| OID | Name | Description |
| 1.2.840.113549.1.1 |
pkcs-1 |
PKCS#1 (Public-Key Cryptography Standards #1) |
| 1.2.840.113549.1.1.1 |
rsaEncryption, rsaEncryptionAlgorithm, kt-rsa, pk-rsa, RSAEncryption, RsaEncryption |
Rivest, Shamir and Adleman (RSA) encryption (and signing) |
| 1.2.840.113549.1.7.1 |
data, id-data, ct-Data |
Rivest, Shamir and Adleman (RSA) applied over the PKCS#7 ASN.1 Data type |
| 1.2.840.113549.1.7.2 |
signedData, id-signedData, id-signed-data, signed-data, ct-SignedData |
Rivest, Shamir and Adleman (RSA) applied over the PKCS#7 ASN.1 SignedData type |
| 1.2.840.113549.1.7.3 |
envelopedData, id-envelopedData, enveloped-data, id-enveloped-data, ct-EnvelopedData |
Rivest, Shamir and Adleman (RSA) applied over the PKCS#7 ASN.1 EnvelopedData type |
| 1.2.840.113549.1.9.3 |
contentType, id-contentType, pkcs-9-at-contentType, aa-contentType |
Content type |
| 1.2.840.113549.1.9.4 |
messageDigest, id-messageDigest, pkcs-9-at-messageDigest, aa-messageDigest |
Message digest |
| 1.2.840.113549.1.1.5 |
sha1-with-rsa-signature, sha1WithRSAEncryption, Sha1WithRSAEncryption, sha1WithRSAEncryptionAlgorithm, sa-rsaWithSHA1, sha-1WithRSAEncryption |
Rivest, Shamir and Adleman (RSA) with Secure Hash Algorithm (SHA-1) signature |
| 1.2.840.113549.1.7.5 |
digestedData, id-digestedData, digested-data, id-digested-data, ct-DigestedData |
Rivest, Shamir and Adleman (RSA) applied over the PKCS#7 ASN.1 DigestedData type |
| 1.2.840.113549.1.1.6 |
rsaOAEPEncryptionSET |
Rivest, Shamir and Adleman (RSA) Optimal Asymmetric Encryption Padding (OAEP) encryption set |
| 1.2.840.113549.1.9 |
pkcs-9, id-pkcs-9, pkcs9 |
PKCS#9 (Public-Key Cryptography Standards - 9) |