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Add mbedtls_md_clone()

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Manuel Pégourié-Gonnard 2015-07-06 16:06:02 +02:00
parent 16d412f465
commit 052a6c9cfe
4 changed files with 86 additions and 0 deletions
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17
include/mbedtls/md.h
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@ -163,6 +163,23 @@ int mbedtls_md_init_ctx( mbedtls_md_context_t *ctx, const mbedtls_md_info_t *md_
*/
int mbedtls_md_setup( mbedtls_md_context_t *ctx, const mbedtls_md_info_t *md_info, int hmac );
/**
* \brief Clone the state of an MD context
*
* \note The two contexts must have been setup to the same type
* (cloning from SHA-256 to SHA-512 make no sense).
*
* \warning Only clones the MD state, not the HMAC state! (for now)
*
* \param dst The destination context
* \param src The context to be cloned
*
* \return \c 0 on success,
* \c MBEDTLS_ERR_MD_BAD_INPUT_DATA on parameter failure.
*/
int mbedtls_md_clone( mbedtls_md_context_t *dst,
const mbedtls_md_context_t *src );
/**
* \brief Returns the size of the message digest output.
*