167 static int pk_get_ecparams(unsigned char **p, const unsigned char *end,  in pk_get_ecparams()  argument
172     if (end - *p < 1) {  in pk_get_ecparams()
178     params->tag = **p;  in pk_get_ecparams()
188     if ((ret = mbedtls_asn1_get_tag(p, end, &params->len, params->tag)) != 0) {  in pk_get_ecparams()
192     params->p = *p;  in pk_get_ecparams()
193     *p += params->len;  in pk_get_ecparams()
195     if (*p != end) {  in pk_get_ecparams()
226     unsigned char *p = params->p;  in pk_group_from_specified()  local
227     const unsigned char * const end = params->p + params->len;  in pk_group_from_specified()
233     if ((ret = mbedtls_asn1_get_int(&p, end, &ver)) != 0) {  in pk_group_from_specified()
247     if ((ret = mbedtls_asn1_get_tag(&p, end, &len,  in pk_group_from_specified()
252     end_field = p + len;  in pk_group_from_specified()
262     if ((ret = mbedtls_asn1_get_tag(&p, end_field, &len, MBEDTLS_ASN1_OID)) != 0) {  in pk_group_from_specified()
267         memcmp(p, MBEDTLS_OID_ANSI_X9_62_PRIME_FIELD, len) != 0) {  in pk_group_from_specified()
271     p += len;  in pk_group_from_specified()
274     if ((ret = mbedtls_asn1_get_mpi(&p, end_field, &grp->P)) != 0) {  in pk_group_from_specified()
280     if (p != end_field) {  in pk_group_from_specified()
294     if ((ret = mbedtls_asn1_get_tag(&p, end, &len,  in pk_group_from_specified()
299     end_curve = p + len;  in pk_group_from_specified()
305     if ((ret = mbedtls_asn1_get_tag(&p, end_curve, &len, MBEDTLS_ASN1_OCTET_STRING)) != 0 ||  in pk_group_from_specified()
306         (ret = mbedtls_mpi_read_binary(&grp->A, p, len)) != 0) {  in pk_group_from_specified()
310     p += len;  in pk_group_from_specified()
312     if ((ret = mbedtls_asn1_get_tag(&p, end_curve, &len, MBEDTLS_ASN1_OCTET_STRING)) != 0 ||  in pk_group_from_specified()
313         (ret = mbedtls_mpi_read_binary(&grp->B, p, len)) != 0) {  in pk_group_from_specified()
317     p += len;  in pk_group_from_specified()
320     if ((ret = mbedtls_asn1_get_tag(&p, end_curve, &len, MBEDTLS_ASN1_BIT_STRING)) == 0) {  in pk_group_from_specified()
321         p += len;  in pk_group_from_specified()
324     if (p != end_curve) {  in pk_group_from_specified()
332     if ((ret = mbedtls_asn1_get_tag(&p, end, &len, MBEDTLS_ASN1_OCTET_STRING)) != 0) {  in pk_group_from_specified()
337                                              (const unsigned char *) p, len)) != 0) {  in pk_group_from_specified()
343             (p[0] != 0x02 && p[0] != 0x03) ||  in pk_group_from_specified()
345             mbedtls_mpi_read_binary(&grp->G.X, p + 1, len - 1) != 0 ||  in pk_group_from_specified()
346             mbedtls_mpi_lset(&grp->G.Y, p[0] - 2) != 0 ||  in pk_group_from_specified()
352     p += len;  in pk_group_from_specified()
357     if ((ret = mbedtls_asn1_get_mpi(&p, end, &grp->N)) != 0) {  in pk_group_from_specified()
497 static int pk_get_ecpubkey(unsigned char **p, const unsigned char *end,  in pk_get_ecpubkey()  argument
503                                              (const unsigned char *) *p, end - *p)) == 0) {  in pk_get_ecpubkey()
510     *p = (unsigned char *) end;  in pk_get_ecpubkey()
523 static int pk_get_rsapubkey(unsigned char **p,  in pk_get_rsapubkey()  argument
530     if ((ret = mbedtls_asn1_get_tag(p, end, &len,  in pk_get_rsapubkey()
535     if (*p + len != end) {  in pk_get_rsapubkey()
541     if ((ret = mbedtls_asn1_get_tag(p, end, &len, MBEDTLS_ASN1_INTEGER)) != 0) {  in pk_get_rsapubkey()
