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https://github.com/RfidResearchGroup/proxmark3.git
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make style
This commit is contained in:
iceman1001
parent
f433e26e3b
commit
9f4620c92c
9 changed files with 152 additions and 150 deletions
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@ -128,7 +128,7 @@ static int ecdsa_init_str(mbedtls_ecdsa_context *ctx, mbedtls_ecp_group_id curv
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int res;
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mbedtls_ecdsa_init(ctx);
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res = mbedtls_ecp_group_load(&ctx->grp, curveid);
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res = mbedtls_ecp_group_load(&ctx->grp, curveid);
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if (res)
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return res;
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@ -154,19 +154,19 @@ static int ecdsa_init(mbedtls_ecdsa_context *ctx, mbedtls_ecp_group_id curveid,
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int res;
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mbedtls_ecdsa_init(ctx);
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res = mbedtls_ecp_group_load(&ctx->grp, curveid);
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res = mbedtls_ecp_group_load(&ctx->grp, curveid);
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if (res)
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return res;
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size_t keylen = (ctx->grp.nbits + 7 ) / 8;
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size_t keylen = (ctx->grp.nbits + 7) / 8;
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if (key_d) {
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res = mbedtls_mpi_read_binary(&ctx->d, key_d, keylen);
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res = mbedtls_mpi_read_binary(&ctx->d, key_d, keylen);
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if (res)
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return res;
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}
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if (key_xy) {
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res = mbedtls_ecp_point_read_binary(&ctx->grp, &ctx->Q, key_xy, keylen * 2 + 1);
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res = mbedtls_ecp_point_read_binary(&ctx->grp, &ctx->Q, key_xy, keylen * 2 + 1);
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if (res)
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return res;
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}
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@ -195,22 +195,22 @@ int ecdsa_key_create(mbedtls_ecp_group_id curveid, uint8_t *key_d, uint8_t *key_
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if (res)
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goto exit;
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size_t keylen = (ctx.grp.nbits + 7) / 8;
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res = mbedtls_mpi_write_binary(&ctx.d, key_d, keylen);
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size_t keylen = (ctx.grp.nbits + 7) / 8;
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res = mbedtls_mpi_write_binary(&ctx.d, key_d, keylen);
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if (res)
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goto exit;
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size_t public_keylen = 0;
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size_t public_keylen = 0;
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uint8_t public_key[200] = {0};
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res = mbedtls_ecp_point_write_binary(&ctx.grp, &ctx.Q, MBEDTLS_ECP_PF_UNCOMPRESSED, &public_keylen, public_key, sizeof(public_key));
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res = mbedtls_ecp_point_write_binary(&ctx.grp, &ctx.Q, MBEDTLS_ECP_PF_UNCOMPRESSED, &public_keylen, public_key, sizeof(public_key));
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if (res)
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goto exit;
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if (public_keylen != 1 + 2 * keylen) { // 0x04 <key x><key y>
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if (public_keylen != 1 + 2 * keylen) { // 0x04 <key x><key y>
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res = 1;
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goto exit;
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}
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memcpy(key_xy, public_key, public_keylen);
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memcpy(key_xy, public_key, public_keylen);
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exit:
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mbedtls_entropy_free(&entropy);
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@ -233,22 +233,22 @@ int ecdsa_public_key_from_pk(mbedtls_pk_context *pk, mbedtls_ecp_group_id curve
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mbedtls_ecdsa_context ctx;
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mbedtls_ecdsa_init(&ctx);
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res = mbedtls_ecp_group_load(&ctx.grp, curveid);
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res = mbedtls_ecp_group_load(&ctx.grp, curveid);
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if (res)
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goto exit;
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size_t private_keylen = (ctx.grp.nbits + 7) / 8;
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if (keylen < 1 + 2 * private_keylen) {
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res = 1;
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goto exit;
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}
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size_t private_keylen = (ctx.grp.nbits + 7) / 8;
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if (keylen < 1 + 2 * private_keylen) {
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res = 1;
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goto exit;
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}
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res = mbedtls_ecdsa_from_keypair(&ctx, mbedtls_pk_ec(*pk));
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if (res)
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goto exit;
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res = mbedtls_ecp_point_write_binary(&ctx.grp, &ctx.Q, MBEDTLS_ECP_PF_UNCOMPRESSED, &realkeylen, key, keylen);
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if (realkeylen != 1 + 2 * private_keylen)
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if (realkeylen != 1 + 2 * private_keylen)
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res = 2;
