183 static int pk_get_ecparams( unsigned char **p, const unsigned char *end,  in pk_get_ecparams()  argument
188     if ( end - *p < 1 )  in pk_get_ecparams()
193     params->tag = **p;  in pk_get_ecparams()
204     if( ( ret = mbedtls_asn1_get_tag( p, end, &params->len, params->tag ) ) != 0 )  in pk_get_ecparams()
209     params->p = *p;  in pk_get_ecparams()
210     *p += params->len;  in pk_get_ecparams()
212     if( *p != end )  in pk_get_ecparams()
242     unsigned char *p = params->p;  in pk_group_from_specified()  local
243     const unsigned char * const end = params->p + params->len;  in pk_group_from_specified()
249     if( ( ret = mbedtls_asn1_get_int( &p, end, &ver ) ) != 0 )  in pk_group_from_specified()
261     if( ( ret = mbedtls_asn1_get_tag( &p, end, &len,  in pk_group_from_specified()
265     end_field = p + len;  in pk_group_from_specified()
275     if( ( ret = mbedtls_asn1_get_tag( &p, end_field, &len, MBEDTLS_ASN1_OID ) ) != 0 )  in pk_group_from_specified()
279         memcmp( p, MBEDTLS_OID_ANSI_X9_62_PRIME_FIELD, len ) != 0 )  in pk_group_from_specified()
284     p += len;  in pk_group_from_specified()
287     if( ( ret = mbedtls_asn1_get_mpi( &p, end_field, &grp->P ) ) != 0 )  in pk_group_from_specified()
292     if( p != end_field )  in pk_group_from_specified()
305     if( ( ret = mbedtls_asn1_get_tag( &p, end, &len,  in pk_group_from_specified()
309     end_curve = p + len;  in pk_group_from_specified()
315     if( ( ret = mbedtls_asn1_get_tag( &p, end_curve, &len, MBEDTLS_ASN1_OCTET_STRING ) ) != 0 ||  in pk_group_from_specified()
316         ( ret = mbedtls_mpi_read_binary( &grp->A, p, len ) ) != 0 )  in pk_group_from_specified()
321     p += len;  in pk_group_from_specified()
323     if( ( ret = mbedtls_asn1_get_tag( &p, end_curve, &len, MBEDTLS_ASN1_OCTET_STRING ) ) != 0 ||  in pk_group_from_specified()
324         ( ret = mbedtls_mpi_read_binary( &grp->B, p, len ) ) != 0 )  in pk_group_from_specified()
329     p += len;  in pk_group_from_specified()
332     if( ( ret = mbedtls_asn1_get_tag( &p, end_curve, &len, MBEDTLS_ASN1_BIT_STRING ) ) == 0 )  in pk_group_from_specified()
333         p += len;  in pk_group_from_specified()
335     if( p != end_curve )  in pk_group_from_specified()
342     if( ( ret = mbedtls_asn1_get_tag( &p, end, &len, MBEDTLS_ASN1_OCTET_STRING ) ) != 0 )  in pk_group_from_specified()
346                                       ( const unsigned char *) p, len ) ) != 0 )  in pk_group_from_specified()
353             ( p[0] != 0x02 && p[0] != 0x03 ) ||  in pk_group_from_specified()
355             mbedtls_mpi_read_binary( &grp->G.X, p + 1, len - 1 ) != 0 ||  in pk_group_from_specified()
356             mbedtls_mpi_lset( &grp->G.Y, p[0] - 2 ) != 0 ||  in pk_group_from_specified()
363     p += len;  in pk_group_from_specified()
368     if( ( ret = mbedtls_asn1_get_mpi( &p, end, &grp->N ) ) != 0 )  in pk_group_from_specified()
495 static int pk_get_ecpubkey( unsigned char **p, const unsigned char *end,  in pk_get_ecpubkey()  argument
501                     (const unsigned char *) *p, end - *p ) ) == 0 )  in pk_get_ecpubkey()
509     *p = (unsigned char *) end;  in pk_get_ecpubkey()
522 static int pk_get_rsapubkey( unsigned char **p,  in pk_get_rsapubkey()  argument
529     if( ( ret = mbedtls_asn1_get_tag( p, end, &len,  in pk_get_rsapubkey()
533     if( *p + len != end )  in pk_get_rsapubkey()
538     if( ( ret = mbedtls_asn1_get_tag( p, end, &len, MBEDTLS_ASN1_INTEGER ) ) != 0 )  in pk_get_rsapubkey()
541     if( ( ret = mbedtls_rsa_import_raw( rsa, *p, len, NULL, 0, NULL, 0,  in pk_get_rsapubkey()
545     *p += len;  in pk_get_rsapubkey()
