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92926ff4dc
Add a simple helper to convert from PK sigalg to PSA algorithm. This is handy when calling mbedtls_pk_can_do_psa() knowing the PK sigalg and the used MD type. This is being added in a separate file because it's meant to be consumed by both ssl and x509 modules. It was not added to tf-psa-crypto because this is only needed on the mbedtls repo and doing so reduce interdependencies between the repos. Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
24 lines
743 B
C
24 lines
743 B
C
#include "mbedtls/pk.h"
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#include "psa/crypto.h"
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#ifndef MBEDTLS_UTILS_H
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#define MBEDTLS_UTILS_H
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/* Return the PSA algorithm associated to the given combination of "sigalg" and "hash_alg". */
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static inline int mbedtls_psa_alg_from_pk_sigalg(mbedtls_pk_sigalg_t sigalg,
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psa_algorithm_t hash_alg)
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{
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switch (sigalg) {
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case MBEDTLS_PK_SIGALG_RSA_PKCS1V15:
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return PSA_ALG_RSA_PKCS1V15_SIGN(hash_alg);
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case MBEDTLS_PK_SIGALG_RSA_PSS:
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return PSA_ALG_RSA_PSS(hash_alg);
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case MBEDTLS_PK_SIGALG_ECDSA:
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return MBEDTLS_PK_ALG_ECDSA(hash_alg);
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default:
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return MBEDTLS_PK_SIGALG_NONE;
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}
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}
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#endif /* MBEDTLS_UTILS_H */
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