545     if ((ret = mbedtls_rsa_import_raw(rsa, *p, len, NULL, 0, NULL, 0,  in pk_get_rsapubkey()
550     *p += len;  in pk_get_rsapubkey()
553     if ((ret = mbedtls_asn1_get_tag(p, end, &len, MBEDTLS_ASN1_INTEGER)) != 0) {  in pk_get_rsapubkey()
558                                       NULL, 0, *p, len)) != 0) {  in pk_get_rsapubkey()
562     *p += len;  in pk_get_rsapubkey()
569     if (*p != end) {  in pk_get_rsapubkey()
584 static int pk_get_pk_alg(unsigned char **p,  in pk_get_pk_alg()  argument
593     if ((ret = mbedtls_asn1_get_alg(p, end, &alg_oid, params)) != 0) {  in pk_get_pk_alg()
618 int mbedtls_pk_parse_subpubkey(unsigned char **p, const unsigned char *end,  in mbedtls_pk_parse_subpubkey()  argument
627     if ((ret = mbedtls_asn1_get_tag(p, end, &len,  in mbedtls_pk_parse_subpubkey()
632     end = *p + len;  in mbedtls_pk_parse_subpubkey()
634     if ((ret = pk_get_pk_alg(p, end, &pk_alg, &alg_params)) != 0) {  in mbedtls_pk_parse_subpubkey()
638     if ((ret = mbedtls_asn1_get_bitstring_null(p, end, &len)) != 0) {  in mbedtls_pk_parse_subpubkey()
642     if (*p + len != end) {  in mbedtls_pk_parse_subpubkey()
657         ret = pk_get_rsapubkey(p, end, mbedtls_pk_rsa(*pk));  in mbedtls_pk_parse_subpubkey()
664             ret = pk_get_ecpubkey(p, end, mbedtls_pk_ec(*pk));  in mbedtls_pk_parse_subpubkey()
670     if (ret == 0 && *p != end) {  in mbedtls_pk_parse_subpubkey()
693 static int asn1_get_nonzero_mpi(unsigned char **p,  in asn1_get_nonzero_mpi()  argument
699     ret = mbedtls_asn1_get_mpi(p, end, X);  in asn1_get_nonzero_mpi()
720     unsigned char *p, *end;  in pk_parse_key_pkcs1_der()  local
725     p = (unsigned char *) key;  in pk_parse_key_pkcs1_der()
726     end = p + keylen;  in pk_parse_key_pkcs1_der()
744     if ((ret = mbedtls_asn1_get_tag(&p, end, &len,  in pk_parse_key_pkcs1_der()
749     end = p + len;  in pk_parse_key_pkcs1_der()
751     if ((ret = mbedtls_asn1_get_int(&p, end, &version)) != 0) {  in pk_parse_key_pkcs1_der()
760     if ((ret = asn1_get_nonzero_mpi(&p, end, &T)) != 0 ||  in pk_parse_key_pkcs1_der()
767     if ((ret = asn1_get_nonzero_mpi(&p, end, &T)) != 0 ||  in pk_parse_key_pkcs1_der()
774     if ((ret = asn1_get_nonzero_mpi(&p, end, &T)) != 0 ||  in pk_parse_key_pkcs1_der()
781     if ((ret = asn1_get_nonzero_mpi(&p, end, &T)) != 0 ||  in pk_parse_key_pkcs1_der()
788     if ((ret = asn1_get_nonzero_mpi(&p, end, &T)) != 0 ||  in pk_parse_key_pkcs1_der()
807     if ((ret = asn1_get_nonzero_mpi(&p, end, &T)) != 0 ||  in pk_parse_key_pkcs1_der()
813     if ((ret = asn1_get_nonzero_mpi(&p, end, &T)) != 0 ||  in pk_parse_key_pkcs1_der()
819     if ((ret = asn1_get_nonzero_mpi(&p, end, &T)) != 0 ||  in pk_parse_key_pkcs1_der()
826     if ((ret = asn1_get_nonzero_mpi(&p, end, &T)) != 0 ||  in pk_parse_key_pkcs1_der()
827         (ret = asn1_get_nonzero_mpi(&p, end, &T)) != 0 ||  in pk_parse_key_pkcs1_der()
828         (ret = asn1_get_nonzero_mpi(&p, end, &T)) != 0) {  in pk_parse_key_pkcs1_der()
847     if (p != end) {  in pk_parse_key_pkcs1_der()
883     unsigned char *p = (unsigned char *) key;  in pk_parse_key_sec1_der()  local
884     unsigned char *end = p + keylen;  in pk_parse_key_sec1_der()
897     if ((ret = mbedtls_asn1_get_tag(&p, end, &len,  in pk_parse_key_sec1_der()
902     end = p + len;  in pk_parse_key_sec1_der()
904     if ((ret = mbedtls_asn1_get_int(&p, end, &version)) != 0) {  in pk_parse_key_sec1_der()
912     if ((ret = mbedtls_asn1_get_tag(&p, end, &len, MBEDTLS_ASN1_OCTET_STRING)) != 0) {  in pk_parse_key_sec1_der()
