          i_digit_idx < MBEDTLS_LMOTS_P_SIG_DIGIT_COUNT(ctx->params.type);  in mbedtls_lmots_generate_private_key()
602                                  ctx->params.I_key_identifier,  in mbedtls_lmots_generate_private_key()
603                                  sizeof(ctx->params.I_key_identifier));  in mbedtls_lmots_generate_private_key()
609                                  ctx->params.q_leaf_identifier,  in mbedtls_lmots_generate_private_key()
633                                  MBEDTLS_LMOTS_N_HASH_LEN(ctx->params.type),  in mbedtls_lmots_generate_private_key()
661     ret = hash_digit_array(&priv_ctx->params,  in mbedtls_lmots_calculate_public_key()
668     ret = public_key_from_hashed_digit_array(&priv_ctx->params,  in mbedtls_lmots_calculate_public_key()
675     memcpy(&ctx->params, &priv_ctx->params,  in mbedtls_lmots_calculate_public_key()
676            sizeof(ctx->params));  in mbedtls_lmots_calculate_public_key()
707     if (sig_size < MBEDTLS_LMOTS_SIG_LEN(ctx->params.type)) {  in mbedtls_lmots_sign()
717                 MBEDTLS_LMOTS_N_HASH_LEN(ctx->params.type));  in mbedtls_lmots_sign()
722     ret = create_digit_array_with_checksum(&ctx->params,  in mbedtls_lmots_sign()
730     ret = hash_digit_array(&ctx->params, (unsigned char *) ctx->private_key,  in mbedtls_lmots_sign()
736     MBEDTLS_PUT_UINT32_BE(ctx->params.type, sig, MBEDTLS_LMOTS_SIG_TYPE_OFFSET);  in mbedtls_lmots_sign()
758            MBEDTLS_LMOTS_C_RANDOM_VALUE_LEN(ctx->params.type));  in mbedtls_lmots_sign()
760     memcpy(sig + MBEDTLS_LMOTS_SIG_SIGNATURE_OFFSET(ctx->params.type), tmp_sig,  in mbedtls_lmots_sign()
761            MBEDTLS_LMOTS_P_SIG_DIGIT_COUNT(ctx->params.type)  in mbedtls_lmots_sign()
762            * MBEDTLS_LMOTS_N_HASH_LEN(ctx->params.type));  in mbedtls_lmots_sign()
765         *sig_len = MBEDTLS_LMOTS_SIG_LEN(ctx->params.type);  in mbedtls_lmots_sign()