548     if( ( ret = mbedtls_asn1_get_tag( p, end, &len, MBEDTLS_ASN1_INTEGER ) ) != 0 )  in pk_get_rsapubkey()
552                                         NULL, 0, *p, len ) ) != 0 )  in pk_get_rsapubkey()
555     *p += len;  in pk_get_rsapubkey()
563     if( *p != end )  in pk_get_rsapubkey()
577 static int pk_get_pk_alg( unsigned char **p,  in pk_get_pk_alg()  argument
586     if( ( ret = mbedtls_asn1_get_alg( p, end, &alg_oid, params ) ) != 0 )  in pk_get_pk_alg()
610 int mbedtls_pk_parse_subpubkey( unsigned char **p, const unsigned char *end,  in mbedtls_pk_parse_subpubkey()  argument
619     PK_VALIDATE_RET( p != NULL );  in mbedtls_pk_parse_subpubkey()
620     PK_VALIDATE_RET( *p != NULL );  in mbedtls_pk_parse_subpubkey()
624     if( ( ret = mbedtls_asn1_get_tag( p, end, &len,  in mbedtls_pk_parse_subpubkey()
630     end = *p + len;  in mbedtls_pk_parse_subpubkey()
632     if( ( ret = pk_get_pk_alg( p, end, &pk_alg, &alg_params ) ) != 0 )  in mbedtls_pk_parse_subpubkey()
635     if( ( ret = mbedtls_asn1_get_bitstring_null( p, end, &len ) ) != 0 )  in mbedtls_pk_parse_subpubkey()
638     if( *p + len != end )  in mbedtls_pk_parse_subpubkey()
651         ret = pk_get_rsapubkey( p, end, mbedtls_pk_rsa( *pk ) );  in mbedtls_pk_parse_subpubkey()
659             ret = pk_get_ecpubkey( p, end, mbedtls_pk_ec( *pk ) );  in mbedtls_pk_parse_subpubkey()
664     if( ret == 0 && *p != end )  in mbedtls_pk_parse_subpubkey()
685 static int asn1_get_nonzero_mpi( unsigned char **p,  in asn1_get_nonzero_mpi()  argument
691     ret = mbedtls_asn1_get_mpi( p, end, X );  in asn1_get_nonzero_mpi()
710     unsigned char *p, *end;  in pk_parse_key_pkcs1_der()  local
715     p = (unsigned char *) key;  in pk_parse_key_pkcs1_der()
716     end = p + keylen;  in pk_parse_key_pkcs1_der()
734     if( ( ret = mbedtls_asn1_get_tag( &p, end, &len,  in pk_parse_key_pkcs1_der()
740     end = p + len;  in pk_parse_key_pkcs1_der()
742     if( ( ret = mbedtls_asn1_get_int( &p, end, &version ) ) != 0 )  in pk_parse_key_pkcs1_der()
753     if( ( ret = asn1_get_nonzero_mpi( &p, end, &T ) ) != 0 ||  in pk_parse_key_pkcs1_der()
759     if( ( ret = asn1_get_nonzero_mpi( &p, end, &T ) ) != 0 ||  in pk_parse_key_pkcs1_der()
765     if( ( ret = asn1_get_nonzero_mpi( &p, end, &T ) ) != 0 ||  in pk_parse_key_pkcs1_der()
771     if( ( ret = asn1_get_nonzero_mpi( &p, end, &T ) ) != 0 ||  in pk_parse_key_pkcs1_der()
777     if( ( ret = asn1_get_nonzero_mpi( &p, end, &T ) ) != 0 ||  in pk_parse_key_pkcs1_der()
795     if( ( ret = asn1_get_nonzero_mpi( &p, end, &T ) ) != 0 ||  in pk_parse_key_pkcs1_der()
800     if( ( ret = asn1_get_nonzero_mpi( &p, end, &T ) ) != 0 ||  in pk_parse_key_pkcs1_der()
805     if( ( ret = asn1_get_nonzero_mpi( &p, end, &T ) ) != 0 ||  in pk_parse_key_pkcs1_der()
811     if( ( ret = asn1_get_nonzero_mpi( &p, end, &T ) ) != 0 ||  in pk_parse_key_pkcs1_der()
812         ( ret = asn1_get_nonzero_mpi( &p, end, &T ) ) != 0 ||  in pk_parse_key_pkcs1_der()
813         ( ret = asn1_get_nonzero_mpi( &p, end, &T ) ) != 0 )  in pk_parse_key_pkcs1_der()
832     if( p != end )  in pk_parse_key_pkcs1_der()
869     unsigned char *p = (unsigned char *) key;  in pk_parse_key_sec1_der()  local
870     unsigned char *end = p + keylen;  in pk_parse_key_sec1_der()
883     if( ( ret = mbedtls_asn1_get_tag( &p, end, &len,  in pk_parse_key_sec1_der()
889     end = p + len;  in pk_parse_key_sec1_der()
891     if( ( ret = mbedtls_asn1_get_int( &p, end, &version ) ) != 0 )  in pk_parse_key_sec1_der()
897     if( ( ret = mbedtls_asn1_get_tag( &p, end, &len, MBEDTLS_ASN1_OCTET_STRING ) ) != 0 )  in pk_parse_key_sec1_der()
