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| EVP_SIGNATURE-RSA(7ossl) | OpenSSL | EVP_SIGNATURE-RSA(7ossl) |
NAME
EVP_SIGNATURE-RSA - The EVP_PKEY RSA signature implementationDESCRIPTION
Support for computing RSA signatures. See EVP_PKEY-RSA(7) for information related to RSA keys.Signature Parameters
The following signature parameters can be set using EVP_PKEY_CTX_set_params(). This may be called after EVP_PKEY_sign_init() or EVP_PKEY_verify_init(), and before calling EVP_PKEY_sign() or EVP_PKEY_verify().- "digest" (OSSL_SIGNATURE_PARAM_DIGEST) <UTF8 string>
- "properties" (OSSL_SIGNATURE_PARAM_PROPERTIES) <UTF8 string>
- These common parameters are described in provider-signature(7).
- "pad-mode" (OSSL_SIGNATURE_PARAM_PAD_MODE) <UTF8 string>
- The type of padding to be used. Its value can be one of the following:
- "none" (OSSL_PKEY_RSA_PAD_MODE_NONE)
- "pkcs1" (OSSL_PKEY_RSA_PAD_MODE_PKCSV15)
- "x931" (OSSL_PKEY_RSA_PAD_MODE_X931)
- "pss" (OSSL_PKEY_RSA_PAD_MODE_PSS)
- "mgf1-digest" (OSSL_SIGNATURE_PARAM_MGF1_DIGEST) <UTF8 string>
- The digest algorithm name to use for the maskGenAlgorithm used by "pss" mode.
- "mgf1-properties" (OSSL_SIGNATURE_PARAM_MGF1_PROPERTIES) <UTF8 string>
- Sets the name of the property query associated with the "mgf1-digest" algorithm. NULL is used if this optional value is not set.
- "pss-saltlen" (OSSL_SIGNATURE_PARAM_PSS_SALTLEN) <UTF8 string>
- Set or get the "pss" mode minimum salt length. The value can either be a string value representing a number or one of the following:
- "digest" (OSSL_PKEY_RSA_PSS_SALT_LEN_DIGEST)
- Use the same length as the digest size.
- "max" (OSSL_PKEY_RSA_PSS_SALT_LEN_MAX)
- Use the maximum salt length.
- "auto" (OSSL_PKEY_RSA_PSS_SALT_LEN_AUTO)
- Auto detect the salt length.
The following signature parameters can be retrieved using EVP_PKEY_CTX_get_params().
- "algorithm-id" (OSSL_SIGNATURE_PARAM_ALGORITHM_ID) <octet string>
- This common parameter is described in provider-signature(7).
- "digest" (OSSL_SIGNATURE_PARAM_DIGEST) <UTF8 string>
- "pad-mode" (OSSL_SIGNATURE_PARAM_PAD_MODE) <UTF8 string>
- "mgf1-digest" (OSSL_SIGNATURE_PARAM_MGF1_DIGEST) <UTF8 string>
- These parameters are as described above.
SEE ALSO
EVP_PKEY_CTX_set_params(3), EVP_PKEY_sign(3), EVP_PKEY_verify(3), provider-signature(7),COPYRIGHT
Copyright 2020-2021 The OpenSSL Project Authors. All Rights Reserved.Licensed under the Apache License 2.0 (the "License"). You may not use this file except in compliance with the License. You can obtain a copy in the file LICENSE in the source distribution or at <https://www.openssl.org/source/license.html>.
| 2022-05-03 | 3.0.3 |
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