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exit:
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mbedtls_ecdsa_free(&ctx);
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@ -277,16 +277,16 @@ int ecdsa_signature_create(mbedtls_ecp_group_id curveid, uint8_t *key_d, uint8_t
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mbedtls_ecdsa_context ctx;
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ecdsa_init(&ctx, curveid, key_d, key_xy);
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res = mbedtls_ecdsa_write_signature(
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&ctx,
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MBEDTLS_MD_SHA256,
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hash ? shahash : input,
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hash ? sizeof(shahash) : length,
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signature,
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signaturelen,
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mbedtls_ctr_drbg_random,
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&ctr_drbg
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);
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res = mbedtls_ecdsa_write_signature(
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&ctx,
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MBEDTLS_MD_SHA256,
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hash ? shahash : input,
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hash ? sizeof(shahash) : length,
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signature,
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signaturelen,
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mbedtls_ctr_drbg_random,
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&ctr_drbg
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);
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exit:
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@ -323,14 +323,14 @@ static int ecdsa_signature_verify_keystr(mbedtls_ecp_group_id curveid, const cha
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return res;
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mbedtls_ecdsa_context ctx;
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ecdsa_init_str(&ctx, curveid, NULL, key_x, key_y);
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res = mbedtls_ecdsa_read_signature(
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&ctx,
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hash ? shahash : input,
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hash ? sizeof(shahash) : length,
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signature,
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signaturelen
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);
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ecdsa_init_str(&ctx, curveid, NULL, key_x, key_y);
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res = mbedtls_ecdsa_read_signature(
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&ctx,
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hash ? shahash : input,
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hash ? sizeof(shahash) : length,
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signature,
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signaturelen
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);
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mbedtls_ecdsa_free(&ctx);
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return res;
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@ -339,21 +339,21 @@ static int ecdsa_signature_verify_keystr(mbedtls_ecp_group_id curveid, const cha
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int ecdsa_signature_verify(mbedtls_ecp_group_id curveid, uint8_t *key_xy, uint8_t *input, int length, uint8_t *signature, size_t signaturelen, bool hash) {
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int res;
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uint8_t shahash[32] = {0};
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if (hash) {
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res = sha256hash(input, length, shahash);
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if (res)
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return res;
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}
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if (hash) {
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res = sha256hash(input, length, shahash);
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if (res)
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return res;
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}
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mbedtls_ecdsa_context ctx;
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res = ecdsa_init(&ctx, curveid, NULL, key_xy);
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res = mbedtls_ecdsa_read_signature(
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&ctx,
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hash ? shahash : input,
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hash ? sizeof(shahash) : length,
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signature,
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signaturelen
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);
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res = ecdsa_init(&ctx, curveid, NULL, key_xy);
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res = mbedtls_ecdsa_read_signature(
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&ctx,
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hash ? shahash : input,
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hash ? sizeof(shahash) : length,
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signature,
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signaturelen
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);
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mbedtls_ecdsa_free(&ctx);
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return res;
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@ -362,27 +362,27 @@ int ecdsa_signature_verify(mbedtls_ecp_group_id curveid, uint8_t *key_xy, uint8_
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int ecdsa_signature_r_s_verify(mbedtls_ecp_group_id curveid, uint8_t *key_xy, uint8_t *input, int length, uint8_t *r_s, size_t r_s_len, bool hash) {
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int res;
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uint8_t signature[MBEDTLS_ECDSA_MAX_LEN];
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size_t signature_len;
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uint8_t signature[MBEDTLS_ECDSA_MAX_LEN];
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size_t signature_len;
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// convert r & s to ASN.1 signature
