This subsection describes functions implementing RSA-SSA signature scheme with appendix, featured in [PKCS 1.2.1].
The full list of these functions is given in Table “Intel IPP RSA-based Signature Scheme Functions”.
| Function Base Name | Operation |
|---|---|
| RSASSASign | Carries out the RSASSA-PSS signature generation scheme. |
| RSASSASign_MD5 | MD5-based helper of the RSASSA-PSS signature generation scheme. |
| RSASSASign_SHA1 | SHA-1-based helper of the RSASSA-PSS signature generation scheme. |
| RSASSASign_SHA224 | SHA-224-based helper of the RSASSA-PSS signature generation scheme. |
| RSASSASign_SHA256 | SHA-256-based helper of the RSASSA-PSS signature generation scheme. |
| RSASSASign_SHA384 | SHA-384-based helper of the RSASSA-PSS signature generation scheme. |
| RSASSASign_SHA512 | SHA-512-based helper of the RSASSA-PSS signature generation scheme. |
| RSASSAVerify | Carries out the RSASSA-PSS signature verification scheme. |
| RSASSAVerify_MD5 | MD5 based helper of the RSASSA-PSS signature verification scheme. |
| RSASSAVerify_SHA1 | SHA-1-based helper of the RSASSA-PSS signature verification scheme. |
| RSASSAVerify_SHA224 | SHA-224-based helper of the RSASSA-PSS signature verification scheme. |
| RSASSAVerify_SHA256 | SHA-256-based helper of the RSASSA-PSS signature verification scheme. |
| RSASSAVerify_SHA384 | SHA-384-based helper of the RSASSA-PSS signature verification scheme. |
| RSASSAVerify_SHA512 | SHA-512-based helper of the RSASSA-PSS signature verification scheme. |
To invoke a function that carries out RSA-SSA scheme, the IppsRSAState context must be initialized (by the RSAInit function) with a proper value of the flag parameter:
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