900     if( ( ret = mbedtls_mpi_read_binary( &eck->d, p, len ) ) != 0 )  in pk_parse_key_sec1_der()
906     p += len;  in pk_parse_key_sec1_der()
909     if( p != end )  in pk_parse_key_sec1_der()
914         if( ( ret = mbedtls_asn1_get_tag( &p, end, &len,  in pk_parse_key_sec1_der()
917             if( ( ret = pk_get_ecparams( &p, p + len, &params) ) != 0 ||  in pk_parse_key_sec1_der()
931     if( p != end )  in pk_parse_key_sec1_der()
937         if( ( ret = mbedtls_asn1_get_tag( &p, end, &len,  in pk_parse_key_sec1_der()
940             end2 = p + len;  in pk_parse_key_sec1_der()
942             if( ( ret = mbedtls_asn1_get_bitstring_null( &p, end2, &len ) ) != 0 )  in pk_parse_key_sec1_der()
945             if( p + len != end2 )  in pk_parse_key_sec1_der()
949             if( ( ret = pk_get_ecpubkey( &p, end2, eck ) ) == 0 )  in pk_parse_key_sec1_der()
1007     unsigned char *p = (unsigned char *) key;  in pk_parse_key_pkcs8_unencrypted_der()  local
1008     unsigned char *end = p + keylen;  in pk_parse_key_pkcs8_unencrypted_der()
1028     if( ( ret = mbedtls_asn1_get_tag( &p, end, &len,  in pk_parse_key_pkcs8_unencrypted_der()
1034     end = p + len;  in pk_parse_key_pkcs8_unencrypted_der()
1036     if( ( ret = mbedtls_asn1_get_int( &p, end, &version ) ) != 0 )  in pk_parse_key_pkcs8_unencrypted_der()
1042     if( ( ret = pk_get_pk_alg( &p, end, &pk_alg, &params ) ) != 0 )  in pk_parse_key_pkcs8_unencrypted_der()
1047     if( ( ret = mbedtls_asn1_get_tag( &p, end, &len, MBEDTLS_ASN1_OCTET_STRING ) ) != 0 )  in pk_parse_key_pkcs8_unencrypted_der()
1063         if( ( ret = pk_parse_key_pkcs1_der( mbedtls_pk_rsa( *pk ), p, len ) ) != 0 )  in pk_parse_key_pkcs8_unencrypted_der()
1074             ( ret = pk_parse_key_sec1_der( mbedtls_pk_ec( *pk ), p, len )  ) != 0 )  in pk_parse_key_pkcs8_unencrypted_der()
1104     unsigned char *p, *end;  in pk_parse_key_pkcs8_encrypted_der()  local
1111     p = key;  in pk_parse_key_pkcs8_encrypted_der()
1112     end = p + keylen;  in pk_parse_key_pkcs8_encrypted_der()
1132     if( ( ret = mbedtls_asn1_get_tag( &p, end, &len,  in pk_parse_key_pkcs8_encrypted_der()
1138     end = p + len;  in pk_parse_key_pkcs8_encrypted_der()
1140     if( ( ret = mbedtls_asn1_get_alg( &p, end, &pbe_alg_oid, &pbe_params ) ) != 0 )  in pk_parse_key_pkcs8_encrypted_der()
1143     if( ( ret = mbedtls_asn1_get_tag( &p, end, &len, MBEDTLS_ASN1_OCTET_STRING ) ) != 0 )  in pk_parse_key_pkcs8_encrypted_der()
1146     buf = p;  in pk_parse_key_pkcs8_encrypted_der()
1156                                 pwd, pwdlen, p, len, buf ) ) != 0 )  in pk_parse_key_pkcs8_encrypted_der()
1171                                              p, len, buf ) ) != 0 )  in pk_parse_key_pkcs8_encrypted_der()
1190                                   p, len, buf ) ) != 0 )  in pk_parse_key_pkcs8_encrypted_der()
1436     unsigned char *p;  in mbedtls_pk_parse_public_key()  local
1464         p = pem.buf;  in mbedtls_pk_parse_public_key()
1471         if ( ( ret = pk_get_rsapubkey( &p, p + pem.buflen, mbedtls_pk_rsa( *ctx ) ) ) != 0 )  in mbedtls_pk_parse_public_key()
1498         p = pem.buf;  in mbedtls_pk_parse_public_key()
1500         ret = mbedtls_pk_parse_subpubkey( &p,  p + pem.buflen, ctx );  in mbedtls_pk_parse_public_key()
1519     p = (unsigned char *)key;  in mbedtls_pk_parse_public_key()
1520     ret = pk_get_rsapubkey( &p, p + keylen, mbedtls_pk_rsa( *ctx ) );  in mbedtls_pk_parse_public_key()
1532     p = (unsigned char *) key;  in mbedtls_pk_parse_public_key()
1534     ret = mbedtls_pk_parse_subpubkey( &p, p + keylen, ctx );  in mbedtls_pk_parse_public_key()