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Add support for OAEP SHA1 digest.

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Note that iOS does not support any other OAEP format, such as SHA256.
This commit is contained in:
Kyle Spearrin 2017-04-21 13:46:07 -04:00
parent 053a1c1394
commit e010995b19
2 changed files with 17 additions and 8 deletions
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3
src/app/constants.js
View File

@ -5,7 +5,8 @@ angular.module('bit')
AesCbc256_B64: 0,
AesCbc128_HmacSha256_B64: 1,
AesCbc256_HmacSha256_B64: 2,
RsaOaep_Sha256_B64: 3
Rsa2048_OaepSha256_B64: 3,
Rsa2048_OaepSha1_B64: 4
},
orgUserType: {
owner: 0,

22
src/app/services/cryptoService.js
View File

@ -293,10 +293,10 @@ angular
}
var encryptedBytes = publicKey.encrypt(plainValue, 'RSA-OAEP', {
md: forge.md.sha256.create()
md: forge.md.sha1.create()
});
return constants.encType.RsaOaep_Sha256_B64 + '.' + forge.util.encode64(encryptedBytes);
return constants.encType.Rsa2048_OaepSha1_B64 + '.' + forge.util.encode64(encryptedBytes);
};
_service.decrypt = function (encValue, key, outputEncoding) {
@ -388,7 +388,7 @@ angular
encPiece;
if (headerPieces.length === 1) {
encType = constants.encType.RsaOaep_Sha256_B64;
encType = constants.encType.Rsa2048_OaepSha256_B64;
encPiece = headerPieces[0];
}
else if (headerPieces.length === 2) {
@ -401,13 +401,21 @@ angular
}
}
if (encType !== constants.encType.RsaOaep_Sha256_B64) {
return null;
var ctBytes = forge.util.decode64(encPiece);
var md;
if (encType === constants.encType.Rsa2048_OaepSha256_B64) {
md = forge.md.sha256.create();
}
else if (encType === constants.encType.Rsa2048_OaepSha1_B64) {
md = forge.md.sha1.create();
}
else {
throw 'encType unavailable.';
}
var ctBytes = forge.util.decode64(encPiece);
var decBytes = privateKey.decrypt(ctBytes, 'RSA-OAEP', {
md: forge.md.sha256.create()
md: md
});
return decBytes;