diff options
Diffstat (limited to 'javascript/olm_pk.js')
-rw-r--r-- | javascript/olm_pk.js | 52 |
1 files changed, 40 insertions, 12 deletions
diff --git a/javascript/olm_pk.js b/javascript/olm_pk.js index 407eaf1..4f730dd 100644 --- a/javascript/olm_pk.js +++ b/javascript/olm_pk.js @@ -35,9 +35,9 @@ PkEncryption.prototype['encrypt'] = restore_stack(function( ) { var plaintext_buffer, ciphertext_buffer, plaintext_length; try { - plaintext_length = Module['lengthBytesUTF8'](plaintext) + plaintext_length = lengthBytesUTF8(plaintext) plaintext_buffer = malloc(plaintext_length + 1); - Module['stringToUTF8'](plaintext, plaintext_buffer, plaintext_length + 1); + stringToUTF8(plaintext, plaintext_buffer, plaintext_length + 1); var random_length = pk_encryption_method( Module['_olm_pk_encrypt_random_length'] )(); @@ -50,7 +50,7 @@ PkEncryption.prototype['encrypt'] = restore_stack(function( Module['_olm_pk_mac_length'] )(this.ptr); var mac_buffer = stack(mac_length + NULL_BYTE_PADDING_LENGTH); - Module['setValue']( + setValue( mac_buffer + mac_length, 0, "i8" ); @@ -58,7 +58,7 @@ PkEncryption.prototype['encrypt'] = restore_stack(function( Module['_olm_pk_key_length'] )(); var ephemeral_buffer = stack(ephemeral_length + NULL_BYTE_PADDING_LENGTH); - Module['setValue']( + setValue( ephemeral_buffer + ephemeral_length, 0, "i8" ); @@ -72,12 +72,12 @@ PkEncryption.prototype['encrypt'] = restore_stack(function( ); // UTF8ToString requires a null-terminated argument, so add the // null terminator. - Module['setValue']( + setValue( ciphertext_buffer + ciphertext_length, 0, "i8" ); return { - "ciphertext": Module['UTF8ToString'](ciphertext_buffer), + "ciphertext": UTF8ToString(ciphertext_buffer), "mac": Pointer_stringify(mac_buffer), "ephemeral": Pointer_stringify(ephemeral_buffer) }; @@ -118,16 +118,32 @@ PkDecryption.prototype['free'] = function() { free(this.ptr); } +PkDecryption.prototype['init_with_private_key'] = restore_stack(function (private_key) { + var private_key_buffer = stack(private_key.length); + Module['HEAPU8'].set(private_key, private_key_buffer); + + var pubkey_length = pk_decryption_method( + Module['_olm_pk_key_length'] + )(); + var pubkey_buffer = stack(pubkey_length + NULL_BYTE_PADDING_LENGTH); + pk_decryption_method(Module['_olm_pk_key_from_private'])( + this.ptr, + pubkey_buffer, pubkey_length, + private_key_buffer, private_key.length + ); + return Pointer_stringify(pubkey_buffer); +}); + PkDecryption.prototype['generate_key'] = restore_stack(function () { var random_length = pk_decryption_method( - Module['_olm_pk_generate_key_random_length'] + Module['_olm_pk_private_key_length'] )(); var random_buffer = random_stack(random_length); var pubkey_length = pk_decryption_method( Module['_olm_pk_key_length'] )(); var pubkey_buffer = stack(pubkey_length + NULL_BYTE_PADDING_LENGTH); - pk_decryption_method(Module['_olm_pk_generate_key'])( + pk_decryption_method(Module['_olm_pk_key_from_private'])( this.ptr, pubkey_buffer, pubkey_length, random_buffer, random_length @@ -135,6 +151,18 @@ PkDecryption.prototype['generate_key'] = restore_stack(function () { return Pointer_stringify(pubkey_buffer); }); +PkDecryption.prototype['get_private_key'] = restore_stack(function () { + var privkey_length = pk_encryption_method( + Module['_olm_pk_private_key_length'] + )(); + var privkey_buffer = stack(privkey_length); + pk_decryption_method(Module['_olm_pk_get_private_key'])( + this.ptr, + privkey_buffer, privkey_length + ); + return new Uint8Array(Module['HEAPU8'].buffer, privkey_buffer, privkey_length); +}); + PkDecryption.prototype['pickle'] = restore_stack(function (key) { var key_array = array_from_string(key); var pickle_length = pk_decryption_method( @@ -169,9 +197,9 @@ PkDecryption.prototype['decrypt'] = restore_stack(function ( ) { var plaintext_buffer, ciphertext_buffer, plaintext_max_length; try { - ciphertext_length = Module['lengthBytesUTF8'](ciphertext) + var ciphertext_length = lengthBytesUTF8(ciphertext) ciphertext_buffer = malloc(ciphertext_length + 1); - Module['stringToUTF8'](ciphertext, ciphertext_buffer, ciphertext_length + 1); + stringToUTF8(ciphertext, ciphertext_buffer, ciphertext_length + 1); var ephemeralkey_array = array_from_string(ephemeral_key); var ephemeralkey_buffer = stack(ephemeralkey_array); var mac_array = array_from_string(mac); @@ -190,11 +218,11 @@ PkDecryption.prototype['decrypt'] = restore_stack(function ( ); // UTF8ToString requires a null-terminated argument, so add the // null terminator. - Module['setValue']( + setValue( plaintext_buffer + plaintext_length, 0, "i8" ); - return Module['UTF8ToString'](plaintext_buffer); + return UTF8ToString(plaintext_buffer); } finally { if (plaintext_buffer !== undefined) { // don't leave a copy of the plaintext in the heap. |