Semiconductor integrated circuit and information processing apparatus
First Claim
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1. A semiconductor integrated circuit comprising:
- encrypting means for generating encrypted data by encrypting data to be stored in an external memory disposed outside the semiconductor integrated circuit;
write means for writing the encrypted data into the external memory;
readout means for reading out the encrypted data from the external memory; and
decrypting means for decrypting the readout encrypted data.
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Abstract
A semiconductor integrated circuit includes an encryption unit for generating encrypted data by encrypting data to be stored in an external memory disposed outside the semiconductor integrated circuit, a write unit for writing the encrypted data into the external memory, a reading unit for reading out the encrypted data from the external memory, and a decryption unit for decrypting the readout encrypted data.
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Citations
18 Claims
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1. A semiconductor integrated circuit comprising:
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encrypting means for generating encrypted data by encrypting data to be stored in an external memory disposed outside the semiconductor integrated circuit;
write means for writing the encrypted data into the external memory;
readout means for reading out the encrypted data from the external memory; and
decrypting means for decrypting the readout encrypted data. - View Dependent Claims (2, 3, 4, 5)
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6. An information processing apparatus comprising:
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a semiconductor integrated circuit; and
an external memory disposed outside the semiconductor integrated circuit, wherein the semiconductor integrated circuit includes, encrypting means for generating encrypted data by encrypting data to be stored in an external memory;
write means for writing the encrypted data into the external memory;
readout means for reading out the encrypted data from the external memory; and
decrypting means for decrypting the readout encrypted data. - View Dependent Claims (7, 8, 9, 10)
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11. A semiconductor integrated circuit comprising:
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readout means for reading out encrypted data from an external memory disposed outside the semiconductor integrated circuit, the external memory storing encrypted data generated by encrypting data to be stored in the external memory; and
decrypting means for decrypting the readout encrypted data. - View Dependent Claims (12)
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13. An information processing apparatus comprising:
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a semiconductor integrated circuit; and
an external memory disposed outside the semiconductor integrated circuit, wherein the semiconductor integrated circuit includes, readout means for reading out encrypted data from an external memory disposed outside the semiconductor integrated circuit, the external memory storing encrypted data generated by encrypting data to be stored in the external memory; and
decrypting means for decrypting the readout encrypted data. - View Dependent Claims (14)
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15. A semiconductor integrated circuit comprising:
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an encryption unit for generating encrypted data by encrypting data to be stored in an external memory disposed outside the semiconductor integrated circuit;
a write unit for writing the encrypted data into the external memory;
a readout unit for reading out the encrypted data from the external memory; and
a decryption unit for decrypting the readout encrypted data.
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16. An information processing apparatus comprising:
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a semiconductor integrated circuit; and
an external memory disposed outside the semiconductor integrated circuit, wherein the semiconductor integrated circuit includes, an encryption unit for generating encrypted data by encrypting data to be stored in an external memory;
a write unit for writing the encrypted data into the external memory;
a readout unit for reading out the encrypted data from the external memory; and
a decryption unit for decrypting the readout encrypted data.
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17. A semiconductor integrated circuit comprising:
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a readout unit for reading out encrypted data from an external memory disposed outside the semiconductor integrated circuit, the external memory storing encrypted data generated by encrypting data to be stored in the external memory; and
a decryption unit for decrypting the readout encrypted data.
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18. An information processing apparatus comprising:
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a semiconductor integrated circuit; and
an external memory disposed outside the semiconductor integrated circuit, wherein the semiconductor integrated circuit includes, a readout unit for reading out encrypted data from an external memory disposed outside the semiconductor integrated circuit, the external memory storing encrypted data generated by encrypting data to be stored in the external memory; and
a decryption unit for decryption the readout encrypted data.
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Specification