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// convert r & s to ASN.1 signature
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mbedtls_mpi r, s;
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mbedtls_mpi_init(&r);
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mbedtls_mpi_init(&s);
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mbedtls_mpi_read_binary(&r, r_s, r_s_len/2);
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mbedtls_mpi_read_binary(&s, r_s + r_s_len/2, r_s_len/2);
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res = ecdsa_signature_to_asn1(&r, &s, signature, &signature_len);
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if (res < 0) {
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return res;
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}
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res = ecdsa_signature_verify(curveid, key_xy, input, length, signature, signature_len, hash);
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mbedtls_mpi_read_binary(&r, r_s, r_s_len / 2);
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mbedtls_mpi_read_binary(&s, r_s + r_s_len / 2, r_s_len / 2);
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res = ecdsa_signature_to_asn1(&r, &s, signature, &signature_len);
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if (res < 0) {
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return res;
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}
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res = ecdsa_signature_verify(curveid, key_xy, input, length, signature, signature_len, hash);
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mbedtls_mpi_free(&r);
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mbedtls_mpi_free(&s);
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return res;
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return res;
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}
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@ -396,7 +396,7 @@ int ecdsa_signature_r_s_verify(mbedtls_ecp_group_id curveid, uint8_t *key_xy, ui
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int ecdsa_nist_test(bool verbose) {
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int res;
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uint8_t input[] = "Example of ECDSA with P-256";
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mbedtls_ecp_group_id curveid = MBEDTLS_ECP_DP_SECP256R1;
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mbedtls_ecp_group_id curveid = MBEDTLS_ECP_DP_SECP256R1;
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int length = strlen((char *)input);
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uint8_t signature[300] = {0};
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size_t siglen = 0;
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@ -405,7 +405,7 @@ int ecdsa_nist_test(bool verbose) {
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if (verbose)
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printf(" ECDSA NIST test: ");
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// make signature
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res = ecdsa_signature_create_test(curveid, T_PRIVATE_KEY, T_Q_X, T_Q_Y, T_K, input, length, signature, &siglen);
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res = ecdsa_signature_create_test(curveid, T_PRIVATE_KEY, T_Q_X, T_Q_Y, T_K, input, length, signature, &siglen);
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// printf("res: %x signature[%x]: %s\n", (res<0)?-res:res, siglen, sprint_hex(signature, siglen));
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if (res)
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goto exit;
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@ -429,13 +429,13 @@ int ecdsa_nist_test(bool verbose) {
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}
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// verify signature
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res = ecdsa_signature_verify_keystr(curveid, T_Q_X, T_Q_Y, input, length, signature, siglen, true);
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res = ecdsa_signature_verify_keystr(curveid, T_Q_X, T_Q_Y, input, length, signature, siglen, true);
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if (res)
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goto exit;
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// verify wrong signature
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input[0] ^= 0xFF;
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res = ecdsa_signature_verify_keystr(curveid, T_Q_X, T_Q_Y, input, length, signature, siglen, true);
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res = ecdsa_signature_verify_keystr(curveid, T_Q_X, T_Q_Y, input, length, signature, siglen, true);
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if (!res) {
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res = 1;
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goto exit;
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@ -452,20 +452,20 @@ int ecdsa_nist_test(bool verbose) {
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memset(signature, 0x00, sizeof(signature));
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siglen = 0;
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res = ecdsa_key_create(curveid, key_d, key_xy);
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res = ecdsa_key_create(curveid, key_d, key_xy);
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if (res)
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goto exit;
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res = ecdsa_signature_create(curveid, key_d, key_xy, input, length, signature, &siglen, true);
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res = ecdsa_signature_create(curveid, key_d, key_xy, input, length, signature, &siglen, true);
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if (res)
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goto exit;
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res = ecdsa_signature_verify(curveid, key_xy, input, length, signature, siglen, true);
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res = ecdsa_signature_verify(curveid, key_xy, input, length, signature, siglen, true);
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if (res)
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goto exit;
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input[0] ^= 0xFF;
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res = ecdsa_signature_verify(curveid, key_xy, input, length, signature, siglen, true);
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res = ecdsa_signature_verify(curveid, key_xy, input, length, signature, siglen, true);
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if (!res)
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goto exit;
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