916     if ((ret = mbedtls_mpi_read_binary(&eck->d, p, len)) != 0) {  in pk_parse_key_sec1_der()
921     p += len;  in pk_parse_key_sec1_der()
924     if (p != end) {  in pk_parse_key_sec1_der()
928         if ((ret = mbedtls_asn1_get_tag(&p, end, &len,  in pk_parse_key_sec1_der()
931             if ((ret = pk_get_ecparams(&p, p + len, &params)) != 0 ||  in pk_parse_key_sec1_der()
942     if (p != end) {  in pk_parse_key_sec1_der()
947         if ((ret = mbedtls_asn1_get_tag(&p, end, &len,  in pk_parse_key_sec1_der()
950             end2 = p + len;  in pk_parse_key_sec1_der()
952             if ((ret = mbedtls_asn1_get_bitstring_null(&p, end2, &len)) != 0) {  in pk_parse_key_sec1_der()
956             if (p + len != end2) {  in pk_parse_key_sec1_der()
961             if ((ret = pk_get_ecpubkey(&p, end2, eck)) == 0) {  in pk_parse_key_sec1_der()
1015     unsigned char *p = (unsigned char *) key;  in pk_parse_key_pkcs8_unencrypted_der()  local
1016     unsigned char *end = p + keylen;  in pk_parse_key_pkcs8_unencrypted_der()
1041     if ((ret = mbedtls_asn1_get_tag(&p, end, &len,  in pk_parse_key_pkcs8_unencrypted_der()
1046     end = p + len;  in pk_parse_key_pkcs8_unencrypted_der()
1048     if ((ret = mbedtls_asn1_get_int(&p, end, &version)) != 0) {  in pk_parse_key_pkcs8_unencrypted_der()
1056     if ((ret = pk_get_pk_alg(&p, end, &pk_alg, &params)) != 0) {  in pk_parse_key_pkcs8_unencrypted_der()
1060     if ((ret = mbedtls_asn1_get_tag(&p, end, &len, MBEDTLS_ASN1_OCTET_STRING)) != 0) {  in pk_parse_key_pkcs8_unencrypted_der()
1079         if ((ret = pk_parse_key_pkcs1_der(mbedtls_pk_rsa(*pk), p, len)) != 0) {  in pk_parse_key_pkcs8_unencrypted_der()
1088             (ret = pk_parse_key_sec1_der(mbedtls_pk_ec(*pk), p, len, f_rng, p_rng)) != 0) {  in pk_parse_key_pkcs8_unencrypted_der()
1118     unsigned char *p, *end;  in pk_parse_key_pkcs8_encrypted_der()  local
1125     p = key;  in pk_parse_key_pkcs8_encrypted_der()
1126     end = p + keylen;  in pk_parse_key_pkcs8_encrypted_der()
1147     if ((ret = mbedtls_asn1_get_tag(&p, end, &len,  in pk_parse_key_pkcs8_encrypted_der()
1152     end = p + len;  in pk_parse_key_pkcs8_encrypted_der()
1154     if ((ret = mbedtls_asn1_get_alg(&p, end, &pbe_alg_oid, &pbe_params)) != 0) {  in pk_parse_key_pkcs8_encrypted_der()
1158     if ((ret = mbedtls_asn1_get_tag(&p, end, &len, MBEDTLS_ASN1_OCTET_STRING)) != 0) {  in pk_parse_key_pkcs8_encrypted_der()
1162     buf = p;  in pk_parse_key_pkcs8_encrypted_der()
1171                                       pwd, pwdlen, p, len, buf)) != 0) {  in pk_parse_key_pkcs8_encrypted_der()
1185                                        p, len, buf)) != 0) {  in pk_parse_key_pkcs8_encrypted_der()
1425     unsigned char *p;  in mbedtls_pk_parse_public_key()  local
1452         p = pem.buf;  in mbedtls_pk_parse_public_key()
1463         if ((ret = pk_get_rsapubkey(&p, p + pem.buflen, mbedtls_pk_rsa(*ctx))) != 0) {  in mbedtls_pk_parse_public_key()
1489         p = pem.buf;  in mbedtls_pk_parse_public_key()
1491         ret = mbedtls_pk_parse_subpubkey(&p,  p + pem.buflen, ctx);  in mbedtls_pk_parse_public_key()
1510     p = (unsigned char *) key;  in mbedtls_pk_parse_public_key()
1511     ret = pk_get_rsapubkey(&p, p + keylen, mbedtls_pk_rsa(*ctx));  in mbedtls_pk_parse_public_key()
1521     p = (unsigned char *) key;  in mbedtls_pk_parse_public_key()
1523     ret = mbedtls_pk_parse_subpubkey(&p, p + keylen, ctx);  in mbedtls_pk_parse_public_key()